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
|
<!DOCTYPE html>
<html>
<head>
<title>Curve glider</title>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="../distrib/jsxgraph.css" />
<script type="text/javascript" src="../distrib/jsxgraphcore.js"></script>
</head>
<body>
<div id="jxgbox" class="jxgbox" style="width:800px; height:800px; float:left"></div>
<script type="text/javascript">
let board = JXG.JSXGraph.initBoard(
'jxgbox',
{
boundingbox: [-8, 8, 8,-8],
axis: false,
showcopyright: false,
shownavigation: false
}
);
let view = board.create(
'view3d',
[[-6, -3], [8, 8],
[[0, 3], [0, 3], [0, 3]]],
{
xPlaneRear: {fillOpacity: 0.2, gradient: null},
yPlaneRear: {fillOpacity: 0.2, gradient: null},
zPlaneRear: {fillOpacity: 0.2, gradient: null},
bank: {slider: {visible: true}}
}
);
// Curve
let curve = view.create(
'curve3d',
[
(t) => 2.5 + t*t*(-8 + t*t*8),
(t) => 1.5 + t*(5 + t*t*(-20 + t*t*16)),
(t) => 1.5 + t*(-3 + t*t*4),
[-1, 1]
]
);
// Glider
let glider = view.create(
'point3d',
[2.5, 1.5, 1.5, curve],
{
withLabel: false,
size: 5,
strokeWidth: 1,
strokeColor: '#600030',
fillColor: 'white',
gradient: 'radial',
gradientSecondColor: '#a00050',
highlightStrokeColor: '#600030'
}
);
</script>
</body>
</html>
|
