void OnPostRender()
{
if (isHide)
{
return;
}
if (!mat)
{
// Unity has a built-in shader that is useful for drawing
// simple colored things. In this case, we just want to use
// a blend mode that inverts destination colors.
Shader shader = Shader.Find("Hidden/Internal-Colored");
mat = new Material(shader);
mat.hideFlags = HideFlags.HideAndDontSave;
// Set blend mode to invert destination colors.
//mat.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.OneMinusDstColor);
//mat.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.Zero);
// Turn off backface culling, depth writes, depth test.
mat.SetInt("_Cull", (int)UnityEngine.Rendering.CullMode.Off);
mat.SetInt("_ZWrite", 0);
mat.SetInt("_ZTest", (int)UnityEngine.Rendering.CompareFunction.Always);
/*Debug.LogError("Please Assign a material on the inspector");
* return;*/
}
if (meshUtility == null)
{
return;
}
for (int i = SToAColor.Count - 1; i < meshUtility.Edges.Count * 2; ++i)
{
SToAColor.Add(Random.ColorHSV(0f, 1f, 0f, 1f, 0f, 1f, 1f, 1f));
}
for (int i = AToFColor.Count - 1; i < meshUtility.Triangles.Count * 3; ++i)
{
AToFColor.Add(Random.ColorHSV(0f, 1f, 0f, 1f, 0f, 1f, 1f, 1f));
}
GL.PushMatrix();
mat.SetPass(0);
GL.LoadOrtho();
GL.Begin(GL.QUADS);
Vertex vert;
for (int i = 0; i < meshUtility.Vertices.Count; ++i)
{
vert = meshUtility.Vertices[i];
GL.Color(vert.GetColor());
GL.Vertex3(0.05f * i, 1 - 0, 0);
GL.Vertex3(0.05f * i + 0.045f, 1 - 0, 0);
GL.Vertex3(0.05f * i + 0.045f, 1 - 0.05f, 0);
GL.Vertex3(0.05f * i, 1 - 0.05f, 0);
}
GL.End();
Edge edge;
for (int i = 0; i < meshUtility.Edges.Count; ++i)
{
edge = meshUtility.Edges[i];
GL.Begin(GL.QUADS);
GL.Color(edge.GetColor());
GL.Vertex3(0.05f * i, 1 - 0.15f, 0);
GL.Vertex3(0.05f * i + 0.045f, 1 - 0.15f, 0);
GL.Vertex3(0.05f * i + 0.045f, 1 - 0.20f, 0);
GL.Vertex3(0.05f * i, 1 - 0.20f, 0);
GL.End();
if (edge.Vertices[0] != null)
{
int iA = meshUtility.GetVertexIndex(edge.Vertices[0]);
GL.Begin(GL.LINES);
GL.Color(SToAColor[i]);
GL.Vertex3(0.05f * iA + 0.025f, 1 - 0.05f, 0);
GL.Vertex3(0.05f * i + 0.0125f, 1 - 0.15f, 0);
GL.End();
GL.Begin(GL.TRIANGLES);
GL.Color(Color.white);
GL.Vertex3(0.05f * i + 0.0125f, 1 - 0.15f, 0);
GL.Vertex3(0.05f * i + 0.0125f - 0.002f, 1 - (0.15f + 0.005f), 0);
GL.Vertex3(0.05f * i + 0.0125f + 0.002f, 1 - (0.15f + 0.005f), 0);
GL.End();
}
if (edge.Vertices[1] != null)
{
int iB = meshUtility.GetVertexIndex(edge.Vertices[1]);
GL.Begin(GL.LINES);
GL.Color(SToAColor[meshUtility.Edges.Count + i]);
GL.Vertex3(0.05f * iB + 0.025f, 1 - 0.05f, 0);
GL.Vertex3(0.05f * i + 0.0375f, 1 - 0.15f, 0);
GL.End();
GL.Begin(GL.TRIANGLES);
GL.Color(Color.white);
GL.Vertex3(0.05f * i + 0.0375f, 1 - 0.15f, 0);
GL.Vertex3(0.05f * i + 0.0375f - 0.002f, 1 - (0.15f + 0.005f), 0);
GL.Vertex3(0.05f * i + 0.0375f + 0.002f, 1 - (0.15f + 0.005f), 0);
GL.End();
}
}
Triangle triangle;
for (int i = 0; i < meshUtility.Triangles.Count; ++i)
{
triangle = meshUtility.Triangles[i];
GL.Begin(GL.QUADS);
GL.Color(triangle.GetColor());
GL.Vertex3(0.05f * i, 1 - 0.30f, 0);
GL.Vertex3(0.05f * i + 0.045f, 1 - 0.30f, 0);
GL.Vertex3(0.05f * i + 0.045f, 1 - 0.35f, 0);
GL.Vertex3(0.05f * i, 1 - 0.35f, 0);
GL.End();
if (triangle.Edges[0] != null)
{
int iA = meshUtility.GetEdgeIndex(triangle.Edges[0]);
GL.Begin(GL.LINES);
GL.Color(AToFColor[i]);
GL.Vertex3(0.05f * iA + 0.025f, 1 - 0.20f, 0);
GL.Vertex3(0.05f * i + 0.0125f, 1 - 0.30f, 0);
GL.End();
GL.Begin(GL.TRIANGLES);
GL.Color(Color.white);
GL.Vertex3(0.05f * i + 0.0125f, 1 - 0.30f, 0);
GL.Vertex3(0.05f * i + 0.0125f - 0.002f, 1 - (0.30f + 0.005f), 0);
GL.Vertex3(0.05f * i + 0.0125f + 0.002f, 1 - (0.30f + 0.005f), 0);
GL.End();
}
if (triangle.Edges[1] != null)
{
int iB = meshUtility.GetEdgeIndex(triangle.Edges[1]);
GL.Begin(GL.LINES);
GL.Color(AToFColor[meshUtility.Triangles.Count + i]);
GL.Vertex3(0.05f * iB + 0.025f, 1 - 0.20f, 0);
GL.Vertex3(0.05f * i + 0.025f, 1 - 0.30f, 0);
GL.End();
GL.Begin(GL.TRIANGLES);
GL.Color(Color.white);
GL.Vertex3(0.05f * i + 0.025f, 1 - 0.30f, 0);
GL.Vertex3(0.05f * i + 0.025f - 0.002f, 1 - (0.30f + 0.005f), 0);
GL.Vertex3(0.05f * i + 0.025f + 0.002f, 1 - (0.30f + 0.005f), 0);
GL.End();
}
if (triangle.Edges[2] != null)
{
int iB = meshUtility.GetEdgeIndex(triangle.Edges[2]);
GL.Begin(GL.LINES);
GL.Color(AToFColor[meshUtility.Triangles.Count * 2 + i]);
GL.Vertex3(0.05f * iB + 0.025f, 1 - 0.20f, 0);
GL.Vertex3(0.05f * i + 0.0375f, 1 - 0.30f, 0);
GL.End();
GL.Begin(GL.TRIANGLES);
GL.Color(Color.white);
GL.Vertex3(0.05f * i + 0.0375f, 1 - 0.30f, 0);
GL.Vertex3(0.05f * i + 0.0375f - 0.002f, 1 - (0.30f + 0.005f), 0);
GL.Vertex3(0.05f * i + 0.0375f + 0.002f, 1 - (0.30f + 0.005f), 0);
GL.End();
}
}
GL.PopMatrix();
}