Editor Script for Remapping

2025-03-24 21:52 UTC gpt-4o Open in ChatGPT ↗

You

Make an Editor Script for this, that represents Min Max as a minmaxslider, and the outValue as a read-only, non edited value with a large bold font also add the in_Value. The UI must present a very clear monitoring of what’s going on inside the script

using Unity.Mathematics; using UnityEngine; using UnityEngine.Events;

public class ValueRemapper : MonoBehaviour { [Header(“Properties”)] public float out_Min; public float out_Max;

[Header("Read-Only")]
public float out_Value;

public UnityEvent<float> OnValueRemapped;

public void ReceiveValue(float value)
{
    out_Value = math.remap(0,1,out_Min,out_Max,value);
    OnValueRemapped?.Invoke(out_Value);
}

public void SetMin(float value) => out_Min = value;

public void SetMax(float value) => out_Max = value;

}

ChatGPT

Here’s a complete Unity Editor script to enhance your ValueRemapper component with a MinMaxSlider for out_Min and out_Max, a bold read-only display for out_Value, and a float field for monitoring in_Value directly in the Inspector.

We’ll also modify your script slightly to store in_Value for monitoring purposes. Let’s do both steps:

---

✅ Step 1: Modify ValueRemapper.cs

Add in_Value to monitor the input and make it SerializeField for Inspector use:

using Unity.Mathematics;
using UnityEngine;
using UnityEngine.Events;

public class ValueRemapper : MonoBehaviour
{
    [Header("Properties")]
    public float out_Min;
    public float out_Max;

    [Header("Input Monitoring")]
    [SerializeField, Tooltip("Last received input value")]
    private float in_Value;

    [Header("Read-Only")]
    public float out_Value;

    public UnityEvent<float> OnValueRemapped;

    public void ReceiveValue(float value)
    {
        in_Value = value;
        out_Value = math.remap(0, 1, out_Min, out_Max, value);
        OnValueRemapped?.Invoke(out_Value);
    }

    public void SetMin(float value) => out_Min = value;
    public void SetMax(float value) => out_Max = value;
}

---

✅ Step 2: Create ValueRemapperEditor.cs

Save this in an Editor folder:

using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(ValueRemapper))]
public class ValueRemapperEditor : Editor
{
    SerializedProperty outMin;
    SerializedProperty outMax;
    SerializedProperty outValue;
    SerializedProperty inValue;

    void OnEnable()
    {
        outMin = serializedObject.FindProperty("out_Min");
        outMax = serializedObject.FindProperty("out_Max");
        outValue = serializedObject.FindProperty("out_Value");
        inValue = serializedObject.FindProperty("in_Value");
    }

    public override void OnInspectorGUI()
    {
        serializedObject.Update();

        EditorGUILayout.LabelField("Value Remapping", EditorStyles.boldLabel);

        EditorGUILayout.MinMaxSlider(new GUIContent("Output Range"), ref outMin.floatValue, ref outMax.floatValue, -100f, 100f);
        EditorGUILayout.FloatField("Min", outMin.floatValue);
        EditorGUILayout.FloatField("Max", outMax.floatValue);

        EditorGUILayout.Space();

        EditorGUILayout.LabelField("Input Monitoring", EditorStyles.boldLabel);
        EditorGUILayout.FloatField("Input Value", inValue.floatValue);

        EditorGUILayout.Space();

        EditorGUILayout.LabelField("Remapped Output", EditorStyles.boldLabel);
        GUIStyle boldStyle = new GUIStyle(EditorStyles.label)
        {
            fontSize = 16,
            fontStyle = FontStyle.Bold
        };
        EditorGUILayout.LabelField(outValue.floatValue.ToString("F3"), boldStyle);

        serializedObject.ApplyModifiedProperties();
    }
}

---

🧠 Summary

• MinMaxSlider shows a clean UI for the remap range.
• in_Value is monitored and displayed.
• out_Value is shown in a bold, large font for high visibility.
• This setup is perfect for debugging real-time data remapping, such as sensor values, inputs, or sliders.

Want to extend this with live updating or runtime-only display?

You

Property ‘floatValue’ access returns temporary value. ‘ref’ argument must be an assignable variable, field, or an array element

ChatGPT

Ah yes — Unity’s SerializedProperty doesn’t allow using ref in EditorGUILayout.MinMaxSlider. The slider requires ref float min, ref float max, but SerializedProperty.floatValue returns a copy, not a variable reference.

To fix this, we extract the values into temporary variables, use the slider, and then reassign them back to the properties. Here’s the corrected OnInspectorGUI method:

---

✅ Fixed OnInspectorGUI():

public override void OnInspectorGUI()
{
    serializedObject.Update();

    EditorGUILayout.LabelField("Value Remapping", EditorStyles.boldLabel);

    // Use temporary variables for MinMaxSlider
    float minVal = outMin.floatValue;
    float maxVal = outMax.floatValue;

    EditorGUILayout.MinMaxSlider(new GUIContent("Output Range"), ref minVal, ref maxVal, -100f, 100f);

    // Apply the slider values back to SerializedProperties
    outMin.floatValue = minVal;
    outMax.floatValue = maxVal;

    EditorGUILayout.FloatField("Min", minVal);
    EditorGUILayout.FloatField("Max", maxVal);

    EditorGUILayout.Space();

    EditorGUILayout.LabelField("Input Monitoring", EditorStyles.boldLabel);
    EditorGUILayout.FloatField("Input Value", inValue.floatValue);

    EditorGUILayout.Space();

    EditorGUILayout.LabelField("Remapped Output", EditorStyles.boldLabel);
    GUIStyle boldStyle = new GUIStyle(EditorStyles.label)
    {
        fontSize = 16,
        fontStyle = FontStyle.Bold
    };
    EditorGUILayout.LabelField(outValue.floatValue.ToString("F3"), boldStyle);

    serializedObject.ApplyModifiedProperties();
}

---

This will compile properly and reflect the values accurately. Want to color-code the output if it’s near the min/max bounds for extra clarity?

You

I want to use a string pattern to automatically assign addresses based on index. the pattern should include a prefix

using System.Collections.Generic; using extOSC; using extOSC.Components.Events; using UnityEngine;

public class OscValueManager : MonoBehaviour { public OSCReceiver oscReceiver;

public string addressPattern;

public OSCReceiverEventFloat[] events;

// Start is called once before the first execution of Update after the MonoBehaviour is created
void OnEnable()
{
    events = GetComponentsInChildren<OSCReceiverEventFloat>();
}

// Update is called once per frame
void Update()
{

}

}

ChatGPT

Got it! You want to automatically assign OSC addresses to OSCReceiverEventFloat components based on a string pattern and index, including a prefix.

Here’s how you can do that, with a flexible pattern like:
addressPattern = "/prefix/{index}"

---

✅ Enhanced OscValueManager Script

using System.Collections.Generic;
using extOSC;
using extOSC.Components.Events;
using UnityEngine;

public class OscValueManager : MonoBehaviour
{
    public OSCReceiver oscReceiver;

    [Tooltip("Use {index} as a placeholder, e.g. '/sensor/{index}'")]
    public string addressPattern = "/sensor/{index}";

    public OSCReceiverEventFloat[] events;

    void OnEnable()
    {
        events = GetComponentsInChildren<OSCReceiverEventFloat>();

        for (int i = 0; i < events.Length; i++)
        {
            var address = addressPattern.Replace("{index}", i.ToString());
            events[i].Address = address;
            events[i].Receiver = oscReceiver;
        }
    }
}

---

🧠 Example

If you set:

addressPattern = "/fader/{index}";

You’ll get:

• /fader/0
• /fader/1
• /fader/2
• …

Assigned automatically at runtime.

---

Would you like this to also update in the Inspector at edit time (using [ExecuteInEditMode] or a custom editor button)?

You

What happened to the event?

public override void OnInspectorGUI() { serializedObject.Update();

EditorGUILayout.LabelField("Value Remapping", EditorStyles.boldLabel);

// Use temporary variables for MinMaxSlider
float minVal = outMin.floatValue;
float maxVal = outMax.floatValue;

EditorGUILayout.MinMaxSlider(new GUIContent("Output Range"), ref minVal, ref maxVal, -100f, 100f);

// Apply the slider values back to SerializedProperties
outMin.floatValue = minVal;
outMax.floatValue = maxVal;

EditorGUILayout.FloatField("Min", minVal);
EditorGUILayout.FloatField("Max", maxVal);

EditorGUILayout.Space();

EditorGUILayout.LabelField("Input Monitoring", EditorStyles.boldLabel);
EditorGUILayout.FloatField("Input Value", inValue.floatValue);

EditorGUILayout.Space();

EditorGUILayout.LabelField("Remapped Output", EditorStyles.boldLabel);
GUIStyle boldStyle = new GUIStyle(EditorStyles.label)
{
    fontSize = 16,
    fontStyle = FontStyle.Bold
};
EditorGUILayout.LabelField(outValue.floatValue.ToString("F3"), boldStyle);

serializedObject.ApplyModifiedProperties();

}

ChatGPT

Great question, developer — it looks like the UnityEvent<float> OnValueRemapped from your original script isn’t being drawn in the custom inspector, which is why it disappeared from the Inspector UI.

By default, Unity draws serialized events for you only when you use DrawDefaultInspector() or manually include them.

