59 lines
2.3 KiB
C#
59 lines
2.3 KiB
C#
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/// Credit Titinious (https://github.com/Titinious)
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/// Sourced from - https://github.com/Titinious/CurlyUI
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using UnityEditor;
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namespace UnityEngine.UI.Extensions
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{
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[CustomEditor(typeof(CUIBezierCurve))]
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[CanEditMultipleObjects]
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public class CUIBezierCurveEditor : Editor
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{
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public override void OnInspectorGUI()
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{
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DrawDefaultInspector();
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}
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protected void OnSceneGUI()
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{
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CUIBezierCurve script = (CUIBezierCurve)this.target;
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if (script.ControlPoints != null)
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{
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Vector3[] controlPoints = script.ControlPoints;
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Transform handleTransform = script.transform;
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Quaternion handleRotation = script.transform.rotation;
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for (int p = 0; p < CUIBezierCurve.CubicBezierCurvePtNum; p++)
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{
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EditorGUI.BeginChangeCheck();
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Vector3 newPt = Handles.DoPositionHandle(handleTransform.TransformPoint(controlPoints[p]), handleRotation);
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if (EditorGUI.EndChangeCheck())
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{
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Undo.RecordObject(script, "Move Point");
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EditorUtility.SetDirty(script);
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controlPoints[p] = handleTransform.InverseTransformPoint(newPt);
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script.Refresh();
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}
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}
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Handles.color = Color.gray;
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Handles.DrawLine(handleTransform.TransformPoint(controlPoints[0]), handleTransform.TransformPoint(controlPoints[1]));
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Handles.DrawLine(handleTransform.TransformPoint(controlPoints[1]), handleTransform.TransformPoint(controlPoints[2]));
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Handles.DrawLine(handleTransform.TransformPoint(controlPoints[2]), handleTransform.TransformPoint(controlPoints[3]));
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int sampleSize = 10;
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Handles.color = Color.white;
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for (int s = 0; s < sampleSize; s++)
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{
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Handles.DrawLine(handleTransform.TransformPoint(script.GetPoint((float)s / sampleSize)), handleTransform.TransformPoint(script.GetPoint((float)(s + 1) / sampleSize)));
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}
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script.EDITOR_ControlPoints = controlPoints;
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}
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}
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}
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}
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