41 lines
1.4 KiB
C#
41 lines
1.4 KiB
C#
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/// Credit koohddang
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/// Sourced from - http://forum.unity3d.com/threads/onfillvbo-to-onpopulatemesh-help.353977/#post-2299311
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using System.Collections.Generic;
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using System;
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namespace UnityEngine.UI.Extensions
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{
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[ExecuteInEditMode]
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[AddComponentMenu("UI/Extensions/Primitives/Diamond Graph")]
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public class DiamondGraph : Graphic
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{
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public float a = 1;
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public float b = 1;
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public float c = 1;
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public float d = 1;
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protected override void OnPopulateMesh(Mesh m)
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{
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float wHalf = rectTransform.rect.width / 2;
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//float hHalf = rectTransform.rect.height / 2;
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a = Math.Min(1, Math.Max(0, a));
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b = Math.Min(1, Math.Max(0, b));
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c = Math.Min(1, Math.Max(0, c));
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d = Math.Min(1, Math.Max(0, d));
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Color32 color32 = color;
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using (var vh = new VertexHelper())
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{
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vh.AddVert(new Vector3(-wHalf * a, 0), color32, new Vector2(0f, 0f));
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vh.AddVert(new Vector3(0, wHalf * b), color32, new Vector2(0f, 1f));
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vh.AddVert(new Vector3(wHalf * c, 0), color32, new Vector2(1f, 1f));
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vh.AddVert(new Vector3(0, -wHalf * d), color32, new Vector2(1f, 0f));
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vh.AddTriangle(0, 1, 2);
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vh.AddTriangle(2, 3, 0);
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vh.FillMesh(m);
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}
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}
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}
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}
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