262 lines
8.7 KiB
C#
262 lines
8.7 KiB
C#
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using UnityEditor.U2D.Common;
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using UnityEngine;
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namespace UnityEditor.U2D.Animation
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{
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internal class DrawingUtility
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{
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public static readonly Color kSpriteBorderColor = new Color(0.25f, 0.5f, 1f, 0.75f);
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public static void DrawLine(Vector3 p1, Vector3 p2, Vector3 normal, float width)
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{
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DrawLine(p1, p2, normal, width, width);
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}
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public static void DrawLine(Vector3 p1, Vector3 p2, Vector3 normal, float widthP1, float widthP2)
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{
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DrawLine(p1, p2, normal, widthP1, widthP2, Handles.color);
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}
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public static void DrawLine(Vector3 p1, Vector3 p2, Vector3 normal, float widthP1, float widthP2, Color color)
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{
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if (Event.current.type != EventType.Repaint)
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return;
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Vector3 up = Vector3.Cross(normal, p2 - p1).normalized;
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Shader.SetGlobalFloat("_HandleSize", 1);
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InternalEditorBridge.ApplyWireMaterial();
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GL.PushMatrix();
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GL.MultMatrix(Handles.matrix);
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GL.Begin(4);
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GL.Color(color);
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GL.Vertex(p1 + up * widthP1 * 0.5f);
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GL.Vertex(p1 - up * widthP1 * 0.5f);
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GL.Vertex(p2 - up * widthP2 * 0.5f);
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GL.Vertex(p1 + up * widthP1 * 0.5f);
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GL.Vertex(p2 - up * widthP2 * 0.5f);
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GL.Vertex(p2 + up * widthP2 * 0.5f);
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GL.End();
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GL.PopMatrix();
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}
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public static void BeginLines(Color color)
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{
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InternalEditorBridge.ApplyWireMaterial();
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GL.PushMatrix();
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GL.MultMatrix(Handles.matrix);
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GL.Begin(GL.LINES);
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GL.Color(color);
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}
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public static void BeginSolidLines()
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{
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InternalEditorBridge.ApplyWireMaterial();
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GL.PushMatrix();
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GL.MultMatrix(Handles.matrix);
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GL.Begin(GL.TRIANGLES);
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}
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public static void EndLines()
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{
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GL.End();
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GL.PopMatrix();
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}
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public static void DrawLine(Vector3 p1, Vector3 p2)
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{
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GL.Vertex(p1);
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GL.Vertex(p2);
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}
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public static void DrawSolidLine(float width, Vector3 p1, Vector3 p2)
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{
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DrawSolidLine(p1, p2, Vector3.forward, width, width);
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}
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public static void DrawSolidLine(Vector3 p1, Vector3 p2, Vector3 normal, float widthP1, float widthP2)
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{
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GL.Color(Handles.color);
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Vector3 right = Vector3.Cross(normal, p2 - p1).normalized;
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GL.Vertex(p1 + right * widthP1 * 0.5f);
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GL.Vertex(p1 - right * widthP1 * 0.5f);
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GL.Vertex(p2 - right * widthP2 * 0.5f);
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GL.Vertex(p1 + right * widthP1 * 0.5f);
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GL.Vertex(p2 - right * widthP2 * 0.5f);
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GL.Vertex(p2 + right * widthP2 * 0.5f);
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}
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public static void DrawBox(Rect position)
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{
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Vector3[] points = new Vector3[5];
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int i = 0;
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points[i++] = new Vector3(position.xMin, position.yMin, 0f);
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points[i++] = new Vector3(position.xMax, position.yMin, 0f);
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points[i++] = new Vector3(position.xMax, position.yMax, 0f);
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points[i++] = new Vector3(position.xMin, position.yMax, 0f);
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DrawLine(points[0], points[1]);
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DrawLine(points[1], points[2]);
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DrawLine(points[2], points[3]);
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DrawLine(points[3], points[0]);
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}
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public static void DrawMesh(Mesh mesh, Material material, Matrix4x4 matrix)
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{
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Debug.Assert(mesh != null);
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Debug.Assert(material != null);
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if (Event.current.type != EventType.Repaint)
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return;
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material.SetFloat("_AdjustLinearForGamma", PlayerSettings.colorSpace == ColorSpace.Linear ? 1.0f : 0.0f);
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material.SetPass(0);
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Graphics.DrawMeshNow(mesh, Handles.matrix * matrix);
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}
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public static void DrawGUIStyleCap(int controlID, Vector3 position, Quaternion rotation, float size, GUIStyle guiStyle)
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{
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if (Event.current.type != EventType.Repaint)
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return;
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if (Camera.current && Vector3.Dot(position - Camera.current.transform.position, Camera.current.transform.forward) < 0f)
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return;
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Handles.BeginGUI();
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guiStyle.Draw(GetGUIStyleRect(guiStyle, position), GUIContent.none, controlID);
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Handles.EndGUI();
