void assignColor() //assigns color to a piece according to it's brickType
	{
		switch( brickType )
		{
		case 0:	//square, "T" = yellow
		case 2:
			red = green = 1.0F; blue = 0.0F;
			break;
		case 1: //stick, 2x2 = blue
		case 5:
			blue = 1.0F; red = green = 0.0F;
			break;
		case 3: //3x1 = purple
			blue = red = 1.0F; green = 0.0F;
			break;
		case 4: //1x3 = green
			green = 1.0F; red = blue = 0.0F;
			break;
		case 6: //l 2x2 = red
			red = 1.0F; blue = green = 0.0F;
			break;
		}
	}