/// <summary>
/// 光栅化
/// </summary>
public void Rasterization()
{
for (int i = 0; i < SrTriangles.Count; i++)
{
var fl = Rast(SrTriangles[i]);
foreach (var frag in fl)
{
if (frag.z > zBuffer[frag.x, frag.y] && zBuffer[frag.x, frag.y] != 0)
{
continue;
}
Color col = srShader.FragShader(frag.data);
if (blend)
{
Color t = frameBuffer.GetPixel(frag.x, frag.y);
float r = t.r * (1 - col.a) + col.r * col.a;
float g = t.g * (1 - col.a) + col.g * col.a;
float b = t.b * (1 - col.a) + col.b * col.a;
frameBuffer.SetPixel(frag.x, frag.y, new Color(r, g, b));
}
else
{
frameBuffer.SetPixel(frag.x, frag.y, col);
}
zBuffer[frag.x, frag.y] = frag.z;
}
}
}
