Simon Jackson
parent
bddf5ad8b0
commit
82585a7cb2
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@ -17,5 +17,5 @@ namespace UnityEngine.UI.Extensions
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base.RaycastControlsGUI();
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base.serializedObject.ApplyModifiedProperties();
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}
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}
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}
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}
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@ -0,0 +1,142 @@
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/// Credit John Hattan (http://thecodezone.com/)
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/// Sourced from - https://bitbucket.org/UnityUIExtensions/unity-ui-extensions/issues/117/uigridrenderer
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using System.Collections.Generic;
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namespace UnityEngine.UI.Extensions
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{
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[AddComponentMenu("UI/Extensions/Primitives/UIGridRenderer")]
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public class UIGridRenderer : UILineRenderer
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{
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[SerializeField]
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private int m_gridWidth = 10;
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[SerializeField]
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private int m_gridHeight = 10;
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/// <summary>
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/// Width of the grid in Cells.
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/// </summary>
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public int GridWidth
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{
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get
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{
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return m_gridWidth;
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}
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set
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{
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if (m_gridWidth == value)
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return;
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m_gridWidth = value;
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SetAllDirty();
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}
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}
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/// <summary>
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/// Height of the Grid in cells.
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/// </summary>
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public int GridHeight
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{
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get
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{
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return m_gridHeight;
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}
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set
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{
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if (m_gridHeight == value)
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return;
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m_gridHeight = value;
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SetAllDirty();
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}
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}
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protected override void OnPopulateMesh(VertexHelper vh)
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{
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relativeSize = true;
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int ArraySize = (GridHeight * 3) + 1;
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if(GridHeight % 2 == 0)
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++ArraySize; // needs one more line
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ArraySize += (GridWidth * 3) + 1;
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m_points = new Vector2[ArraySize];
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int Index = 0;
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for(int i = 0; i < GridHeight; ++i)
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{
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float xFrom = 1;
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float xTo = 0;
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if(i % 2 == 0)
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{
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// reach left instead
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xFrom = 0;
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xTo = 1;
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}
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float y = ((float)i) / GridHeight;
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m_points[Index].x = xFrom;
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m_points[Index].y = y;
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++Index;
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m_points[Index].x = xTo;
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m_points[Index].y = y;
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++Index;
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m_points[Index].x = xTo;
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m_points[Index].y = (float)(i + 1) / GridHeight;
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++Index;
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}
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if(GridHeight % 2 == 0)
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{
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// two lines to get to 0, 1
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m_points[Index].x = 1;
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m_points[Index].y = 1;
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++Index;
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}
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m_points[Index].x = 0;
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m_points[Index].y = 1;
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++Index;
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// line is now at 0,1, so we can draw the columns
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for(int i = 0; i < GridWidth; ++i)
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{
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float yFrom = 1;
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float yTo = 0;
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if(i % 2 == 0)
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{
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// reach up instead
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yFrom = 0;
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yTo = 1;
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}
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float x = ((float)i) / GridWidth;
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m_points[Index].x = x;
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m_points[Index].y = yFrom;
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++Index;
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m_points[Index].x = x;
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m_points[Index].y = yTo;
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++Index;
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m_points[Index].x = (float)(i + 1) / GridWidth;
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m_points[Index].y = yTo;
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++Index;
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}
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if(GridWidth % 2 == 0)
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{
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// one more line to get to 1, 1
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m_points[Index].x = 1;
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m_points[Index].y = 1;
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}
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else
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{
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// one more line to get to 1, 0
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m_points[Index].x = 1;
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m_points[Index].y = 0;
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}
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base.OnPopulateMesh(vh);
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}
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}
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}
