a sphere!

exciting! (thank you, wikipedia.)

js/pixl/public/trixl.html

@@ -214,6 +214,17 @@
			});
		}
		trixl.geometry.sphere = function(pos, radius, color) {
			for (var i = 0; i < 2 * Math.PI; i += Math.PI / radius) {
				for (var j = 0; j < Math.PI; j += Math.PI / radius) {
					var x = pos[0] + radius * Math.cos(i) * Math.sin(j),
					    y = pos[1] + radius * Math.sin(i) * Math.sin(j),
						 z = pos[2] + radius * Math.cos(j);
					trixl.world.set([x, y, z], {color: color});
				}
			}
		}
		var angle = {x: 0, y: 0, z: 0};
		var offset = {x: 0, y: 0, z: 0};
		program.transform = gl.getUniformLocation(program, 'transform');