public static void SortTrianglePoints(VertexBuffer vbx, FrameBuffer frameBuffer, int triangleIndices, out PaintedVertex v0, out PaintedVertex v1, out PaintedVertex v2)
{
var t = vbx.Volume.Triangles[triangleIndices];
var worldNormVertices = vbx.WorldNormVertices;
var projectionVertices = vbx.ProjectionVertices;
var worldVertices = vbx.WorldVertices;
v0 = new PaintedVertex(worldNormVertices[t.I0], frameBuffer.ToScreen3(projectionVertices[t.I0]), worldVertices[t.I0]);
v1 = new PaintedVertex(worldNormVertices[t.I1], frameBuffer.ToScreen3(projectionVertices[t.I1]), worldVertices[t.I1]);
v2 = new PaintedVertex(worldNormVertices[t.I2], frameBuffer.ToScreen3(projectionVertices[t.I2]), worldVertices[t.I2]);
if (v0.ScreenPoint.Y > v1.ScreenPoint.Y)
{
MiscUtils.Swap(ref v0, ref v1);
}
if (v1.ScreenPoint.Y > v2.ScreenPoint.Y)
{
MiscUtils.Swap(ref v1, ref v2);
}
if (v0.ScreenPoint.Y > v1.ScreenPoint.Y)
{
MiscUtils.Swap(ref v0, ref v1);
}
}
public void DrawLine(FrameBuffer surface, ColorRGB color, Vector4 projectionP0, Vector4 projectionP1)
{
if (!clipperH.Clip(ref projectionP0, ref projectionP1))
{
return;
}
var p0 = surface.ToScreen3(projectionP0);
var p1 = surface.ToScreen3(projectionP1);
surface.DrawLine(p0, p1, color);
}