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@ -0,0 +1,12 @@
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fileFormatVersion: 2
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guid: 35ff6e8800018654d9558db07c4cd080
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timeCreated: 1487335372
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licenseType: Free
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MonoImporter:
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serializedVersion: 2
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defaultReferences: []
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executionOrder: 0
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icon: {instanceID: 0}
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userData:
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assetBundleName:
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assetBundleVariant:
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@ -6,288 +6,291 @@ using System.Collections.Generic;
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namespace UnityEngine.UI.Extensions
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{
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[AddComponentMenu("UI/Extensions/Primitives/UILineRenderer")]
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public class UILineRenderer : UIPrimitiveBase
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{
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private enum SegmentType
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{
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Start,
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[AddComponentMenu("UI/Extensions/Primitives/UILineRenderer")]
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public class UILineRenderer : UIPrimitiveBase
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{
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private enum SegmentType
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{
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Start,
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Middle,
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End,
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}
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}
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public enum JoinType
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{
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Bevel,
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public enum JoinType
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{
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Bevel,
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Miter
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}
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public enum BezierType
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{
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None,
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}
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public enum BezierType
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{
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None,
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Quick,
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Basic,
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Improved,
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}
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}
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private const float MIN_MITER_JOIN = 15 * Mathf.Deg2Rad;
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private const float MIN_MITER_JOIN = 15 * Mathf.Deg2Rad;
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// A bevel 'nice' join displaces the vertices of the line segment instead of simply rendering a
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// quad to connect the endpoints. This improves the look of textured and transparent lines, since
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// there is no overlapping.
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// A bevel 'nice' join displaces the vertices of the line segment instead of simply rendering a
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// quad to connect the endpoints. This improves the look of textured and transparent lines, since
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// there is no overlapping.
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private const float MIN_BEVEL_NICE_JOIN = 30 * Mathf.Deg2Rad;
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private static readonly Vector2 UV_TOP_LEFT = Vector2.zero;
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private static readonly Vector2 UV_BOTTOM_LEFT = new Vector2(0, 1);
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private static readonly Vector2 UV_TOP_CENTER = new Vector2(0.5f, 0);
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private static readonly Vector2 UV_BOTTOM_CENTER = new Vector2(0.5f, 1);
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private static readonly Vector2 UV_TOP_RIGHT = new Vector2(1, 0);
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private static readonly Vector2 UV_BOTTOM_RIGHT = new Vector2(1, 1);
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private static readonly Vector2 UV_TOP_LEFT = Vector2.zero;
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private static readonly Vector2 UV_BOTTOM_LEFT = new Vector2(0, 1);
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private static readonly Vector2 UV_TOP_CENTER = new Vector2(0.5f, 0);
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private static readonly Vector2 UV_BOTTOM_CENTER = new Vector2(0.5f, 1);
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private static readonly Vector2 UV_TOP_RIGHT = new Vector2(1, 0);
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private static readonly Vector2 UV_BOTTOM_RIGHT = new Vector2(1, 1);
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private static readonly Vector2[] startUvs = new[] { UV_TOP_LEFT, UV_BOTTOM_LEFT, UV_BOTTOM_CENTER, UV_TOP_CENTER };
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private static readonly Vector2[] middleUvs = new[] { UV_TOP_CENTER, UV_BOTTOM_CENTER, UV_BOTTOM_CENTER, UV_TOP_CENTER };
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private static readonly Vector2[] endUvs = new[] { UV_TOP_CENTER, UV_BOTTOM_CENTER, UV_BOTTOM_RIGHT, UV_TOP_RIGHT };
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private static readonly Vector2[] startUvs = new[] { UV_TOP_LEFT, UV_BOTTOM_LEFT, UV_BOTTOM_CENTER, UV_TOP_CENTER };
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private static readonly Vector2[] middleUvs = new[] { UV_TOP_CENTER, UV_BOTTOM_CENTER, UV_BOTTOM_CENTER, UV_TOP_CENTER };
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private static readonly Vector2[] endUvs = new[] { UV_TOP_CENTER, UV_BOTTOM_CENTER, UV_BOTTOM_RIGHT, UV_TOP_RIGHT };
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[SerializeField]
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private Rect m_UVRect = new Rect(0f, 0f, 1f, 1f);
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[SerializeField]
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private Vector2[] m_points;
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[SerializeField]
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private Rect m_UVRect = new Rect(0f, 0f, 1f, 1f);
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[SerializeField]
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protected Vector2[] m_points;
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public float LineThickness = 2;
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public bool UseMargins;
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public Vector2 Margin;
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public bool relativeSize;
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public float LineThickness = 2;
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public bool UseMargins;
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public Vector2 Margin;
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public bool relativeSize;
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public bool LineList = false;
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public bool LineCaps = false;
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public JoinType LineJoins = JoinType.Bevel;
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public bool LineList = false;
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public bool LineCaps = false;
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public JoinType LineJoins = JoinType.Bevel;
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public BezierType BezierMode = BezierType.None;
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public int BezierSegmentsPerCurve = 10;
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public BezierType BezierMode = BezierType.None;
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public int BezierSegmentsPerCurve = 10;
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/// <summary>
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/// UV rectangle used by the texture.