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}
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private static Rect GetGUIStyleRect(GUIStyle style, Vector3 position)
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{
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Vector2 vector = HandleUtility.WorldToGUIPoint(position);
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float fixedWidth = style.fixedWidth;
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float fixedHeight = style.fixedHeight;
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return new Rect(vector.x - fixedWidth / 2f, vector.y - fixedHeight / 2f, fixedWidth, fixedHeight);
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}
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public static void DrawRect(Rect rect, Vector3 position, Quaternion rotation, Color color, float rectAlpha, float outlineAlpha)
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{
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if (Event.current.type != EventType.Repaint)
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return;
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Vector3[] corners = new Vector3[4];
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for (int i = 0; i < 4; i++)
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{
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Vector3 point = GetLocalRectPoint(rect, i);
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corners[i] = rotation * point + position;
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}
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Vector3[] points = new Vector3[]
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{
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corners[0],
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corners[1],
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corners[2],
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corners[3],
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corners[0]
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};
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Color l_color = Handles.color;
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Handles.color = color;
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Vector2 offset = new Vector2(1f, 1f);
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if (!Camera.current)
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{
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offset.y *= -1;
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}
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Handles.DrawSolidRectangleWithOutline(points, new Color(1f, 1f, 1f, rectAlpha), new Color(1f, 1f, 1f, outlineAlpha));
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Handles.color = l_color;
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}
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private static Vector2 GetLocalRectPoint(Rect rect, int index)
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{
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switch (index)
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{
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case (0): return new Vector2(rect.xMin, rect.yMax);
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case (1): return new Vector2(rect.xMax, rect.yMax);
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case (2): return new Vector2(rect.xMax, rect.yMin);
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case (3): return new Vector2(rect.xMin, rect.yMin);
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}
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return Vector3.zero;
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}
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private static void SetDiscSectionPoints(Vector3[] dest, int count, Vector3 normal, Vector3 from, float angle)
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{
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from.Normalize();
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Quaternion rotation = Quaternion.AngleAxis(angle / (float)(count - 1), normal);
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Vector3 vector = from;
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for (int i = 0; i < count; i++)
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{
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dest[i] = vector;
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vector = rotation * vector;
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}
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}
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static Vector3[] s_array;
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public static void DrawSolidArc(Vector3 center, Vector3 normal, Vector3 from, float angle, float radius, int numSamples = 60)
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{
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if (Event.current.type != EventType.Repaint)
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return;
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numSamples = Mathf.Clamp(numSamples, 3, 60);
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if (s_array == null)
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s_array = new Vector3[60];
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Color color = Handles.color;
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SetDiscSectionPoints(s_array, numSamples, normal, from, angle);
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InternalEditorBridge.ApplyWireMaterial();
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GL.PushMatrix();
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GL.MultMatrix(Handles.matrix);
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GL.Begin(GL.TRIANGLES);
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for (int i = 1; i < numSamples; i++)
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{
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GL.Color(color);
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GL.Vertex(center);
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GL.Vertex(center + s_array[i - 1] * radius);
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GL.Vertex(center + s_array[i] * radius);
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}
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GL.End();
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GL.PopMatrix();
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}
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public static void DrawSolidArc(Vector3 center, Vector3 normal, Vector3 from, float angle, float radius, float outlineScale, int numSamples = 60)
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{
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if (Event.current.type != EventType.Repaint)
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return;
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numSamples = Mathf.Clamp(numSamples, 3, 60);
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if(s_array == null)
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s_array = new Vector3[60];
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Color color = Handles.color;
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SetDiscSectionPoints(s_array, numSamples, normal, from, angle);
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InternalEditorBridge.ApplyWireMaterial();
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GL.PushMatrix();
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GL.MultMatrix(Handles.matrix);
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GL.Begin(4);
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for (int i = 1; i < numSamples; i++)
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{
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GL.Color(color);
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GL.Vertex(center + s_array[i - 1] * radius * outlineScale);
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GL.Vertex(center + s_array[i - 1] * radius);
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GL.Vertex(center + s_array[i] * radius);
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GL.Vertex(center + s_array[i - 1] * radius * outlineScale);
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GL.Vertex(center + s_array[i] * radius);
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GL.Vertex(center + s_array[i] * radius * outlineScale);
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}
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GL.End();
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GL.PopMatrix();
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}
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}
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}
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