public LightMap(int width, int height)
			{
				this.width = width;
				this.height = height;

				lightData = new int[width][height][3];

				for (int x = 0; x < width; x++)
					for (int y = 0; y < height; y++)
						for (int c = 0; c < depth; c++)
							lightData[x][y][c] = baseLightColours[c];
			}