put the focus pos slightly in front of the camera.

js/pixl/public/trixl.html

@@ -102,7 +102,7 @@
		program.color = gl.getUniformLocation(program, 'color');
		gl.uniform4f(program.color, -1, -1, -1, -1);
		trixl.pos = {x: 0, y: 0, z: 0, a: 0};
		trixl.pos = {x: 0, y: 0, z: 5, a: 0};
		var angle = {x: 0, y: 0, z: 0};
		var offset = {x: 0, y: 0, z: 0};
@@ -112,9 +112,13 @@
				matrix.translate(trixl.pos.x, trixl.pos.y, trixl.pos.z),
				matrix.rotateY(trixl.pos.a)
			);
			var camera_pos = [camera[12], camera[13], camera[14]];
			var camera_pos = camera.slice(12, 15);
			var focus_pos = mat4.multiplyMany(
				matrix.translate(trixl.pos.x, trixl.pos.y, trixl.pos.z + 5),
				matrix.rotateY(trixl.pos.a)
			).slice(12, 15);
			var up = [0, 1, 0];
			camera = mat4.lookAt([], camera_pos, [0, 0, 0], up);
			camera = mat4.lookAt([], camera_pos, focus_pos, up);
			var view = mat4.invert([], camera);
			var aspect = trixl.window.w / trixl.window.h;