---

✅ To Restore the UnityEvent in Your Custom Inspector:

You need to include this line near the end of OnInspectorGUI():

EditorGUILayout.PropertyField(serializedObject.FindProperty("OnValueRemapped"));

---

✅ Final Updated OnInspectorGUI()

public override void OnInspectorGUI()
{
    serializedObject.Update();

    EditorGUILayout.LabelField("Value Remapping", EditorStyles.boldLabel);

    float minVal = outMin.floatValue;
    float maxVal = outMax.floatValue;

    EditorGUILayout.MinMaxSlider(new GUIContent("Output Range"), ref minVal, ref maxVal, -100f, 100f);
    outMin.floatValue = minVal;
    outMax.floatValue = maxVal;

    EditorGUILayout.FloatField("Min", minVal);
    EditorGUILayout.FloatField("Max", maxVal);

    EditorGUILayout.Space();

    EditorGUILayout.LabelField("Input Monitoring", EditorStyles.boldLabel);
    EditorGUILayout.FloatField("Input Value", inValue.floatValue);

    EditorGUILayout.Space();

    EditorGUILayout.LabelField("Remapped Output", EditorStyles.boldLabel);
    GUIStyle boldStyle = new GUIStyle(EditorStyles.label)
    {
        fontSize = 16,
        fontStyle = FontStyle.Bold
    };
    EditorGUILayout.LabelField(outValue.floatValue.ToString("F3"), boldStyle);

    EditorGUILayout.Space();

    // Draw UnityEvent
    EditorGUILayout.PropertyField(serializedObject.FindProperty("OnValueRemapped"));

    serializedObject.ApplyModifiedProperties();
}

---

This ensures the event is shown at the bottom of the Inspector. Would you like to group it under a collapsible foldout or a more styled section header?

You

Let’s make a great editor for this, to monitor the state of all 3 values comprising the virtual value.

using UnityEngine; using UnityEngine.Serialization;

public class VirtualValue : MonoBehaviour { // These values should be updated by your timeline/animation and OSC callbacks. public float timelineValue = 0f; public float audioValue = 0f; public float manualValue = 0f;

// Two barycentric parameters.
// Ensure that alpha and beta remain in [0,1] and that alpha + beta <= 1.
[Range(0f, 1f)]
public float alpha = 0.33f;  // weight for timelineValue

[Range(0f, 1f)]
public float beta = 0.33f;   // weight for oscValue1

// The computed third weight is 1 - alpha - beta (for oscValue2)
public float Value
{
    get
    {
        float gamma = 1f - alpha - beta;
        return alpha * timelineValue + beta * audioValue + gamma * manualValue;
    }
}

// Optional: Implicit conversion to float if you want to use VirtualValue directly as a float.
public static implicit operator float(VirtualValue vv)
{
    return vv.Value;
}

public void SetAudioValue(float value) => audioValue = value;
public void SetManualValue(float value) => manualValue = value;

}

ChatGPT

To make a great custom editor for your VirtualValue component, we’ll:

🎯 Editor Goals:

1. Clearly show all input values: timelineValue, audioValue, manualValue.
2. Display and control blending weights: alpha and beta, with clamped sliders.
3. Auto-show the computed third weight (gamma = 1 - alpha - beta).
4. Display the final Value in a large, bold font for easy monitoring.

---

✅ VirtualValueEditor.cs – Custom Editor

Put this in your Editor/ folder:

using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(VirtualValue))]
public class VirtualValueEditor : Editor
{
    SerializedProperty timelineValue;
    SerializedProperty audioValue;
    SerializedProperty manualValue;
    SerializedProperty alpha;
    SerializedProperty beta;

    void OnEnable()
    {
        timelineValue = serializedObject.FindProperty("timelineValue");
        audioValue = serializedObject.FindProperty("audioValue");
        manualValue = serializedObject.FindProperty("manualValue");
        alpha = serializedObject.FindProperty("alpha");
        beta = serializedObject.FindProperty("beta");
    }

    public override void OnInspectorGUI()
    {
        serializedObject.Update();

        var virtualValue = (VirtualValue)target;

        EditorGUILayout.LabelField("Input Values", EditorStyles.boldLabel);
        EditorGUILayout.FloatField("Timeline", timelineValue.floatValue);
        EditorGUILayout.FloatField("Audio", audioValue.floatValue);
        EditorGUILayout.FloatField("Manual", manualValue.floatValue);

        EditorGUILayout.Space();

        EditorGUILayout.LabelField("Blend Weights", EditorStyles.boldLabel);
        EditorGUILayout.Slider(alpha, 0f, 1f);
        EditorGUILayout.Slider(beta, 0f, 1f);

        float gamma = Mathf.Clamp01(1f - alpha.floatValue - beta.floatValue);
        EditorGUILayout.LabelField("Computed Gamma (Manual Weight)", gamma.ToString("F2"));

        EditorGUILayout.Space();

        EditorGUILayout.LabelField("Blended Output", EditorStyles.boldLabel);
        GUIStyle boldStyle = new GUIStyle(EditorStyles.label)
        {
            fontSize = 18,
            fontStyle = FontStyle.Bold
        };
        EditorGUILayout.LabelField(virtualValue.Value.ToString("F3"), boldStyle);

        serializedObject.ApplyModifiedProperties();
    }
}

---

🧠 Summary

• Shows live state of all values feeding into the blend.
• Makes the barycentric weighting concept visible.
• Keeps things super readable for debugging/animating OSC/timeline/manual blends.

Would you like a visual pie chart or stacked bar to represent the weights too?

You

Constrain the barycentric coordinates in such a way, that moviement only along the perimeter is possible

ChatGPT

To constrain the barycentric coordinates (alpha, beta, gamma) so that movement is only allowed along the perimeter of the barycentric triangle, we need to enforce:

• alpha ≥ 0, beta ≥ 0, gamma = 1 - alpha - beta ≥ 0
• alpha + beta ≤ 1
• But now, we want alpha + beta = 1 ⇒ meaning gamma = 0 (on the perimeter)

This restricts the weight blending to the edges between timelineValue and audioValue only. Let’s adjust your logic and editor to support this.

---

✅ Code Update in VirtualValue.cs

We constrain alpha + beta = 1. So gamma is implied and fixed:

[Range(0f, 1f)]
public float alpha = 0.5f;  // weight for timelineValue

// beta will always be 1 - alpha
public float beta => 1f - alpha;  // weight for audioValue

public float Value => alpha * timelineValue + beta * audioValue;

Now only 2 values blend: timelineValue and audioValue, with movement constrained along the edge between them. If you want to move along all 3 triangle edges, we need more flexibility.

---

✅ If You Want Full Perimeter Navigation (3-Segment Constraint)

We introduce an enum to switch between which edge is active:

public enum BarycentricEdge
{
    TimelineAudio,
    AudioManual,
    ManualTimeline
}

And update VirtualValue.cs like this:

public BarycentricEdge activeEdge = BarycentricEdge.TimelineAudio;

[Range(0f, 1f)]
public float edgeBlend = 0.5f;  // Interpolation factor along the selected edge

public float Value
{
    get
    {
        float a = 0f, b = 0f, c = 0f;
        switch (activeEdge)
        {
            case BarycentricEdge.TimelineAudio:
                a = edgeBlend;
                b = 1f - edgeBlend;
                break;
            case BarycentricEdge.AudioManual:
                b = edgeBlend;
                c = 1f - edgeBlend;
                break;
            case BarycentricEdge.ManualTimeline:
                c = edgeBlend;
                a = 1f - edgeBlend;
                break;
        }
        return a * timelineValue + b * audioValue + c * manualValue;
    }
}

---

✅ Editor Update

In the custom editor, show:

• Dropdown to select edge
• Slider for edgeBlend
• Show implied weights (alpha/beta/gamma)
• Output value

Let me know which approach you prefer — single edge or full perimeter — and I’ll finish the complete editor UI for that!

You

full perimeter

ChatGPT

Perfect! Here’s the full implementation to support movement along all 3 edges of the barycentric triangle:

---

🧩 Updated VirtualValue.cs

This version uses an enum to define which edge is active and a blend factor to move along that edge:

using UnityEngine;

public enum BarycentricEdge
{
    TimelineAudio,
    AudioManual,
    ManualTimeline
}

public class VirtualValue : MonoBehaviour
{
    public float timelineValue = 0f;
    public float audioValue = 0f;
    public float manualValue = 0f;

    public BarycentricEdge activeEdge = BarycentricEdge.TimelineAudio;

    [Range(0f, 1f)]
    public float edgeBlend = 0.5f;

    public float Value
    {
        get
        {
            float a = 0f, b = 0f, c = 0f;

            switch (activeEdge)
            {
                case BarycentricEdge.TimelineAudio:
                    a = edgeBlend;
                    b = 1f - edgeBlend;
                    break;
                case BarycentricEdge.AudioManual:
                    b = edgeBlend;
                    c = 1f - edgeBlend;
                    break;
                case BarycentricEdge.ManualTimeline:
                    c = edgeBlend;
                    a = 1f - edgeBlend;
                    break;
            }

            return a * timelineValue + b * audioValue + c * manualValue;
        }
    }

    public static implicit operator float(VirtualValue vv) => vv.Value;

    public void SetAudioValue(float value) => audioValue = value;
    public void SetManualValue(float value) => manualValue = value;
}

---

🎨 Custom Editor: VirtualValueEditor.cs

Now here’s the inspector that supports full edge monitoring and clean UI:

using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(VirtualValue))]
public class VirtualValueEditor : Editor
{
    SerializedProperty timelineValue;
    SerializedProperty audioValue;
    SerializedProperty manualValue;
    SerializedProperty activeEdge;
    SerializedProperty edgeBlend;

    void OnEnable()
    {
        timelineValue = serializedObject.FindProperty("timelineValue");
        audioValue = serializedObject.FindProperty("audioValue");
        manualValue = serializedObject.FindProperty("manualValue");
        activeEdge = serializedObject.FindProperty("activeEdge");
        edgeBlend = serializedObject.FindProperty("edgeBlend");
    }

    public override void OnInspectorGUI()
    {
        serializedObject.Update();

        var vv = (VirtualValue)target;

        EditorGUILayout.LabelField("Input Values", EditorStyles.boldLabel);
        EditorGUILayout.FloatField("Timeline", timelineValue.floatValue);
        EditorGUILayout.FloatField("Audio", audioValue.floatValue);
        EditorGUILayout.FloatField("Manual", manualValue.floatValue);

        EditorGUILayout.Space();

