public void Apply(VoxelStencil stencil)
{
int xStart = stencil.XStart;
if (xStart < 0)
{
xStart = 0;
}
int xEnd = stencil.XEnd;
if (xEnd >= resolution)
{
xEnd = resolution - 1;
}
int yStart = stencil.YStart;
if (yStart < 0)
{
yStart = 0;
}
int yEnd = stencil.YEnd;
if (yEnd >= resolution)
{
yEnd = resolution - 1;
}
for (int y = yStart; y <= yEnd; y++)
{
int i = y * resolution + xStart;
for (int x = xStart; x <= xEnd; x++, i++)
{
voxels[i].state = stencil.Apply(x, y, voxels[i].state);
}
}
Refresh();
}
/// <summary>
/// Update the voxel map.
/// </summary>
/// <param name="point">The point which was touched.</param>
private void EditVoxels(Vector3 point)
{
int centerX = (int)((point.x + halfSize) / voxelSize);
int centerY = (int)((point.y + halfSize) / voxelSize);
int xStart = (centerX - 1) / voxelResolution;
if (xStart < 0)
{
xStart = 0;
}
int xEnd = (centerX) / voxelResolution;
if (xEnd >= chunkResolution)
{
xEnd = chunkResolution - 1;
}
int yStart = (centerY - 1) / voxelResolution;
if (yStart < 0)
{
yStart = 0;
}
int yEnd = (centerY) / voxelResolution;
if (yEnd >= chunkResolution)
{
yEnd = chunkResolution - 1;
}
VoxelStencil activeStencil = new VoxelStencil();
activeStencil.Initialize(true, 0);
int voxelYOffset = yEnd * voxelResolution;
for (int y = yEnd; y >= yStart; y--)
{
int i = y * chunkResolution + xEnd;
int voxelXOffset = xEnd * voxelResolution;
for (int x = xEnd; x >= xStart; x--, i--)
{
activeStencil.SetCenter(centerX - voxelXOffset, centerY - voxelYOffset);
chunks[i].Apply(activeStencil);
voxelXOffset -= voxelResolution;
}
voxelYOffset -= voxelResolution;
}
}
