private static void DrawFlatLine(__VSOutputType__ v1, __VSOutputType__ v2)
{
if (v1.Position.Y > Canvas.Height || v1.Position.Y < 0)
{
return;
}
if (v1.Position.X > v2.Position.X)
{
Swap(ref v1, ref v2);
}
if (v1.Position.X > Canvas.Width || v2.Position.X < 0)
{
return;
}
float x0 = v1.Position.X;
float x1 = v2.Position.X > Canvas.Width ? Canvas.Width : v2.Position.X;
float dx = v2.Position.X - x0 + 0.01f;
for (int i = (int)x0; i <= x1; i++)
{
float t = (i - x0) / dx;
__VSOutputType__ v = Lerp(v1, v2, t);
v = MulOnePerZ(v);
__FSOutputType__ o = Shader.__FragmentShaderName__(v);
Canvas.SetPixel(i, (int)(v1.Position.Y + 0.5), o.Color, v1.Position.Z);
}
}
private static void DrawFlatLine(__VSOutputType__ v1, __VSOutputType__ v2, __ShaderName__ shader)
{
if (v1.Position.X > v2.Position.X)
{
Swap(ref v1, ref v2);
}
float x0 = v1.Position.X;
float x1 = v2.Position.X;
//if (x0 > x1) Swap(ref x0, ref x1);
float dx = x1 - x0 + 0.01f;
//Console.WriteLine($"dx: {dx}");
for (int i = (int)x0; i <= x1; i++)
{
__FSOutputType__ o = shader.__FragmentShaderName__(Lerp(v1, v2, (i - x0) / dx));
Canvas.SetPixel(i, (int)(v1.Position.Y /*+ 0.5f*/), o.Color);
}
}