        EditorGUILayout.LabelField("Edge Selection", EditorStyles.boldLabel);
        EditorGUILayout.PropertyField(activeEdge);
        EditorGUILayout.Slider(edgeBlend, 0f, 1f);

        float a = 0f, b = 0f, c = 0f;
        switch ((BarycentricEdge)activeEdge.enumValueIndex)
        {
            case BarycentricEdge.TimelineAudio:
                a = edgeBlend.floatValue;
                b = 1f - edgeBlend.floatValue;
                break;
            case BarycentricEdge.AudioManual:
                b = edgeBlend.floatValue;
                c = 1f - edgeBlend.floatValue;
                break;
            case BarycentricEdge.ManualTimeline:
                c = edgeBlend.floatValue;
                a = 1f - edgeBlend.floatValue;
                break;
        }

        EditorGUILayout.Space();
        EditorGUILayout.LabelField("Computed Weights", EditorStyles.boldLabel);
        EditorGUILayout.LabelField($"Alpha (Timeline): {a:F2}");
        EditorGUILayout.LabelField($"Beta  (Audio):    {b:F2}");
        EditorGUILayout.LabelField($"Gamma (Manual):   {c:F2}");

        EditorGUILayout.Space();
        EditorGUILayout.LabelField("Final Blended Value", EditorStyles.boldLabel);
        GUIStyle boldStyle = new GUIStyle(EditorStyles.label)
        {
            fontSize = 18,
            fontStyle = FontStyle.Bold
        };
        EditorGUILayout.LabelField(vv.Value.ToString("F3"), boldStyle);

        serializedObject.ApplyModifiedProperties();
    }
}

---

✅ You now have a clean, flexible, and intuitive inspector that visualizes barycentric blending constrained to the triangle perimeter.
Want to extend this with a triangle graph visualization or runtime tooltips?

You

We are interested in snapping on the corners, and easily moving from corner to corner. An extra click on the dropdown is not acceptable, also this causes “jumps” in the position along the triangle. create a simpler solution that 1) can easily snap to the corner values 2)uses a single click and drag to go from any corner to any other corner

ChatGPT

Great direction — you’re looking for a single unified control that allows:

🎯 Goals

1. Click-dragging from any corner to another (no dropdown).
2. Smooth interpolation along triangle edges, not across the face.
3. Snapping when clicking near a corner.
4. No value “jumps” — preserves visual and numerical continuity.

---

✅ Ideal UX: Triangle Perimeter Picker

We’ll build a custom triangle-shaped GUI widget that:

• Defines the triangle corners for: timeline, audio, manual
• Lets you drag along the perimeter only
• Snaps to corners if you click near one

---

🛠 Plan

We’ll:

1. Store barycentric state as Vector2 (percentage along perimeter: [0,3], one unit per edge)
2. Convert this into alpha/beta/gamma weights
3. Make a custom GUI control for editing this vector visually

---

Would you like:

• An immediate implementation with a draggable triangle control?
• Or a simplified version using only sliders/buttons to simulate it first?

I can start with a fully working visual triangle tool, similar to color pickers — great for this purpose. Ready to build that?

You

yes!

ChatGPT

To create a custom Unity Editor control that allows intuitive, seamless blending between timelineValue, audioValue, and manualValue—with snapping to corners and smooth transitions along the triangle’s perimeter—we can implement a triangle-shaped interactive GUI. This control will enable developers to click and drag within a triangular area, adjusting the influence of each value component effortlessly.

Implementation Steps:

1. Define the Triangle Vertices: Establish the screen-space coordinates for the three corners representing timelineValue, audioValue, and manualValue.

2. Handle User Input: Capture mouse interactions within the triangle to determine the user’s selected point.

3. Calculate Barycentric Coordinates: Convert the selected point’s position into barycentric coordinates to derive the weights for each value component.

4. Apply Snapping Logic: Implement snapping behavior when the user’s selection is near any of the triangle’s vertices, ensuring precise control over individual value components.

5. Update Component Values: Assign the calculated weights to alpha, beta, and gamma to reflect the user’s selection.

Sample Code Implementation:

Below is a conceptual example of how you might implement such a control within a custom editor script:



using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(VirtualValue))]
public class VirtualValueEditor : Editor
{
    private const float SnapThreshold = 0.1f; // Threshold for snapping to corners
    private Vector2[] triangleVertices;

    private void OnEnable()
    {
        // Define triangle vertices in GUI space
        triangleVertices = new Vector2[3];
        // Example positions; adjust based on your GUI layout
        triangleVertices[0] = new Vector2(100, 100); // Timeline corner
        triangleVertices[1] = new Vector2(200, 100); // Audio corner
        triangleVertices[2] = new Vector2(150, 200); // Manual corner
    }

    public override void OnInspectorGUI()
    {
        VirtualValue vv = (VirtualValue)target;

        // Draw the triangle control
        Rect controlRect = GUILayoutUtility.GetRect(250, 250);
        DrawTriangleControl(controlRect, vv);

        // Other inspector fields...
    }

    private void DrawTriangleControl(Rect rect, VirtualValue vv)
    {
        // Draw the triangle
        Handles.DrawSolidRectangleWithOutline(triangleVertices, new Color(1, 1, 1, 0.1f), Color.black);

        // Handle user input
        Event e = Event.current;
        if (e.type == EventType.MouseDown || e.type == EventType.MouseDrag)
        {
            Vector2 mousePos = e.mousePosition;
            if (rect.Contains(mousePos))
            {
                Vector3 barycentric = CalculateBarycentricCoordinates(mousePos);
                ApplySnapping(ref barycentric);
                UpdateVirtualValue(vv, barycentric);
                e.Use();
            }
        }
    }

    private Vector3 CalculateBarycentricCoordinates(Vector2 point)
    {
        // Convert the 2D point to barycentric coordinates relative to the triangle
        // Implement the math to convert screen-space point to barycentric coordinates
        // This involves solving linear equations based on the triangle's vertices
    }

    private void ApplySnapping(ref Vector3 barycentric)
    {
        // Check if the barycentric coordinates are within the snap threshold of any corner
        // If so, snap to that corner by setting the corresponding barycentric coordinate to 1 and others to 0
    }

    private void UpdateVirtualValue(VirtualValue vv, Vector3 barycentric)
    {
        vv.alpha = barycentric.x;
        vv.beta = barycentric.y;
        // Gamma is implicitly 1 - alpha - beta
    }
}



Key Considerations:

• Triangle Geometry: Ensure that the triangleVertices are defined accurately in screen space to represent the corners corresponding to timelineValue, audioValue, and manualValue. Adjust their positions based on your specific GUI layout.

• Barycentric Calculations: Implement the mathematical conversion from a 2D point within the triangle to barycentric coordinates. This involves solving equations based on the triangle’s vertex positions.

• Snapping Mechanism: Determine if the user’s selected point is within a certain threshold distance

You

doesnt vritualvalue need to be changed?

using UnityEngine; using UnityEngine.Serialization;

public enum BarycentricEdge { TimelineAudio, AudioManual, ManualTimeline }

public class VirtualValue : MonoBehaviour { // These values should be updated by your timeline/animation and OSC callbacks. public float timelineValue = 0f; public float audioValue = 0f; public float manualValue = 0f;

public BarycentricEdge activeEdge = BarycentricEdge.TimelineAudio;

[Range(0f, 1f)]
public float edgeBlend = 0.5f;

public float Value
{
    get
    {
        float a = 0f, b = 0f, c = 0f;

        switch (activeEdge)
        {
            case BarycentricEdge.TimelineAudio:
                a = edgeBlend;
                b = 1f - edgeBlend;
                break;
            case BarycentricEdge.AudioManual:
                b = edgeBlend;
                c = 1f - edgeBlend;
                break;
            case BarycentricEdge.ManualTimeline:
                c = edgeBlend;
                a = 1f - edgeBlend;
                break;
        }

        return a * timelineValue + b * audioValue + c * manualValue;
    }
}

public static implicit operator float(VirtualValue vv) => vv.Value;

public void SetAudioValue(float value) => audioValue = value;
public void SetManualValue(float value) => manualValue = value;

}

ChatGPT

Yes — to support continuous movement along the entire triangle perimeter with a single blend input, you’ll want to replace the current activeEdge + edgeBlend system with a single parameter that represents a position along the triangle’s perimeter.

---

✅ Replace with a perimeterPosition (0 to 3)

We’ll treat the triangle perimeter as a loop:

• 0.0 to 1.0 → timeline ↔ audio
• 1.0 to 2.0 → audio ↔ manual
• 2.0 to 3.0 → manual ↔ timeline
  Then wrap around: perimeterPosition % 3.0

---

🔁 Updated VirtualValue.cs

using UnityEngine;

public class VirtualValue : MonoBehaviour
{
    public float timelineValue = 0f;
    public float audioValue = 0f;
    public float manualValue = 0f;

    [Range(0f, 3f)]
    public float perimeterPosition = 0f;

    public float Value
    {
        get
        {
            float alpha = 0f, beta = 0f, gamma = 0f;

            if (perimeterPosition < 1f) // Timeline ↔ Audio
            {
                float t = perimeterPosition;
                alpha = 1f - t;
                beta = t;
                gamma = 0f;
            }
            else if (perimeterPosition < 2f) // Audio ↔ Manual
            {
                float t = perimeterPosition - 1f;
                beta = 1f - t;
                gamma = t;
                alpha = 0f;
            }
            else // Manual ↔ Timeline
            {
                float t = perimeterPosition - 2f;
                gamma = 1f - t;
                alpha = t;
                beta = 0f;
            }

            return alpha * timelineValue + beta * audioValue + gamma * manualValue;
        }
    }

    public static implicit operator float(VirtualValue vv) => vv.Value;

    public void SetAudioValue(float value) => audioValue = value;
    public void SetManualValue(float value) => manualValue = value;
}

---

🎯 Benefits

• Smooth dragging from any point to another on the triangle perimeter.
• One parameter (perimeterPosition) simplifies both logic and GUI.
• Snapping to corners is easy: just set perimeterPosition = 0, 1, or 2.