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/// </summary>
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/// <summary>
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/// UV rectangle used by the texture.
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/// </summary>
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public Rect uvRect
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{
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get
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{
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return m_UVRect;
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}
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set
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{
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if (m_UVRect == value)
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return;
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m_UVRect = value;
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SetVerticesDirty();
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}
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}
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{
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get
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{
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return m_UVRect;
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}
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/// <summary>
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/// Points to be drawn in the line.
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/// </summary>
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set
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{
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if (m_UVRect == value)
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return;
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m_UVRect = value;
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SetVerticesDirty();
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}
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}
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/// <summary>
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/// Points to be drawn in the line.
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/// </summary>
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public Vector2[] Points
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{
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get
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{
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return m_points;
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}
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set
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{
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if (m_points == value)
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return;
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m_points = value;
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SetAllDirty();
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}
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}
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{
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get
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{
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return m_points;
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}
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protected override void OnPopulateMesh(VertexHelper vh)
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{
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if (m_points == null)
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return;
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Vector2[] pointsToDraw = m_points;
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//If Bezier is desired, pick the implementation
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set
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{
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if (m_points == value)
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return;
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m_points = value;
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SetAllDirty();
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}
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}
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protected override void OnPopulateMesh(VertexHelper vh)
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{
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if (m_points == null)
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return;
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Vector2[] pointsToDraw = m_points;
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//If Bezier is desired, pick the implementation
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if (BezierMode != BezierType.None && m_points.Length > 3)
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{
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BezierPath bezierPath = new BezierPath();
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{
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BezierPath bezierPath = new BezierPath();
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bezierPath.SetControlPoints(pointsToDraw);
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bezierPath.SegmentsPerCurve = BezierSegmentsPerCurve;
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List<Vector2> drawingPoints;
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switch (BezierMode)
