JavaScript-HTML5-Canvas-Particle-System/index.html at master · donlnz/JavaScript-HTML5-Canvas-Particle-System · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
<!DOCTYPE HTML>
<html>
	<head>
		<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css" />
		<link href="css/stylesheet.css" rel="stylesheet" type="text/css" />
		<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
		<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.18/jquery-ui.min.js"></script>
		<script type="text/javascript" src="js/particles.js" ></script>
		<script type="text/javascript">
			var ps;
			window.onload = function () {

				window.onresize = function (){
					ps.resize();
				}

				// Create a new particle system
				ps = new ParticleSystem('canvas');

				// Initialize particle system
				ps.particleColor = { r : 50, g : 100, b : 200, a : 1 };
				ps.particlesPerUpdate = 5;
				ps.particleSpeed = 10;
				ps.autoResize = true;

				// Init controls
				$("#controller-pwidth").slider({ min: 1, max: 150, change: function(event, ui) { ps.particleSize.x = ui.value } });
				$("#controller-pheight").slider({ min: 1, max: 150, change: function(event, ui) { ps.particleSize.y = ui.value } });
				$("#controller-pwidth").slider("option", "value", 20);
				$("#controller-pheight").slider("option", "value", 20);

				updPType();
				updRType();

				// Start the particle system
				ps.run();
			}

			function updPType() {
				var ptype = document.getElementById("controller-ptype").value;
				switch (ptype) {
					case "Square":
						ps.particleRenderer = new SquareParticleRenderer();
						document.getElementById("controller-pheight").style.visibility = "visible";
						break;
					case "Round":
						ps.particleRenderer = new RoundParticleRenderer();
						document.getElementById("controller-pheight").style.visibility = "hidden";
						$("#controller-pheight").slider("option", "value", 20);
						break;
				}
			}

			function updRType() {
				var rtype = document.getElementById("controller-rtype").value;
				switch (rtype) {
					case "Default":
						ps.particleAnimator = new DefaultParticleAnimator();
						break;
					case "Fancy":
						ps.particleAnimator = new FancyParticleAnimator();
						break;
				}
			}
		</script>
	</head>
	<body>
		<div id="controls">
			<div id="controllercontainer">
				<div class="controllername">{particle}.renderer</div>
				<select class="controller" id="controller-ptype" onchange="updPType()">
					<option>Square</option>
					<option>Round</option>
				</select>
				<div class="clearfloat"></div>
			</div>

			<div id="controllercontainer">
				<div class="controllername">{particle}.animator</div>
				<select class="controller" id="controller-rtype" onchange="updRType()">
					<option>Default</option>
					<option>Fancy</option>
				</select>
				<div class="clearfloat"></div>
			</div>

			<div id="controllercontainer">
				<div class="controllername">{particle}.width</div>
				<div class="controller" id="controller-pwidth"></div>
				<div class="clearfloat"></div>
			</div>

			<div id="controllercontainer">
				<div class="controllername">{particle}.height</div>
				<div class="controller" id="controller-pheight"></div>
				<div class="clearfloat"></div>
			</div>
		</div>
		<canvas id="canvas"></canvas>
		<script type="text/javascript">
			canvas.onmousemove = function(e) {
				if (false)
					ps.particleOrigin = getCanvasPos(e, canvas);
			}
		</script>
	</body>
</html>