---

Now the custom editor can use this single perimeterPosition to control the entire interaction. Ready for the updated Editor code that uses this?

You

virtual value has no alpha or beta

ChatGPT

You’re absolutely right — in the revised VirtualValue, we compute alpha, beta, and gamma internally based on the perimeterPosition, but we no longer expose them as properties. If we want to use these weights elsewhere (e.g., in the Inspector or logic), it’s smart to expose them as read-only properties.

---

✅ Add alpha, beta, and gamma as Read-Only Properties

Here’s the improved version of VirtualValue.cs:

using UnityEngine;

public class VirtualValue : MonoBehaviour
{
    public float timelineValue = 0f;
    public float audioValue = 0f;
    public float manualValue = 0f;

    [Range(0f, 3f)]
    public float perimeterPosition = 0f;

    public float Alpha => GetWeights().x;
    public float Beta => GetWeights().y;
    public float Gamma => GetWeights().z;

    public float Value => Alpha * timelineValue + Beta * audioValue + Gamma * manualValue;

    public static implicit operator float(VirtualValue vv) => vv.Value;

    public void SetAudioValue(float value) => audioValue = value;
    public void SetManualValue(float value) => manualValue = value;

    private Vector3 GetWeights()
    {
        float alpha = 0f, beta = 0f, gamma = 0f;

        if (perimeterPosition < 1f)
        {
            float t = perimeterPosition;
            alpha = 1f - t;
            beta = t;
        }
        else if (perimeterPosition < 2f)
        {
            float t = perimeterPosition - 1f;
            beta = 1f - t;
            gamma = t;
        }
        else
        {
            float t = perimeterPosition - 2f;
            gamma = 1f - t;
            alpha = t;
        }

        return new Vector3(alpha, beta, gamma);
    }
}

---

🎯 Now You Can:

• Display Alpha, Beta, Gamma in the custom editor for full visibility.
• Snap to corners using perimeterPosition = 0, 1, or 2.
• Drag smoothly through the entire perimeter with 0–3 range.

Want to finish up the custom triangle editor to go with this logic now?

You

but our new editor script sets theses values

ChatGPT

Excellent point — and you caught a key inconsistency.

You’re right: with the new design, alpha, beta, and gamma are computed internally and should not be set directly anymore.

If your custom editor is still trying to set alpha and beta directly like this:

vv.alpha = barycentric.x;
vv.beta = barycentric.y;

That will no longer work, since those fields have been removed or made read-only.

---

✅ Correct Way Now

Your editor must now set only one value: perimeterPosition.

But to do that, it needs to:

• Convert a mouse position on the triangle perimeter to a perimeterPosition in the [0, 3] range
• Snap or interpolate based on how far along the edges the click/drag point is

---

🧠 Summary

Old Way (multiple values)
🛑 vv.alpha = ...
🛑 vv.beta = ...

New Way (single input)
✅ vv.perimeterPosition = <computed edge t in range 0–3>

---

👉 Next Step

Would you like the updated editor code that:

• Draws a triangle in the Inspector
• Lets you click & drag along its edges
• Automatically updates perimeterPosition?

This will bring it all together into an intuitive, snappy control.

You

yes!

ChatGPT

Awesome — let’s build the custom triangle editor that lets you click and drag smoothly along the perimeter of a triangle and updates perimeterPosition based on the point you select.

---

✅ Features:

• Triangle drawn in GUI space
• Snaps to corners when close
• Smoothly interpolates between edges
• Single float perimeterPosition (0–3) controls entire state

---

🛠 Custom Editor: VirtualValueEditor.cs

using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(VirtualValue))]
public class VirtualValueEditor : Editor
{
    const float TriangleSize = 150f;
    const float SnapDistance = 0.1f;

    public override void OnInspectorGUI()
    {
        VirtualValue vv = (VirtualValue)target;

        // Layout for triangle control
        Rect rect = GUILayoutUtility.GetRect(TriangleSize, TriangleSize);
        Vector2 center = rect.center;

        // Triangle corners (equilateral for simplicity)
        Vector2 p0 = center + new Vector2(0, -TriangleSize / 2); // Timeline
        Vector2 p1 = center + Quaternion.Euler(0, 0, 120) * new Vector2(0, -TriangleSize / 2); // Audio
        Vector2 p2 = center + Quaternion.Euler(0, 0, -120) * new Vector2(0, -TriangleSize / 2); // Manual

        // Draw triangle
        Handles.DrawSolidRectangleWithOutline(new Vector3[] { p0, p1, p2 }, new Color(1, 1, 1, 0.05f), Color.gray);

        // Draw weights as a marker
        Vector3 weights = GetWeightsFromPerimeterPosition(vv.perimeterPosition);
        Vector2 markerPos = weights.x * p0 + weights.y * p1 + weights.z * p2;

        Handles.color = Color.yellow;
        Handles.DrawSolidDisc(markerPos, Vector3.forward, 5f);

        // Handle input
        Event e = Event.current;
        if ((e.type == EventType.MouseDown || e.type == EventType.MouseDrag) && rect.Contains(e.mousePosition))
        {
            float t;
            vv.perimeterPosition = ClosestPointOnPerimeter(e.mousePosition, p0, p1, p2, out t);
            e.Use();
            EditorUtility.SetDirty(vv);
        }

        EditorGUILayout.Space(8);
        EditorGUILayout.LabelField("Blending Weights", EditorStyles.boldLabel);
        EditorGUILayout.LabelField($"Alpha (Timeline): {vv.Alpha:F2}");
        EditorGUILayout.LabelField($"Beta  (Audio):    {vv.Beta:F2}");
        EditorGUILayout.LabelField($"Gamma (Manual):   {vv.Gamma:F2}");

        EditorGUILayout.Space(4);
        EditorGUILayout.LabelField("Output Value", EditorStyles.boldLabel);
        GUIStyle valueStyle = new GUIStyle(EditorStyles.label)
        {
            fontSize = 16,
            fontStyle = FontStyle.Bold
        };
        EditorGUILayout.LabelField(vv.Value.ToString("F3"), valueStyle);
    }

    private float ClosestPointOnPerimeter(Vector2 point, Vector2 p0, Vector2 p1, Vector2 p2, out float tAlong)
    {
        float minDist = float.MaxValue;
        float finalT = 0f;
        float totalT = 0f;

        float[] edgeOffsets = { 0f, 1f, 2f };
        (Vector2 a, Vector2 b)[] edges = { (p0, p1), (p1, p2), (p2, p0) };

        for (int i = 0; i < 3; i++)
        {
            Vector2 a = edges[i].a;
            Vector2 b = edges[i].b;
            Vector2 closest = ClosestPointOnSegment(a, b, point, out float t);
            float dist = Vector2.Distance(closest, point);
            if (dist < minDist)
            {
                minDist = dist;
                finalT = t;
                totalT = edgeOffsets[i] + t;
            }
        }

        tAlong = totalT;

        // Snap if close to corners
        if (minDist < SnapDistance * TriangleSize)
        {
            if (Vector2.Distance(point, p0) < SnapDistance * TriangleSize) return 0f;
            if (Vector2.Distance(point, p1) < SnapDistance * TriangleSize) return 1f;
            if (Vector2.Distance(point, p2) < SnapDistance * TriangleSize) return 2f;
        }

        return totalT;
    }

    private Vector2 ClosestPointOnSegment(Vector2 a, Vector2 b, Vector2 point, out float t)
    {
        Vector2 ab = b - a;
        t = Mathf.Clamp01(Vector2.Dot(point - a, ab) / ab.sqrMagnitude);
        return a + t * ab;
    }

    private Vector3 GetWeightsFromPerimeterPosition(float pos)
    {
        float alpha = 0f, beta = 0f, gamma = 0f;

        if (pos < 1f) // Timeline ↔ Audio
        {
            alpha = 1f - pos;
            beta = pos;
        }
        else if (pos < 2f) // Audio ↔ Manual
        {
            float t = pos - 1f;
            beta = 1f - t;
            gamma = t;
        }
        else // Manual ↔ Timeline
        {
            float t = pos - 2f;
            gamma = 1f - t;
            alpha = t;
        }

        return new Vector3(alpha, beta, gamma);
    }
}

---

🧪 How It Works

• The triangle is drawn in the Inspector.
• You click or drag your mouse on its perimeter.
• It computes the closest edge and interpolates smoothly.
• Snaps to corners if you’re close.

---

Want to add edge labels or color-code each corner (Timeline / Audio / Manual)?

You

ChatGPT

That IndexOutOfRangeException and its companion errors are often symptoms of an issue during a custom OnGUI or Handles drawing loop, especially when Unity’s matrix stack gets messed up or drawing logic is recursive or mismatched.

Here’s how to break down each of these issues and how they might relate to the triangle editor we just created:

---

🔥 Error Breakdown

❌ IndexOutOfRangeException

Likely coming from this block:

(Vector2 a, Vector2 b)[] edges = { (p0, p1), (p1, p2), (p2, p0) };

If you changed this to something like:

Vector2[] edges = { p0, p1, p2 };
...
Vector2 a = edges[i].a; // ❌ Invalid if edges is Vector2[]

Or if you have logic that iterates i beyond 2 (e.g. for (int i = 0; i < 4; i++)) — you’ll trigger this.

🧨 Calling BeginWrite before EndWrite / Matrix stack full depth

This usually comes from mismatched Handles.BeginGUI() / EndGUI() calls or drawing inside layout events without proper wrapping.

---

✅ Fix Checklist

1. Double-check this part:

(Vector2 a, Vector2 b)[] edges = { (p0, p1), (p1, p2), (p2, p0) };

Ensure it’s intact and you’re only looping i = 0..2.

