git.scottworley.com Git - nt3d/blame_incremental

... / ...

Commit	Line	Data
	1	<html>
	2	<head>
	3	<title>Medusa</title>
	4	<script type="text/javascript" src="nt3d.js"></script>
	5	<script type="text/javascript">
	6	function finger(params, finger_crosssection, ring_radius, finger_angle) {
	7	var path = [];
	8	var twirl_angle = params.finger_twirl_distance / (ring_radius * 2 * Math.PI);
	9	console.log(twirl_angle);
	10	for (var finger_point = 0; finger_point <= params.finger_points; finger_point++) {
	11	var angle = (finger_angle + twirl_angle * finger_point / params.finger_points) * 2 * Math.PI;
	12	var x = ring_radius * Math.cos(angle);
	13	var y = ring_radius * Math.sin(angle);
	14	path.push([x, y, params.finger_height * finger_point / params.finger_points]);
	15	}
	16	return nt3d.extrude(path, finger_crosssection, [0, 0, 1], nt3d.pathnormals_from_point(path, [0, 0, 0]));
	17	}
	18	function medusa(params) {
	19	var finger_crosssection = nt3d.circle(params.finger_radius, params.finger_faces);
	20	var fingers = [];
	21	for (var ring_num = 0; ring_num < params.num_rings; ring_num++) {
	22	var ring_radius = params.first_ring_radius + ring_num * params.ring_spacing;
	23	var num_fingers = Math.round((ring_radius * 2 * Math.PI) / params.finger_spacing);
	24	for (var finger_num = 0; finger_num < num_fingers; finger_num++) {
	25	var finger_angle = finger_num / num_fingers;
	26	fingers = fingers.concat(finger(params, finger_crosssection, ring_radius, finger_angle));
	27	}
	28	}
	29
	30	return fingers;
	31	}
	32	var params = [["first_ring_radius", 20],
	33	["num_rings", 4],
	34	["ring_spacing", 10, "Space Between Rings"],
	35	["finger_spacing", 10],
	36	["finger_radius", 3],
	37	["finger_faces", 3],
	38	["finger_points", 20],
	39	["finger_twirl_distance", 50],
	40	["finger_height", 100]];
	41	</script>
	42	</head>
	43	<body onload="nt3d.framework(medusa, params)">
	44	<h1>Medusa</h1>
	45	<p>An artsy thing.</p>
	46	</body>
	47	</html>