public Planet(string name, string bufname, float radius, TerrainCache cache) : base(name)
{
face = new TerrainFace[6];
for (int i = 0; i < 6; i++)
{
face[i] = new TerrainFace(name + "_" + i, (TerrainFaceIndex)i, radius, cache);
face[i].heightDataBufferName = bufname;
}
}
public TerrainFace(string name, TerrainFaceIndex faceIndex, float radius, TerrainCache cache) : base(name)
{
Initialize("TerrainFace");
cur_cntr = cntr++;
this.cache = cache;
uint v0 = 0, v1 = 0, v2 = 0;
switch (faceIndex)
{
case TerrainFaceIndex.Top:
normal = new Vector3(0, 1, 0);
v0 = 0;
v1 = 2;
v2 = 1;
break;
case TerrainFaceIndex.Bottom:
normal = new Vector3(0, -1, 0);
v0 = 0;
v1 = 2;
v2 = 1;
break;
case TerrainFaceIndex.Front:
normal = new Vector3(0, 0, 1);
v0 = 0;
v1 = 1;
v2 = 2;
break;
case TerrainFaceIndex.Back:
normal = new Vector3(0, 0, -1);
v0 = 0;
v1 = 1;
v2 = 2;
break;
case TerrainFaceIndex.Left:
normal = new Vector3(1, 0, 0);
v0 = 1;
v1 = 2;
v2 = 0;
break;
case TerrainFaceIndex.Right:
normal = new Vector3(-1, 0, 0);
v0 = 1;
v1 = 2;
v2 = 0;
break;
}
unsafe
{
pushConstantsLen = 4 * 4 + 4 * 4 + 4;
pushConstants = Marshal.AllocHGlobal((int)pushConstantsLen);
float *f_ptr = (float *)pushConstants;
uint * ui_ptr = (uint *)f_ptr;
f_ptr[0] = normal.X;
f_ptr[1] = normal.Y;
f_ptr[2] = normal.Z;
f_ptr[3] = 0.0f;
ui_ptr[4] = v0;
ui_ptr[5] = v1;
ui_ptr[6] = v2;
f_ptr[7] = radius;
ui_ptr[8] = (uint)faceIndex * 2049 * 2049;
}
}