using UnityEngine;
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using UnityEditor;
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namespace PigeonCoopToolkit.Effects.Trails.Editor
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{
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public class TrailPreviewUtillity : EditorWindow
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{
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public TrailRenderer_Base Trail;
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void Update()
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{
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if (Trail == null || Trail.TrailData == null || Selection.activeGameObject != Trail.gameObject)
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{
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Close();
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return;
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}
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Repaint();
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}
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void OnGUI()
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{
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if (Trail == null || Trail.TrailData == null)
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{
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return;
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}
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GUIStyle blackBG = new GUIStyle();
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blackBG.normal.background = EditorGUIUtility.whiteTexture;
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blackBG.normal.textColor = Color.white;
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Color revertTo = GUI.color;
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float highPoint = 0;
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for (int i = 0; i < 100; i++)
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{
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float s = (Trail.TrailData.UsingSimpleSize ? Mathf.Lerp(Trail.TrailData.SimpleSizeOverLifeStart, Trail.TrailData.SimpleSizeOverLifeEnd, (float)i / (float)100) : Trail.TrailData.SizeOverLife.Evaluate((float)i / (float)100));
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if (highPoint < s)
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highPoint = s;
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}
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GUI.color = new Color(0.3f,0.3f,0.3f,1);
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GUILayout.BeginArea(new Rect(0, 0, position.width, position.height), blackBG);
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float xPos = 0;
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float increment = 101;
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float modulo = 303;
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while (xPos * increment < position.width)
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{
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xPos++;
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DrawLine(Vector2.right * (xPos * increment), Vector2.right * (xPos * increment) + Vector2.up * position.height, xPos * increment % modulo == 0 ? new Color(1, 1, 1, 0.1f) : new Color(1, 1, 1, 0.025f), 1);
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}
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DrawLine(Vector2.up * position.height / 2, Vector2.right * position.width + Vector2.up * position.height / 2, new Color(1, 1, 1, 0.1f), 1);
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GL.PushMatrix();
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GL.LoadPixelMatrix(-0.5f, 0.5f, 0.5f, -0.5f);
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if (Trail.TrailData.TrailMaterial != null)
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Trail.TrailData.TrailMaterial.SetPass(0);
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GL.Begin(GL.TRIANGLE_STRIP);
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InsertTriangle(0, 1);
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for (int i = 0; i < 100; i++)
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{
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InsertTriangle((float)i / (float)100, highPoint * 2);
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}
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GL.End();
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GL.PopMatrix();
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GUILayout.EndArea();
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if (Trail.TrailData.TrailMaterial == null)
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{
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GUILayout.BeginVertical();
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GUILayout.BeginHorizontal();
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GUILayout.FlexibleSpace();
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GUI.color = new Color(0, 0, 0, 0.15f);
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GUILayout.BeginVertical();
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GUILayout.FlexibleSpace();
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GUILayout.BeginVertical(blackBG);
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GUI.color = Color.white;
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GUILayout.Label("Material is NULL", EditorStyles.whiteMiniLabel);
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GUILayout.EndVertical();
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GUILayout.FlexibleSpace();
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GUILayout.EndVertical();
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GUILayout.FlexibleSpace();
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GUILayout.EndHorizontal();
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GUILayout.EndVertical();
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}
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else
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{
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GUILayout.BeginVertical();
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GUILayout.FlexibleSpace();
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GUILayout.BeginHorizontal();
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GUI.color = new Color(0, 0, 0, 0.15f);
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GUILayout.BeginVertical(blackBG);
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GUI.color = Color.white;
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GUILayout.Label("Start", EditorStyles.whiteMiniLabel);
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GUILayout.EndVertical();
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GUILayout.FlexibleSpace();
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GUI.color = new Color(0, 0, 0, 0.15f);
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GUILayout.BeginVertical(blackBG);
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GUI.color = Color.white;
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GUILayout.Label("End", EditorStyles.whiteMiniLabel);
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GUILayout.EndVertical();
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GUILayout.EndHorizontal();
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GUILayout.EndVertical();
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}
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GUI.color = revertTo;
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}
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void InsertTriangle(float t, float scaler)
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{
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if(scaler <= 0)
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return;
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Color c = (Trail.TrailData.UsingSimpleColor ?