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{
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case BezierType.Basic:
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bezierPath.SetControlPoints(pointsToDraw);
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bezierPath.SegmentsPerCurve = BezierSegmentsPerCurve;
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List<Vector2> drawingPoints;
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switch (BezierMode)
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{
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case BezierType.Basic:
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drawingPoints = bezierPath.GetDrawingPoints0();
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break;
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case BezierType.Improved:
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break;
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case BezierType.Improved:
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drawingPoints = bezierPath.GetDrawingPoints1();
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break;
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default:
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break;
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default:
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drawingPoints = bezierPath.GetDrawingPoints2();
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break;
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}
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pointsToDraw = drawingPoints.ToArray();
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}
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break;
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}
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var sizeX = rectTransform.rect.width;
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var sizeY = rectTransform.rect.height;
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var offsetX = -rectTransform.pivot.x * rectTransform.rect.width;
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var offsetY = -rectTransform.pivot.y * rectTransform.rect.height;
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pointsToDraw = drawingPoints.ToArray();
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}
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// don't want to scale based on the size of the rect, so this is switchable now
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var sizeX = rectTransform.rect.width;
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var sizeY = rectTransform.rect.height;
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var offsetX = -rectTransform.pivot.x * rectTransform.rect.width;
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var offsetY = -rectTransform.pivot.y * rectTransform.rect.height;
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// don't want to scale based on the size of the rect, so this is switchable now
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if (!relativeSize)
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{
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sizeX = 1;
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sizeY = 1;
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}
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{
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sizeX = 1;
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sizeY = 1;
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}
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if (UseMargins)
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{
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sizeX -= Margin.x;
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sizeY -= Margin.y;
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offsetX += Margin.x / 2f;
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offsetY += Margin.y / 2f;
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}
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if (UseMargins)
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{
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sizeX -= Margin.x;
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sizeY -= Margin.y;
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offsetX += Margin.x / 2f;
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offsetY += Margin.y / 2f;
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}
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vh.Clear();
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vh.Clear();
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// Generate the quads that make up the wide line
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// Generate the quads that make up the wide line
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var segments = new List<UIVertex[]>();
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if (LineList)
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{
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for (var i = 1; i < pointsToDraw.Length; i += 2)
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{
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var start = pointsToDraw[i - 1];
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var end = pointsToDraw[i];
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start = new Vector2(start.x * sizeX + offsetX, start.y * sizeY + offsetY);
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end = new Vector2(end.x * sizeX + offsetX, end.y * sizeY + offsetY);
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if (LineList)
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{
