private void ApplyChunkStencil(VoxelGrid grid, VoxelStencil stencil)
{
int xStart = stencil.XStart;
if (xStart < 0)
{
xStart = 0;
}
int xEnd = stencil.XEnd;
if (xEnd >= grid.resolution)
{
xEnd = grid.resolution - 1;
}
int yStart = stencil.YStart;
if (yStart < 0)
{
yStart = 0;
}
int yEnd = stencil.YEnd;
if (yEnd >= grid.resolution)
{
yEnd = grid.resolution - 1;
}
for (int y = yStart; y <= yEnd; y++)
{
int i = y * grid.resolution + xStart;
for (int x = xStart; x <= xEnd; x++, i++)
{
grid.voxels[i].state = stencil.Apply(x, y, grid.voxels[i].state);
}
}
grid.UpdateGrid();
}
