public Terrain(DepthTexture diffuseMap, DepthTexture bumpMap, float yScale, float xzScale)
{
if (diffuseMap.Height != bumpMap.Height || diffuseMap.Width != bumpMap.Width)
{
throw new Exception("diffuseMap and bumpMap must be the same size");
}
if (yScale < 1.0f || xzScale < 1.0f)
{
throw new Exception("only can scale up or keep a scale of 1");
}
//make bare-bones simplified arrays/per-computed values
this.xzScale = xzScale;
h = bumpMap.Height;
w = bumpMap.Width;
this.bumpMap = new float[bumpMap.Width, bumpMap.Height];
this.diffuseMap = new Pixel[diffuseMap.Width, diffuseMap.Height];
Parallel.For(0, bumpMap.Width, x =>
{
for (int y = 0; y < bumpMap.Height; y++)
{
this.bumpMap[x, y] = bumpMap.GetPixel(x, y).R *yScale;
ref Pixel tmpPix = ref this.diffuseMap[x, y];
BasePixel tmpPix2 = diffuseMap.GetPixel(x, y);
tmpPix.R = tmpPix2.R;
tmpPix.G = tmpPix2.G;
tmpPix.B = tmpPix2.B;
}
});
}