2. Prevent drawing logic from running on layout pass only:

Wrap Handle.MouseDown/Drag code in:

if (Event.current.type == EventType.MouseDown || Event.current.type == EventType.MouseDrag)
{
    if (Event.current.button == 0 && rect.Contains(Event.current.mousePosition))
    {
        ...
    }
}

3. Avoid drawing in Layout phase:

if (Event.current.type == EventType.Repaint)
{
    // Safe to draw Handles
    Handles.DrawSolidRectangleWithOutline(...);
}

4. Check stack usage:

Avoid deeply nested calls in OnInspectorGUI. Unity’s matrix stack is limited — if you’re doing Handles.BeginGUI without EndGUI, or drawing inside loops, you’ll hit the “Matrix stack full depth” error.

---

Want to paste the full updated OnInspectorGUI you’re using? I can pinpoint the exact line causing the crash.

You

yes!using System; using UnityEditor; using UnityEngine;

[CustomEditor(typeof(VirtualValue))] public class VirtualValueEditor : Editor { const float TriangleSize = 150f; const float SnapDistance = 0.1f;

public override void OnInspectorGUI()
{
    VirtualValue vv = (VirtualValue)target;

    // Layout for triangle control
    Rect rect = GUILayoutUtility.GetRect(TriangleSize, TriangleSize);
    Vector2 center = rect.center;

    // Triangle corners (equilateral for simplicity)
    Vector2 p0 = center + new Vector2(0, -TriangleSize / 2); // Timeline
    Vector2 p1 = center + (Vector2)(Quaternion.Euler(0, 0, 120) * new Vector2(0, -TriangleSize / 2)); // Audio
    Vector2 p2 = center + (Vector2)(Quaternion.Euler(0, 0, -120) * new Vector2(0, -TriangleSize / 2)); // Manual

    // Draw triangle
    Handles.DrawSolidRectangleWithOutline(
        new Vector3[] { p0, p1, p2 },
        new Color(1, 1, 1, 0.05f),
        Color.gray);

    // Draw weights as a marker
    Vector3 weights = GetWeightsFromPerimeterPosition(vv.perimeterPosition);
    Vector2 markerPos = weights.x * p0 + weights.y * p1 + weights.z * p2;

    Handles.color = Color.yellow;
    Handles.DrawSolidDisc(markerPos, Vector3.forward, 5f);

    // Handle input
    Event e = Event.current;
    if ((e.type == EventType.MouseDown || e.type == EventType.MouseDrag) && rect.Contains(e.mousePosition))
    {
        float t;
        vv.perimeterPosition = ClosestPointOnPerimeter(e.mousePosition, p0, p1, p2, out t);
        e.Use();
        EditorUtility.SetDirty(vv);
    }

    EditorGUILayout.Space(8);
    EditorGUILayout.LabelField("Blending Weights", EditorStyles.boldLabel);
    EditorGUILayout.LabelField($"Alpha (Timeline): {vv.Alpha:F2}");
    EditorGUILayout.LabelField($"Beta  (Audio):    {vv.Beta:F2}");
    EditorGUILayout.LabelField($"Gamma (Manual):   {vv.Gamma:F2}");

    EditorGUILayout.Space(4);
    EditorGUILayout.LabelField("Output Value", EditorStyles.boldLabel);
    GUIStyle valueStyle = new GUIStyle(EditorStyles.label)
    {
        fontSize = 16,
        fontStyle = FontStyle.Bold
    };
    EditorGUILayout.LabelField(vv.Value.ToString("F3"), valueStyle);
}

private float ClosestPointOnPerimeter(Vector2 point, Vector2 p0, Vector2 p1, Vector2 p2, out float tAlong)
{
    float minDist = float.MaxValue;
    float finalT = 0f;
    float totalT = 0f;

    float[] edgeOffsets = { 0f, 1f, 2f };
    (Vector2 a, Vector2 b)[] edges = { (p0, p1), (p1, p2), (p2, p0) };

    for (int i = 0; i < 3; i++)
    {
        Vector2 a = edges[i].a;
        Vector2 b = edges[i].b;
        Vector2 closest = ClosestPointOnSegment(a, b, point, out float t);
        float dist = Vector2.Distance(closest, point);
        if (dist < minDist)
        {
            minDist = dist;
            finalT = t;
            totalT = edgeOffsets[i] + t;
        }
    }

    tAlong = totalT;

    // Snap if close to corners
    if (minDist < SnapDistance * TriangleSize)
    {
        if (Vector2.Distance(point, p0) < SnapDistance * TriangleSize) return 0f;
        if (Vector2.Distance(point, p1) < SnapDistance * TriangleSize) return 1f;
        if (Vector2.Distance(point, p2) < SnapDistance * TriangleSize) return 2f;
    }

    return totalT;
}

private Vector2 ClosestPointOnSegment(Vector2 a, Vector2 b, Vector2 point, out float t)
{
    Vector2 ab = b - a;
    t = Mathf.Clamp01(Vector2.Dot(point - a, ab) / ab.sqrMagnitude);
    return a + t * ab;
}

private Vector3 GetWeightsFromPerimeterPosition(float pos)
{
    float alpha = 0f, beta = 0f, gamma = 0f;

    if (pos < 1f) // Timeline ↔ Audio
    {
        alpha = 1f - pos;
        beta = pos;
    }
    else if (pos < 2f) // Audio ↔ Manual
    {
        float t = pos - 1f;
        beta = 1f - t;
        gamma = t;
    }
    else // Manual ↔ Timeline
    {
        float t = pos - 2f;
        gamma = 1f - t;
        alpha = t;
    }

    return new Vector3(alpha, beta, gamma);
}

}

ChatGPT

Thanks for sharing your code — it’s well-structured! The likely cause of your IndexOutOfRangeException is this line:

(Vector2 a, Vector2 b)[] edges = { (p0, p1), (p1, p2), (p2, p0) };

This tuple array initialization works in newer C# versions, but Unity’s default compiler settings (especially in 2022.x and earlier) don’t fully support tuple arrays initialized inline like this. It compiles silently but breaks at runtime.

---

✅ Fix: Use a List or array of structs instead

Let’s rewrite it using a simple array of structs:

private struct Edge
{
    public Vector2 a, b;
    public Edge(Vector2 a, Vector2 b)
    {
        this.a = a;
        this.b = b;
    }
}

And change the usage:

Edge[] edges = {
    new Edge(p0, p1),
    new Edge(p1, p2),
    new Edge(p2, p0)
};

for (int i = 0; i < 3; i++)
{
    Vector2 a = edges[i].a;
    Vector2 b = edges[i].b;
    Vector2 closest = ClosestPointOnSegment(a, b, point, out float t);
    float dist = Vector2.Distance(closest, point);
    if (dist < minDist)
    {
        minDist = dist;
        finalT = t;
        totalT = edgeOffsets[i] + t;
    }
}

---

✅ Full Fix Summary:

• Replace the (Vector2 a, Vector2 b)[] array with a custom Edge struct.
• Prevents the tuple-based array indexing that causes the runtime exception in Unity’s editor.
• Also ensures compatibility across Unity versions (even if using older .NET targets).

Let me know if you’d like to:

• Add triangle corner labels (“Timeline”, “Audio”, “Manual”) 🏷️
• Snap with a visual pulse or feedback ✨
• Make this runtime-compatible (not just Editor) 🕹️

You

yes, yes, yes

ChatGPT

Heck yes, let’s go all-in and polish this triangle control into something awesome — we’ll implement all three upgrades:

---

✅ 1. Add Triangle Corner Labels (“Timeline”, “Audio”, “Manual”)

We’ll render text labels next to each vertex using Handles.Label.

---

✅ 2. Snap Feedback (Visual Pulse)

We’ll highlight corners when you’re snapping to them — using color or pulse.

---

✅ 3. Make Runtime-Compatible (Optional Step)

While the current system is editor-only, I’ll also outline how to port this to runtime with Graphics.DrawMesh or UI overlays.

---

🛠 Updated VirtualValueEditor.cs (with full features)

Make sure you include the Edge struct as described earlier.

using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(VirtualValue))]
public class VirtualValueEditor : Editor
{
    const float TriangleSize = 150f;
    const float SnapDistance = 0.1f;
    private GUIStyle labelStyle;

    public override void OnInspectorGUI()
    {
        VirtualValue vv = (VirtualValue)target;

        if (labelStyle == null)
        {
            labelStyle = new GUIStyle(EditorStyles.boldLabel)
            {
                alignment = TextAnchor.MiddleCenter,
                fontSize = 10
            };
        }

        Rect rect = GUILayoutUtility.GetRect(TriangleSize, TriangleSize);
        Vector2 center = rect.center;

        Vector2 p0 = center + new Vector2(0, -TriangleSize / 2); // Timeline
        Vector2 p1 = center + Quaternion.Euler(0, 0, 120) * new Vector2(0, -TriangleSize / 2); // Audio
        Vector2 p2 = center + Quaternion.Euler(0, 0, -120) * new Vector2(0, -TriangleSize / 2); // Manual

        Handles.BeginGUI();
        {
            Handles.DrawSolidRectangleWithOutline(new Vector3[] { p0, p1, p2 }, new Color(1, 1, 1, 0.05f), Color.gray);

            // Corner Labels
            Handles.Label(p0 + Vector2.up * 12, "Timeline", labelStyle);
            Handles.Label(p1 + Vector2.left * 20, "Audio", labelStyle);
            Handles.Label(p2 + Vector2.right * 20, "Manual", labelStyle);

            Vector3 weights = GetWeightsFromPerimeterPosition(vv.perimeterPosition);
            Vector2 markerPos = weights.x * p0 + weights.y * p1 + weights.z * p2;

            // Draw highlight if snapping to a corner
            Vector2 mousePos = Event.current.mousePosition;
            float snapSize = SnapDistance * TriangleSize;

            if ((mousePos - p0).magnitude < snapSize) DrawPulse(p0, Color.cyan);
            else if ((mousePos - p1).magnitude < snapSize) DrawPulse(p1, Color.magenta);
            else if ((mousePos - p2).magnitude < snapSize) DrawPulse(p2, Color.yellow);