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for (var i = 1; i < pointsToDraw.Length; i += 2)
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{
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var start = pointsToDraw[i - 1];
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var end = pointsToDraw[i];
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start = new Vector2(start.x * sizeX + offsetX, start.y * sizeY + offsetY);
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end = new Vector2(end.x * sizeX + offsetX, end.y * sizeY + offsetY);
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if (LineCaps)
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{
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segments.Add(CreateLineCap(start, end, SegmentType.Start));
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}
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if (LineCaps)
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{
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segments.Add(CreateLineCap(start, end, SegmentType.Start));
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}
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segments.Add(CreateLineSegment(start, end, SegmentType.Middle));
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segments.Add(CreateLineSegment(start, end, SegmentType.Middle));
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if (LineCaps)
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{
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segments.Add(CreateLineCap(start, end, SegmentType.End));
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}
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}
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}
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else
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{
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for (var i = 1; i < pointsToDraw.Length; i++)
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{
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var start = pointsToDraw[i - 1];
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var end = pointsToDraw[i];
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start = new Vector2(start.x * sizeX + offsetX, start.y * sizeY + offsetY);
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end = new Vector2(end.x * sizeX + offsetX, end.y * sizeY + offsetY);
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if (LineCaps)
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{
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segments.Add(CreateLineCap(start, end, SegmentType.End));
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}
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}
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}
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else
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{
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for (var i = 1; i < pointsToDraw.Length; i++)
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{
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var start = pointsToDraw[i - 1];
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var end = pointsToDraw[i];
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start = new Vector2(start.x * sizeX + offsetX, start.y * sizeY + offsetY);
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end = new Vector2(end.x * sizeX + offsetX, end.y * sizeY + offsetY);
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if (LineCaps && i == 1)
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{
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segments.Add(CreateLineCap(start, end, SegmentType.Start));
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}
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if (LineCaps && i == 1)
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{
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segments.Add(CreateLineCap(start, end, SegmentType.Start));
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}
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segments.Add(CreateLineSegment(start, end, SegmentType.Middle));
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segments.Add(CreateLineSegment(start, end, SegmentType.Middle));
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if (LineCaps && i == pointsToDraw.Length - 1)
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{
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segments.Add(CreateLineCap(start, end, SegmentType.End));
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}
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}
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}
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if (LineCaps && i == pointsToDraw.Length - 1)
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{
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segments.Add(CreateLineCap(start, end, SegmentType.End));
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}
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}
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}
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// Add the line segments to the vertex helper, creating any joins as needed
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// Add the line segments to the vertex helper, creating any joins as needed
|
||||
for (var i = 0; i < segments.Count; i++)
|
||||
{
|
||||
if (!LineList && i < segments.Count - 1)
|
||||
{
|
||||
var vec1 = segments[i][1].position - segments[i][2].position;
|
||||
var vec2 = segments[i + 1][2].position - segments[i + 1][1].position;
|
||||
var angle = Vector2.Angle(vec1, vec2) * Mathf.Deg2Rad;