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Color.Lerp(Trail.TrailData.SimpleColorOverLifeStart, Trail.TrailData.SimpleColorOverLifeEnd, t) :
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Trail.TrailData.ColorOverLife.Evaluate(t));
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float s = (Trail.TrailData.UsingSimpleSize ? Mathf.Lerp(Trail.TrailData.SimpleSizeOverLifeStart, Trail.TrailData.SimpleSizeOverLifeEnd, t) : Trail.TrailData.SizeOverLife.Evaluate(t)) / (scaler);
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GL.Color(c);
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GL.Vertex3(t, 0.5f + s, 0);
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GL.MultiTexCoord(0, Trail.TrailData.MaterialTileLength > 0 ? new Vector3((t * position.width) / (300 * Trail.TrailData.MaterialTileLength), 0, 0) : new Vector3(t, 0, 0));
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GL.Vertex3(t, 0.5f - s, 0);
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GL.MultiTexCoord(0, Trail.TrailData.MaterialTileLength > 0 ? new Vector3((t * position.width) / (300 * Trail.TrailData.MaterialTileLength), 1, 0) : new Vector3(t, 1, 0));
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}
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public static void DrawLine(Vector2 start, Vector2 end, Color color, float width)
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{
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if (Event.current == null)
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return;
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if (Event.current.type != EventType.Repaint)
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return;
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CreateMaterial();
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lineMaterial.SetPass(0);
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Vector3 startPt;
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Vector3 endPt;
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if (width == 1)
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{
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GL.Begin(GL.LINES);
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GL.Color(color);
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startPt = new Vector3(start.x, start.y, 0);
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endPt = new Vector3(end.x, end.y, 0);
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GL.Vertex(startPt);
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GL.Vertex(endPt);
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}
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else
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{
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GL.Begin(GL.QUADS);
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GL.Color(color);
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startPt = new Vector3(end.y, start.x, 0);
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endPt = new Vector3(start.y, end.x, 0);
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Vector3 perpendicular = (startPt - endPt).normalized * width;
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Vector3 v1 = new Vector3(start.x, start.y, 0);
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Vector3 v2 = new Vector3(end.x, end.y, 0);
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GL.Vertex(v1 - perpendicular);
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GL.Vertex(v1 + perpendicular);
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GL.Vertex(v2 + perpendicular);
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GL.Vertex(v2 - perpendicular);
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}
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GL.End();
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}
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public static void CreateMaterial()
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{
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if (lineMaterial != null)
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return;
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lineMaterial = new Material(Shader.Find("Particles/Alpha Blended"));
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lineMaterial.hideFlags = HideFlags.HideAndDontSave;
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lineMaterial.shader.hideFlags = HideFlags.HideAndDontSave;
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}
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public static Material lineMaterial = null;
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}
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}
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/*
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using UnityEngine;
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using UnityEditor;
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namespace PigeonCoopToolkit.Effects.Trails.Editor
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{
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public class TrailPreviewUtillity : EditorWindow
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{
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public PCTrailRendererData Data;
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void OnGUI()
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{
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if(Data == null)
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{
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Close();
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return;
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}
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DrawLine(Vector2.zero, Vector2.right + Vector2.up,Color.red,1,Data.TrailMaterial);
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}
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public static void DrawLine(Vector2 start, Vector2 end, Color color, float width, Material m)
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{
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if (Event.current == null)
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return;
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if (Event.current.type != EventType.repaint)
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return;
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m.SetPass(0);
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Vector3 startPt;
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Vector3 endPt;
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if (width == 1)
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{
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GL.Begin(GL.LINES);
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GL.Color(color);
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startPt = new Vector3(start.x, start.y, 0);
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endPt = new Vector3(end.x, end.y, 0);
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GL.Vertex(startPt);
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GL.Vertex(endPt);
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}
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else
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{
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GL.Begin(GL.QUADS);
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GL.Color(color);
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startPt = new Vector3(end.y, start.x, 0);
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endPt = new Vector3(start.y, end.x, 0);
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Vector3 perpendicular = (startPt - endPt).normalized * width;
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Vector3 v1 = new Vector3(start.x, start.y, 0);
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Vector3 v2 = new Vector3(end.x, end.y, 0);
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GL.Vertex(v1 - perpendicular);
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GL.Vertex(v1 + perpendicular);
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GL.Vertex(v2 + perpendicular);
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GL.Vertex(v2 - perpendicular);
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}
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GL.End();
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}
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}
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}
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*/
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