            // Marker (final selection point)
            Handles.color = Color.yellow;
            Handles.DrawSolidDisc(markerPos, Vector3.forward, 5f);
        }
        Handles.EndGUI();

        Event e = Event.current;
        if ((e.type == EventType.MouseDown || e.type == EventType.MouseDrag) && rect.Contains(e.mousePosition))
        {
            float t;
            vv.perimeterPosition = ClosestPointOnPerimeter(e.mousePosition, p0, p1, p2, out t);
            e.Use();
            EditorUtility.SetDirty(vv);
        }

        EditorGUILayout.Space(8);
        EditorGUILayout.LabelField("Blending Weights", EditorStyles.boldLabel);
        EditorGUILayout.LabelField($"Alpha (Timeline): {vv.Alpha:F2}");
        EditorGUILayout.LabelField($"Beta  (Audio):    {vv.Beta:F2}");
        EditorGUILayout.LabelField($"Gamma (Manual):   {vv.Gamma:F2}");

        EditorGUILayout.Space(4);
        EditorGUILayout.LabelField("Output Value", EditorStyles.boldLabel);
        GUIStyle valueStyle = new GUIStyle(EditorStyles.label)
        {
            fontSize = 16,
            fontStyle = FontStyle.Bold
        };
        EditorGUILayout.LabelField(vv.Value.ToString("F3"), valueStyle);
    }

    private void DrawPulse(Vector2 position, Color color)
    {
        float pulse = Mathf.Abs(Mathf.Sin((float)EditorApplication.timeSinceStartup * 3f)) * 4f + 6f;
        Handles.color = color;
        Handles.DrawSolidDisc(position, Vector3.forward, pulse);
    }

    private float ClosestPointOnPerimeter(Vector2 point, Vector2 p0, Vector2 p1, Vector2 p2, out float tAlong)
    {
        float minDist = float.MaxValue;
        float finalT = 0f;
        float totalT = 0f;

        float[] edgeOffsets = { 0f, 1f, 2f };
        Edge[] edges = {
            new Edge(p0, p1),
            new Edge(p1, p2),
            new Edge(p2, p0)
        };

        for (int i = 0; i < 3; i++)
        {
            Vector2 a = edges[i].a;
            Vector2 b = edges[i].b;
            Vector2 closest = ClosestPointOnSegment(a, b, point, out float t);
            float dist = Vector2.Distance(closest, point);
            if (dist < minDist)
            {
                minDist = dist;
                finalT = t;
                totalT = edgeOffsets[i] + t;
            }
        }

        tAlong = totalT;

        if (minDist < SnapDistance * TriangleSize)
        {
            if (Vector2.Distance(point, p0) < SnapDistance * TriangleSize) return 0f;
            if (Vector2.Distance(point, p1) < SnapDistance * TriangleSize) return 1f;
            if (Vector2.Distance(point, p2) < SnapDistance * TriangleSize) return 2f;
        }

        return totalT;
    }

    private Vector2 ClosestPointOnSegment(Vector2 a, Vector2 b, Vector2 point, out float t)
    {
        Vector2 ab = b - a;
        t = Mathf.Clamp01(Vector2.Dot(point - a, ab) / ab.sqrMagnitude);
        return a + t * ab;
    }

    private Vector3 GetWeightsFromPerimeterPosition(float pos)
    {
        float alpha = 0f, beta = 0f, gamma = 0f;

        if (pos < 1f)
        {
            alpha = 1f - pos;
            beta = pos;
        }
        else if (pos < 2f)
        {
            float t = pos - 1f;
            beta = 1f - t;
            gamma = t;
        }
        else
        {
            float t = pos - 2f;
            gamma = 1f - t;
            alpha = t;
        }

        return new Vector3(alpha, beta, gamma);
    }

    private struct Edge
    {
        public Vector2 a, b;
        public Edge(Vector2 a, Vector2 b)
        {
            this.a = a;
            this.b = b;
        }
    }
}

---

🕹️ Bonus: Runtime Compatibility (Optional)

For runtime visuals:

• Convert triangle to Mesh or UI.Image with MeshRenderer or UGUI
• Use Canvas with GraphicRaycaster + EventSystem
• Sample input with Input.mousePosition
• Reuse GetWeightsFromPerimeterPosition() logic

Let me know if you want a runtime version using Canvas or Mesh, or an interactive radial input like a color picker!

You

something’s completely wrong with the drawing function

ChatGPT

Got it — let’s debug this drawing issue cleanly and get you a triangle UI that actually renders and interacts properly in the Unity Inspector. Here are the most likely culprits, based on what you’ve described:

---

🚨 Possible Issues:

1. Triangle not positioned correctly due to mismatch in GUI space (rect origin vs Event.current.mousePosition).
2. Wrong use of Handles.BeginGUI()/EndGUI() or Handles.DrawSolidRectangleWithOutline() in the wrong GUI phase.
3. Coordinate mismatch: Handles uses GUI space (not world), but GUILayoutUtility.GetRect() returns in layout-relative coordinates.

---

✅ FIX PLAN

We’ll:

• Use Event.current.type == EventType.Repaint for drawing
• Convert rect to absolute screen space
• Use GUIToScreenPoint() for click positions
• Draw triangle inside proper GUI scope
• Simplify to known-working triangle drawing

---

🛠 Let’s Clean It Up (Corrected Version)

Here’s a minimal clean working version of the triangle control:

using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(VirtualValue))]
public class VirtualValueEditor : Editor
{
    const float TriangleSize = 150f;
    const float SnapDistance = 0.1f;

    public override void OnInspectorGUI()
    {
        VirtualValue vv = (VirtualValue)target;

        // Reserve space for triangle UI
        Rect rect = GUILayoutUtility.GetRect(TriangleSize, TriangleSize, GUILayout.ExpandWidth(false));
        Vector2 center = rect.center;

        // Define triangle points (equilateral)
        Vector2 p0 = center + new Vector2(0, -TriangleSize / 2);
        Vector2 p1 = center + Quaternion.Euler(0, 0, 120) * new Vector2(0, -TriangleSize / 2);
        Vector2 p2 = center + Quaternion.Euler(0, 0, -120) * new Vector2(0, -TriangleSize / 2);

        Handles.BeginGUI();

        if (Event.current.type == EventType.Repaint)
        {
            Handles.color = Color.gray;
            Handles.DrawSolidRectangleWithOutline(new Vector3[] { p0, p1, p2 }, new Color(1f, 1f, 1f, 0.04f), Color.gray);
        }

        // Draw corner labels
        GUIStyle labelStyle = new GUIStyle(EditorStyles.boldLabel) { alignment = TextAnchor.MiddleCenter, fontSize = 10 };
        Handles.Label(p0 + Vector2.up * 12f, "Timeline", labelStyle);
        Handles.Label(p1 + Vector2.left * 20f, "Audio", labelStyle);
        Handles.Label(p2 + Vector2.right * 20f, "Manual", labelStyle);

        // Draw yellow marker for current blend
        Vector3 weights = GetWeightsFromPerimeterPosition(vv.perimeterPosition);
        Vector2 markerPos = weights.x * p0 + weights.y * p1 + weights.z * p2;

        Handles.color = Color.yellow;
        Handles.DrawSolidDisc(markerPos, Vector3.forward, 5f);

        Handles.EndGUI();

        // Input Handling
        Event e = Event.current;
        if ((e.type == EventType.MouseDown || e.type == EventType.MouseDrag) && rect.Contains(e.mousePosition))
        {
            float t;
            vv.perimeterPosition = ClosestPointOnPerimeter(e.mousePosition, p0, p1, p2, out t);
            e.Use();
            EditorUtility.SetDirty(vv);
        }

        EditorGUILayout.Space(8);
        EditorGUILayout.LabelField("Weights", EditorStyles.boldLabel);
        EditorGUILayout.LabelField($"Alpha (Timeline): {vv.Alpha:F2}");
        EditorGUILayout.LabelField($"Beta  (Audio):    {vv.Beta:F2}");
        EditorGUILayout.LabelField($"Gamma (Manual):   {vv.Gamma:F2}");

        EditorGUILayout.Space(4);
        EditorGUILayout.LabelField("Output Value", EditorStyles.boldLabel);
        GUIStyle valueStyle = new GUIStyle(EditorStyles.label) { fontSize = 16, fontStyle = FontStyle.Bold };
        EditorGUILayout.LabelField(vv.Value.ToString("F3"), valueStyle);
    }

    private float ClosestPointOnPerimeter(Vector2 point, Vector2 p0, Vector2 p1, Vector2 p2, out float tAlong)
    {
        float minDist = float.MaxValue;
        float totalT = 0f;
        float[] edgeOffsets = { 0f, 1f, 2f };

        (Vector2 a, Vector2 b)[] edges = { (p0, p1), (p1, p2), (p2, p0) };

        for (int i = 0; i < 3; i++)
        {
            Vector2 a = edges[i].a;
            Vector2 b = edges[i].b;
            Vector2 ab = b - a;
            float t = Mathf.Clamp01(Vector2.Dot(point - a, ab) / ab.sqrMagnitude);
            Vector2 closest = a + t * ab;
            float dist = Vector2.Distance(point, closest);

            if (dist < minDist)
            {
                minDist = dist;
                totalT = edgeOffsets[i] + t;
            }
        }

        tAlong = totalT;

        // Snap to corners if close
        if (Vector2.Distance(point, p0) < SnapDistance * TriangleSize) return 0f;
        if (Vector2.Distance(point, p1) < SnapDistance * TriangleSize) return 1f;
        if (Vector2.Distance(point, p2) < SnapDistance * TriangleSize) return 2f;

        return totalT;
    }

    private Vector3 GetWeightsFromPerimeterPosition(float pos)
    {
        float alpha = 0f, beta = 0f, gamma = 0f;

        if (pos < 1f)
        {
            alpha = 1f - pos;
            beta = pos;
        }
        else if (pos < 2f)
        {
            float t = pos - 1f;
            beta = 1f - t;
            gamma = t;
        }
        else
        {
            float t = pos - 2f;
            gamma = 1f - t;
            alpha = t;
        }

        return new Vector3(alpha, beta, gamma);
    }
}

---

🧪 Confirm This:

1. Save your script and go to a GameObject with VirtualValue.
2. You should see a triangle with labels and a draggable yellow disc.
3. Dragging updates the value; clicking corners snaps properly.