|
||||
{
|
||||
if (!LineList && i < segments.Count - 1)
|
||||
{
|
||||
var vec1 = segments[i][1].position - segments[i][2].position;
|
||||
var vec2 = segments[i + 1][2].position - segments[i + 1][1].position;
|
||||
var angle = Vector2.Angle(vec1, vec2) * Mathf.Deg2Rad;
|
||||
|
||||
// Positive sign means the line is turning in a 'clockwise' direction
|
||||
// Positive sign means the line is turning in a 'clockwise' direction
|
||||
var sign = Mathf.Sign(Vector3.Cross(vec1.normalized, vec2.normalized).z);
|
||||
|
||||
// Calculate the miter point
|
||||
// Calculate the miter point
|
||||
var miterDistance = LineThickness / (2 * Mathf.Tan(angle / 2));
|
||||
var miterPointA = segments[i][2].position - vec1.normalized * miterDistance * sign;
|
||||
var miterPointB = segments[i][3].position + vec1.normalized * miterDistance * sign;
|
||||
var miterPointA = segments[i][2].position - vec1.normalized * miterDistance * sign;
|
||||
var miterPointB = segments[i][3].position + vec1.normalized * miterDistance * sign;
|
||||
|
||||
var joinType = LineJoins;
|
||||
if (joinType == JoinType.Miter)
|
||||
{
|
||||
// Make sure we can make a miter join without too many artifacts.
|
||||
var joinType = LineJoins;
|
||||
if (joinType == JoinType.Miter)
|
||||
{
|
||||
// Make sure we can make a miter join without too many artifacts.
|
||||
if (miterDistance < vec1.magnitude / 2 && miterDistance < vec2.magnitude / 2 && angle > MIN_MITER_JOIN)
|
||||
{
|
||||
segments[i][2].position = miterPointA;
|
||||
segments[i][3].position = miterPointB;
|
||||
segments[i + 1][0].position = miterPointB;
|
||||
segments[i + 1][1].position = miterPointA;
|
||||
}
|
||||
else
|
||||
{
|
||||
joinType = JoinType.Bevel;
|
||||
}
|
||||
}
|
||||
{
|
||||
segments[i][2].position = miterPointA;
|
||||
segments[i][3].position = miterPointB;
|
||||
segments[i + 1][0].position = miterPointB;
|
||||
segments[i + 1][1].position = miterPointA;
|
||||
}
|
||||
else
|
||||
{
|
||||
joinType = JoinType.Bevel;
|
||||
}
|
||||
}
|
||||
|
||||
if (joinType == JoinType.Bevel)
|
||||
{
|
||||
if (miterDistance < vec1.magnitude / 2 && miterDistance < vec2.magnitude / 2 && angle > MIN_BEVEL_NICE_JOIN)
|
||||
{
|
||||
if (sign < 0)
|
||||
{
|
||||
segments[i][2].position = miterPointA;
|
||||
segments[i + 1][1].position = miterPointA;
|
||||
}
|
||||
else
|
||||
{
|
||||
segments[i][3].position = miterPointB;
|
||||
segments[i + 1][0].position = miterPointB;
|
||||
}
|
||||
}
|
||||
if (joinType == JoinType.Bevel)
|
||||
{
|
||||
if (miterDistance < vec1.magnitude / 2 && miterDistance < vec2.magnitude / 2 && angle > MIN_BEVEL_NICE_JOIN)
|
||||
{
|
||||
if (sign < 0)
|
||||
{
|
||||
segments[i][2].position = miterPointA;
|
||||
segments[i + 1][1].position = miterPointA;
|
||||
}
|
||||
else
|
||||
{
|
||||
segments[i][3].position = miterPointB;
|
||||
segments[i + 1][0].position = miterPointB;
|
||||
}
|
||||
}
|
||||
|
||||
var join = new UIVertex[] { segments[i][2], segments[i][3], segments[i + 1][0], segments[i + 1][1] };
|
||||
vh.AddUIVertexQuad(join);
|
||||
}
|
||||
}
|
||||
vh.AddUIVertexQuad(segments[i]);
|
||||
}
|
||||
}
|
||||
var join = new UIVertex[] { segments[i][2], segments[i][3], segments[i + 1][0], segments[i + 1][1] };
|
||||
vh.AddUIVertexQuad(join);
|
||||
}
|
||||
}
|
||||
|
||||
private UIVertex[] CreateLineCap(Vector2 start, Vector2 end, SegmentType type)
|
||||
{
|
||||
if (type == SegmentType.Start)
|
||||
{
|
||||
var capStart = start - ((end - start).normalized * LineThickness / 2);
|
||||
return CreateLineSegment(capStart, start, SegmentType.Start);
|
||||
}
|
||||
else if (type == SegmentType.End)
|
||||
{
|
||||
var capEnd = end + ((end - start).normalized * LineThickness / 2);
|
||||
return CreateLineSegment(end, capEnd, SegmentType.End);
|
||||
}
|
||||
vh.AddUIVertexQuad(segments[i]);
|
||||
}
|
||||
}
|
||||
|
||||
Debug.LogError("Bad SegmentType passed in to CreateLineCap. Must be SegmentType.Start or SegmentType.End");
|
||||
return null;
|
||||
}
|
||||
private UIVertex[] CreateLineCap(Vector2 start, Vector2 end, SegmentType type)
|
||||
{
|
||||
if (type == SegmentType.Start)
|
||||
{
|
||||
var capStart = start - ((end - start).normalized * LineThickness / 2);
|
||||
return CreateLineSegment(capStart, start, SegmentType.Start);
|
||||
}
|
||||
else if (type == SegmentType.End)
|
||||
{
|
||||
var capEnd = end + ((end - start).normalized * LineThickness / 2);
|
||||
return CreateLineSegment(end, capEnd, SegmentType.End);
|
||||
}
|
||||
|
||||
private UIVertex[] CreateLineSegment(Vector2 start, Vector2 end, SegmentType type)
|
||||
{
|
||||
var uvs = middleUvs;
|
||||
if (type == SegmentType.Start)
|
||||
uvs = startUvs;
|
||||
else if (type == SegmentType.End)
|
||||
uvs = endUvs;
|
||||
Debug.LogError("Bad SegmentType passed in to CreateLineCap. Must be SegmentType.Start or SegmentType.End");
|
||||
return null;
|
||||
}
|
||||
|
||||
Vector2 offset = new Vector2(start.y - end.y, end.x - start.x).normalized * LineThickness / 2;
|
||||
var v1 = start - offset;
|
||||
var v2 = start + offset;
|
||||
var v3 = end + offset;
|
||||
var v4 = end - offset;
|
||||
return SetVbo(new[] { v1, v2, v3, v4 }, uvs);
|
||||
}
|
||||
private UIVertex[] CreateLineSegment(Vector2 start, Vector2 end, SegmentType type)
|
||||
{
|
||||
var uvs = middleUvs;
|
||||
if (type == SegmentType.Start)
|
||||
uvs = startUvs;
|
||||
else if (type == SegmentType.End)
|
||||
uvs = endUvs;
|
||||
|
||||
}
|
||||
Vector2 offset = new Vector2(start.y - end.y, end.x - start.x).normalized * LineThickness / 2;
|
||||
var v1 = start - offset;
|
||||
var v2 = start + offset;
|
||||
var v3 = end + offset;
|
||||
var v4 = end - offset;
|
||||
return SetVbo(new[] { v1, v2, v3, v4 }, uvs);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue