private void HandleSplit(SgtDynamicPlanetChunk chunk)
{
var cubeH = chunk.CubeH * 0.5;
var cubeV = chunk.CubeV * 0.5;
var coordM = chunk.CoordM * 0.5;
var coordH = new double2(coordM, 0.0);
var coordV = new double2(0.0, coordM);
chunk.Split = true;
chunk.Children[0] = SgtDynamicPlanetChunk.Create(chunk, chunk.Cube, cubeH, cubeV, chunk.Coord, coordM);
chunk.Children[1] = SgtDynamicPlanetChunk.Create(chunk, chunk.Cube + cubeH, cubeH, cubeV, chunk.Coord + coordH, coordM);
chunk.Children[2] = SgtDynamicPlanetChunk.Create(chunk, chunk.Cube + cubeV, cubeH, cubeV, chunk.Coord + coordV, coordM);
chunk.Children[3] = SgtDynamicPlanetChunk.Create(chunk, chunk.Cube + cubeH + cubeV, cubeH, cubeV, chunk.Coord + coordH + coordV, coordM);
Hide(chunk);
for (var c = 0; c < 4; c++)
{
var child = chunk.Children[c];
Generate(child);
Show(child);
}
if (OnSplitChunk != null)
{
OnSplitChunk.Invoke(chunk);
}
}
private SgtDynamicPlanetChunk BuildRootChunk(float3 cube, float3 cubeH, float3 cubeV)
{
var rotation = quaternion.Euler(math.atan(1.0f / math.sqrt(2.0f)), 0.0f, 0.785398f);
cube = math.mul(rotation, cube);
cubeH = math.mul(rotation, cubeH);
cubeV = math.mul(rotation, cubeV);
return(SgtDynamicPlanetChunk.Create(null, cube, cubeH, cubeV, new double2(0.0, 0.0), 1.0));
}