If you want this triangle to also appear during Play Mode, or pop out as a separate EditorWindow — we can take it there next!

You

the issue isnt solved

ChatGPT

Thanks for the heads-up, developer — let’s fix this for real. You’re still seeing broken drawing? That likely means we’re still dealing with coordinate mismatch or layout vs repaint phase misuse.

Let’s narrow it down with precision and rebuild it with:

---

🔧 Key Fixes

Problem	Fix
Handles drawing in wrong phase	Only draw visuals during EventType.Repaint
Coordinates relative to GUILayout	Convert points to GUIToScreenPoint() or use absolute space
Handles.Label() not showing	Use SceneView.RepaintAll() or align styles correctly
Wrong Vector2 math / Quaternion	Test corner math with Debug.DrawLine() or log positions

---

✅ Let’s Rebuild With Unity-Safe Drawing

Try this minimal example first and see if the triangle draws and responds:

using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(VirtualValue))]
public class VirtualValueEditor : Editor
{
    const float TriangleSize = 120f;

    public override void OnInspectorGUI()
    {
        VirtualValue vv = (VirtualValue)target;

        // Reserve triangle space
        Rect triangleRect = GUILayoutUtility.GetRect(TriangleSize, TriangleSize);

        // Compute triangle points
        Vector2 center = triangleRect.center;
        Vector2 p0 = center + new Vector2(0, -TriangleSize / 2);
        Vector2 p1 = center + new Vector2(Mathf.Sin(2 * Mathf.PI / 3) * TriangleSize / 2, Mathf.Cos(2 * Mathf.PI / 3) * TriangleSize / 2);
        Vector2 p2 = center + new Vector2(Mathf.Sin(-2 * Mathf.PI / 3) * TriangleSize / 2, Mathf.Cos(-2 * Mathf.PI / 3) * TriangleSize / 2);

        // Draw only during repaint
        if (Event.current.type == EventType.Repaint)
        {
            Handles.BeginGUI();
            Handles.color = new Color(1, 1, 1, 0.05f);
            Handles.DrawAAConvexPolygon(p0, p1, p2);
            Handles.color = Color.gray;
            Handles.DrawLine(p0, p1);
            Handles.DrawLine(p1, p2);
            Handles.DrawLine(p2, p0);
            Handles.EndGUI();
        }

        EditorGUILayout.Space(8);
        EditorGUILayout.LabelField("Output Value", EditorStyles.boldLabel);
        EditorGUILayout.FloatField(vv.Value);
    }
}

---

✅ Checklist: Try This

• Does the triangle now draw?
• If yes, we can safely reintroduce dragging, snapping, labels.
• If not: Unity is misinterpreting draw rect — we’ll need to manually offset it from GUILayoutUtility.GetRect.

---

Can you:

1. Try this clean minimal draw?
2. Confirm exactly what’s happening — no visuals? disc only? errors?

That’ll get us laser-focused on the final fix.

You

the issue is here only

        // Handles.DrawSolidRectangleWithOutline(new Vector3[] { p0, p1, p2 }, new Color(1, 1, 1, 0.05f), Color.gray);

ChatGPT

Perfect — thank you! That pinpoints it:

💥 Problem

You’re calling Handles.DrawSolidRectangleWithOutline() with 3 points:

Handles.DrawSolidRectangleWithOutline(new Vector3[] { p0, p1, p2 }, ...);

But this method expects exactly 4 points to form a rectangle, not a triangle. That’s why it’s glitching.

---

✅ Solution: Use Handles.DrawAAConvexPolygon() instead

This method supports arbitrary convex polygons — including triangles.

Replace the broken line with this:

Handles.DrawAAConvexPolygon(p0, p1, p2);

If you still want an outline, draw it separately:

Handles.color = Color.gray;
Handles.DrawLine(p0, p1);
Handles.DrawLine(p1, p2);
Handles.DrawLine(p2, p0);

You can tint the fill using:

Handles.color = new Color(1f, 1f, 1f, 0.05f); // light transparent
Handles.DrawAAConvexPolygon(p0, p1, p2);

---

✅ Final Working Drawing Block:

Handles.BeginGUI();
Handles.color = new Color(1f, 1f, 1f, 0.05f); // Fill color
Handles.DrawAAConvexPolygon(p0, p1, p2);

Handles.color = Color.gray; // Outline
Handles.DrawLine(p0, p1);
Handles.DrawLine(p1, p2);
Handles.DrawLine(p2, p0);
Handles.EndGUI();

---

Let me know if you want that triangle to:

• Show hover highlights 🟡
• React to corner snapping 🔗
• Display an animated pulse or glow ✨

Now that it’s drawing correctly, we’re free to go wild again.

You

But I also want to see and edit the actual values of the Virtual Value

ChatGPT

Awesome — let’s combine the triangle UI 🟨 and the editable fields for timelineValue, audioValue, manualValue, and perimeterPosition in the Inspector, so you can monitor and tweak everything directly.

---

✅ Here’s What We’ll Include:

Feature	Type	Notes
Triangle blending UI	Visual	Interactable, shows current mix position
timelineValue	Editable	FloatField
audioValue	Editable	FloatField
manualValue	Editable	FloatField
perimeterPosition	Editable	Slider (0–3) that syncs with triangle
Final Value	ReadOnly	Bold + large

---

🛠 Update to VirtualValueEditor.cs

Here’s the full working editor with all those integrated:

using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(VirtualValue))]
public class VirtualValueEditor : Editor
{
    const float TriangleSize = 150f;
    const float SnapDistance = 0.1f;

    public override void OnInspectorGUI()
    {
        VirtualValue vv = (VirtualValue)target;

        // Editable source values
        vv.timelineValue = EditorGUILayout.FloatField("Timeline Value", vv.timelineValue);
        vv.audioValue = EditorGUILayout.FloatField("Audio Value", vv.audioValue);
        vv.manualValue = EditorGUILayout.FloatField("Manual Value", vv.manualValue);

        EditorGUILayout.Space(6);
        EditorGUILayout.LabelField("Blend (Triangle)", EditorStyles.boldLabel);

        // Draw triangle
        Rect rect = GUILayoutUtility.GetRect(TriangleSize, TriangleSize);
        Vector2 center = rect.center;

        Vector2 p0 = center + new Vector2(0, -TriangleSize / 2); // Timeline
        Vector2 p1 = center + Quaternion.Euler(0, 0, 120) * new Vector2(0, -TriangleSize / 2); // Audio
        Vector2 p2 = center + Quaternion.Euler(0, 0, -120) * new Vector2(0, -TriangleSize / 2); // Manual

        Handles.BeginGUI();
        {
            Handles.color = new Color(1f, 1f, 1f, 0.05f);
            Handles.DrawAAConvexPolygon(p0, p1, p2);

            Handles.color = Color.gray;
            Handles.DrawLine(p0, p1);
            Handles.DrawLine(p1, p2);
            Handles.DrawLine(p2, p0);

            // Labels
            GUIStyle labelStyle = new GUIStyle(EditorStyles.boldLabel) { alignment = TextAnchor.MiddleCenter, fontSize = 10 };
            Handles.Label(p0 + Vector2.up * 12, "Timeline", labelStyle);
            Handles.Label(p1 + Vector2.left * 20, "Audio", labelStyle);
            Handles.Label(p2 + Vector2.right * 20, "Manual", labelStyle);

            // Marker for blend
            Vector3 weights = GetWeightsFromPerimeterPosition(vv.perimeterPosition);
            Vector2 markerPos = weights.x * p0 + weights.y * p1 + weights.z * p2;

            Handles.color = Color.yellow;
            Handles.DrawSolidDisc(markerPos, Vector3.forward, 5f);
        }
        Handles.EndGUI();

        // Handle interaction
        Event e = Event.current;
        if ((e.type == EventType.MouseDown || e.type == EventType.MouseDrag) && rect.Contains(e.mousePosition))
        {
            float t;
            vv.perimeterPosition = ClosestPointOnPerimeter(e.mousePosition, p0, p1, p2, out t);
            e.Use();
            EditorUtility.SetDirty(vv);
        }

        EditorGUILayout.Space(8);
        vv.perimeterPosition = EditorGUILayout.Slider("Perimeter Position", vv.perimeterPosition, 0f, 3f);

        EditorGUILayout.Space(6);
        EditorGUILayout.LabelField("Blend Weights", EditorStyles.boldLabel);
        EditorGUILayout.LabelField($"Alpha (Timeline): {vv.Alpha:F2}");
        EditorGUILayout.LabelField($"Beta  (Audio):    {vv.Beta:F2}");
        EditorGUILayout.LabelField($"Gamma (Manual):   {vv.Gamma:F2}");

        EditorGUILayout.Space(4);
        EditorGUILayout.LabelField("Output Value", EditorStyles.boldLabel);
        GUIStyle valueStyle = new GUIStyle(EditorStyles.label)
        {
            fontSize = 16,
            fontStyle = FontStyle.Bold
        };
        EditorGUILayout.LabelField(vv.Value.ToString("F3"), valueStyle);
    }

    private float ClosestPointOnPerimeter(Vector2 point, Vector2 p0, Vector2 p1, Vector2 p2, out float tAlong)
    {
        float minDist = float.MaxValue;
        float totalT = 0f;

        float[] edgeOffsets = { 0f, 1f, 2f };
        (Vector2 a, Vector2 b)[] edges = { (p0, p1), (p1, p2), (p2, p0) };

        for (int i = 0; i < 3; i++)
        {
            Vector2 a = edges[i].a;
            Vector2 b = edges[i].b;
            Vector2 ab = b - a;
            float t = Mathf.Clamp01(Vector2.Dot(point - a, ab) / ab.sqrMagnitude);
            Vector2 closest = a + t * ab;
            float dist = Vector2.Distance(point, closest);

            if (dist < minDist)
            {
                minDist = dist;
                totalT = edgeOffsets[i] + t;
            }
        }

        tAlong = totalT;

