Unity3d can change colors and display samples in a building GL material

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void CreateLineMaterial() { if (!mat) { mat = new Material(“Shader \”Lines/Colored Blended\” {” + “SubShader { Pass { ” + ” Blend SrcAlpha OneMinusSrcAlpha ” + ” ZWrite Off Cull Off Fog { Mode Off } ” + ” BindChannels {” + ” Bind \”vertex\”, vertex Bind \”color\”, color }” + “} } }”); mat.hideFlags = HideFlags.HideAndDontSave; mat.shader.hideFlags = HideFlags.HideAndDontSave; } }

void OnPostRender() { if (!mat) { CreateLineMaterial(); return; } GL.PushMatrix(); mat.SetPass(0); GL.LoadOrtho(); GL.Begin(GL.QUADS); GL.Color(Color.red); GL.Vertex3(0, 0.5F, 0); GL.Vertex3(0.5F, 1, 0); GL.Vertex3(1, 0.5F, 0); GL.Vertex3(0.5F, 0, 0); GL.Color(Color.cyan); GL.Vertex3(0, 0, 0); GL.Vertex3(0, 0.25F, 0); GL.Vertex3(0.25F, 0.25F, 0); GL.Vertex3(0.25F, 0, 0); GL.End(); GL.PopMatrix(); }

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