git.scottworley.com Git - nt3d/blame_incremental

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