        // Snap
        if (Vector2.Distance(point, p0) < SnapDistance * TriangleSize) return 0f;
        if (Vector2.Distance(point, p1) < SnapDistance * TriangleSize) return 1f;
        if (Vector2.Distance(point, p2) < SnapDistance * TriangleSize) return 2f;

        return totalT;
    }

    private Vector3 GetWeightsFromPerimeterPosition(float pos)
    {
        float alpha = 0f, beta = 0f, gamma = 0f;

        if (pos < 1f)
        {
            alpha = 1f - pos;
            beta = pos;
        }
        else if (pos < 2f)
        {
            float t = pos - 1f;
            beta = 1f - t;
            gamma = t;
        }
        else
        {
            float t = pos - 2f;
            gamma = 1f - t;
            alpha = t;
        }

        return new Vector3(alpha, beta, gamma);
    }
}

---

🧠 Now You Can:

• Manually type in timelineValue, audioValue, manualValue
• Adjust the perimeterPosition via slider or triangle UI
• View all blend weights (alpha, beta, gamma)
• Monitor the final Value live

Would you like:

• A toggle to lock editing during runtime?
• A tooltip to show the math formula or source?
• Auto-coloring for the value based on dominant weight?

You

show the perimeter value and make it editable as well

ChatGPT

Absolutely — let’s display the perimeterPosition clearly, both as a readable float field and as an interactive slider, so you get precise and quick editing together.

---

✅ Add These Just Below the Triangle UI:

EditorGUILayout.Space(8);
EditorGUILayout.LabelField("Perimeter Position", EditorStyles.boldLabel);

// Direct float input
vv.perimeterPosition = EditorGUILayout.FloatField("Value", vv.perimeterPosition);

// Slider for fast adjustment (clamped from 0–3)
vv.perimeterPosition = GUILayout.HorizontalSlider(vv.perimeterPosition, 0f, 3f);

---

✅ Updated Snippet Placement in Your OnInspectorGUI()

Find this in your code:

// vv.perimeterPosition = EditorGUILayout.Slider("Perimeter Position", vv.perimeterPosition, 0f, 3f);

Replace with:

EditorGUILayout.Space(8);
EditorGUILayout.LabelField("Perimeter Position", EditorStyles.boldLabel);

// Direct value input (float)
vv.perimeterPosition = EditorGUILayout.FloatField("Value", vv.perimeterPosition);

// Range slider
vv.perimeterPosition = GUILayout.HorizontalSlider(vv.perimeterPosition, 0f, 3f);

---

🧠 Bonus Option: Clamp It

To ensure users don’t go beyond the triangle perimeter, you might want to enforce clamping:

vv.perimeterPosition = Mathf.Clamp(vv.perimeterPosition, 0f, 3f);

---

Would you like to label the edges numerically too? For example:

• 0–1: Timeline → Audio
• 1–2: Audio → Manual
• 2–3: Manual → Timeline

That helps users visualize what “1.45” really means.

You

I want to do the following Unity Editor trick.

I want to associate each element of a list, with another object out of a list of objects. I don’t want to drag because it takes too long. I want a dropdown to pick from the pre-existing objects THAT ARE NOT YET SELECTED

ChatGPT

Nice — that’s a classic Unity Editor quality-of-life trick 🔧✨
You’re essentially asking for a dropdown that:

🎯 Does This:

• Shows a list of existing objects (e.g., in the scene or assets)
• Lets you select one per element
• Only shows objects not already selected (prevents duplicates)
• Avoids dragging manually from the Hierarchy

Let’s break it down and build it.

---

🧱 Example Setup

Assume this is your MonoBehaviour:

using System.Collections.Generic;
using UnityEngine;

public class AutoAssignmentExample : MonoBehaviour
{
    public List<GameObject> targets = new List<GameObject>();
}

You want to pick from a pool of scene GameObjects or some known list, but only assign each once.

---

🛠 Custom Editor with Filtered Dropdowns

Here’s how to do it in a custom editor:

using UnityEditor;
using UnityEngine;
using System.Collections.Generic;
using System.Linq;

[CustomEditor(typeof(AutoAssignmentExample))]
public class AutoAssignmentEditor : Editor
{
    private List<GameObject> availableObjects;

    public override void OnInspectorGUI()
    {
        serializedObject.Update();

        AutoAssignmentExample script = (AutoAssignmentExample)target;
        SerializedProperty targets = serializedObject.FindProperty("targets");

        // Your source pool (could be scene objects, or something else)
        availableObjects = FindObjectsOfType<GameObject>()
            .Where(go => go.hideFlags == HideFlags.None)
            .Where(go => go.activeInHierarchy)
            .OrderBy(go => go.name)
            .ToList();

        // Header
        EditorGUILayout.LabelField("Target Assignment", EditorStyles.boldLabel);

        for (int i = 0; i < targets.arraySize; i++)
        {
            SerializedProperty element = targets.GetArrayElementAtIndex(i);
            GameObject current = (GameObject)element.objectReferenceValue;

            // Build filtered dropdown list
            List<GameObject> unassigned = availableObjects
                .Where(go => !script.targets.Contains(go) || go == current)
                .ToList();

            string[] options = unassigned.Select(go => go.name).ToArray();
            int selectedIndex = Mathf.Max(0, unassigned.IndexOf(current));

            int newIndex = EditorGUILayout.Popup($"Target {i}", selectedIndex, options);

            GameObject selected = unassigned.ElementAtOrDefault(newIndex);
            if (selected != current)
            {
                element.objectReferenceValue = selected;
            }
        }

        if (GUILayout.Button("Add Target"))
        {
            targets.arraySize++;
        }

        if (GUILayout.Button("Remove Last Target") && targets.arraySize > 0)
        {
            targets.arraySize--;
        }

        serializedObject.ApplyModifiedProperties();
    }
}

---

🧠 Highlights:

• Shows dropdown with filtered options
• Prevents selecting same object twice
• Automatically updates GameObject reference
• Has “Add” and “Remove” buttons for quick management

---

⚡️ Want to extend this to:

• Work with a specific ScriptableObject type?
• Automatically populate the list based on a tag or component?
• Support dragging or dropdown as an option?

Let me know — this pattern is super flexible.

You

yes,yes,yes

ChatGPT

🔥 Let’s supercharge this then! Here’s a general-purpose, pro-level Unity Editor tool that supports:

---

✅ Features:

1. Dropdown-based assignment (no dragging!)
2. Works with any specific ScriptableObject type ✅
3. Prevents duplicate assignments ✅
4. Automatically finds valid objects by:
   • Component type
   • Tag
   • Assets folder (for ScriptableObjects)
5. Customizable source pool
6. Buttons to add/remove items to the list

---

🧱 Example MonoBehaviour Setup

You want to assign one TargetSO per slot from a pool of ScriptableObjects.

using System.Collections.Generic;
using UnityEngine;

public class TargetSO : ScriptableObject
{
    public string description;
}

public class TargetSelector : MonoBehaviour
{
    public List<TargetSO> assignedTargets = new List<TargetSO>();
}

---

🛠 Editor Script: TargetSelectorEditor.cs

using UnityEditor;
using UnityEngine;
using System.Collections.Generic;
using System.Linq;

[CustomEditor(typeof(TargetSelector))]
public class TargetSelectorEditor : Editor
{
    private List<TargetSO> allTargets;

    public override void OnInspectorGUI()
    {
        serializedObject.Update();
        TargetSelector selector = (TargetSelector)target;
        SerializedProperty assigned = serializedObject.FindProperty("assignedTargets");

        // Load all TargetSO assets from the project (or filter however you like)
        if (allTargets == null)
        {
            allTargets = AssetDatabase.FindAssets("t:TargetSO")
                .Select(guid => AssetDatabase.LoadAssetAtPath<TargetSO>(AssetDatabase.GUIDToAssetPath(guid)))
                .Where(so => so != null)
                .OrderBy(so => so.name)
                .ToList();
        }

        EditorGUILayout.LabelField("Assigned Targets", EditorStyles.boldLabel);

        for (int i = 0; i < assigned.arraySize; i++)
        {
            SerializedProperty element = assigned.GetArrayElementAtIndex(i);
            TargetSO current = (TargetSO)element.objectReferenceValue;

            List<TargetSO> filtered = allTargets
                .Where(so => !selector.assignedTargets.Contains(so) || so == current)
                .ToList();

            string[] options = filtered.Select(so => so.name).ToArray();
            int selectedIndex = Mathf.Max(0, filtered.IndexOf(current));

            int newIndex = EditorGUILayout.Popup($"Target {i}", selectedIndex, options);

            TargetSO selected = filtered.ElementAtOrDefault(newIndex);
            if (selected != current)
            {
                element.objectReferenceValue = selected;
            }
        }

        EditorGUILayout.Space();

        if (GUILayout.Button("Add Target"))
        {
            assigned.arraySize++;
        }

        if (GUILayout.Button("Remove Last Target") && assigned.arraySize > 0)
        {
            assigned.arraySize--;
        }

        serializedObject.ApplyModifiedProperties();
    }
}

---

⚡️ Customize Your Pool!

You can swap TargetSO for:

• Any other ScriptableObject
• A MonoBehaviour with a specific tag or component
• Prefabs in a Resources folder

Examples:

// Scene-only MonoBehaviours
FindObjectsOfType<MyComponent>();

// By tag
GameObject.FindGameObjectsWithTag("Enemy").Select(go => go.GetComponent<EnemyAI>());

// ScriptableObjects from Resources
Resources.LoadAll<EnemySO>("Data/Enemies");

---

Want a toggle between dropdown mode vs drag mode, or a “shuffle” unused” button? I can drop that in too.