-
Notifications
You must be signed in to change notification settings - Fork 29
/
jtopo直线单向流动动画.html
77 lines (69 loc) · 2.59 KB
/
jtopo直线单向流动动画.html
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
<!DOCTYPE html >
<html>
<head>
<meta charset="utf-8">
<title>JTOPO直线单向流动动画</title>
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js" type="text/javascript"></script>
<script src="jtp/jtopo-0.4.8-min.js" type="text/javascript"></script>
</head>
<body>
<canvas width="800"height="500"id="canvas"style=" background-color:#EEEEEE; border:1px solid #444;">
</canvas>
</body>
</html>
<script type="text/javascript">
CanvasRenderingContext2D.prototype.JtopoDrawPointPath=function(a,b,c,d,e,f){
var animespeed=(new Date())/10;
var xs=c- a,
xy=d- b,
l = Math.floor(Math.sqrt(xs * xs + xy * xy)),
colorlength=50,
j=l;
xl=xs/ l,
yl=xy/l;
var colorpoint=animespeed%(l+colorlength)-colorlength;
for(var i=0;i<j;i++){
if(((i)>colorpoint)&&((i)<(colorpoint+colorlength))){
this.beginPath();
this.strokeStyle=e;
this.moveTo(a+(i-1)*xl,b+(i-1)*yl);
this.lineTo(a+i*xl,b+i*yl);
this.stroke();
}else{
this.beginPath();
this.strokeStyle=f;
this.moveTo(a+(i-1)*xl,b+(i-1)*yl);
this.lineTo(a+i*xl,b+i*yl)
this.stroke();
}
}
};
var canvas = document.getElementById('canvas'); //舞台
var stage = new JTopo.Stage(canvas);//场景
var scene = new JTopo.Scene(stage);
var node = new JTopo.Node("Hello");
node.setLocation(10, 10);
scene.add(node);
var node2 = new JTopo.Node("Hello");
node2.setLocation(400, 200);
scene.add(node2);
var link1=new JTopo.Link(node,node2);
link1.PointPathColor="rgb(255,255,0)";
link1.strokeColor="255,0,255";
link1.paintPath = function(a, b) {
if (this.nodeA === this.nodeZ) return void this.paintLoop(a);
a.beginPath(),
a.moveTo(b[0].x, b[0].y);
for (var c = 1; c < b.length; c++) {
null == this.dashedPattern ? (
(null==this.PointPathColor?a.lineTo(b[c].x, b[c].y):a.JtopoDrawPointPath(b[c - 1].x, b[c - 1].y, b[c].x, b[c].y, a.strokeStyle,this.PointPathColor))
) : a.JTopoDashedLineTo(b[c - 1].x, b[c - 1].y, b[c].x, b[c].y, this.dashedPattern)
};
if (a.stroke(), a.closePath(), null != this.arrowsRadius) {
var d = b[b.length - 2],
e = b[b.length - 1];
this.paintArrow(a, d, e)
}
}
scene.add(link1)
</script>