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<!DOCTYPE html>
<html>
<head>
<title>Circle in 3D</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, -4], [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}},
depthOrderPoints: true
}
);
// Center
let center = view.create(
'point3d',
[1.5, 1.5, 1.5],
{
withLabel: false,
size: 5,
strokeWidth: 1,
strokeColor: '#600030',
fillColor: 'white',
gradient: 'radial',
gradientSecondColor: '#a00050',
gradientFX: 0.7,
gradientFY: 0.3,
highlightStrokeColor: '#600030'
}
);
// Normal
let normalHandle = view.create(
'point3d',
[1.5, 2.5, 2.5],
{
withLabel: false,
size: 5,
strokeWidth: 1,
strokeColor: '#300060',
fillColor: 'white',
gradient: 'radial',
gradientSecondColor: '#5000a0',
gradientFX: 0.7,
gradientFY: 0.3,
highlightStrokeColor: '#300060'
}
);
let normalSeg = view.create('line3d', [center, normalHandle]);
normal = [
() => normalHandle.X() - center.X(),
() => normalHandle.Y() - center.Y(),
() => normalHandle.Z() - center.Z()
];
// Radius slider
let radius = board.create(
'slider',
[
[-6, 7], [2, 7],
[0, 1, 2]
], {
name: 'radius'
}
);
// Circle
let circle = view.create(
'circle3d',
[center, normal, () => radius.Value()]
);
// Glider
let glider = view.create(
'point3d',
[2.5, 1.5, 1.5, circle],
{
withLabel: false,
size: 5,
strokeWidth: 1,
strokeColor: '#300060',
fillColor: 'white',
gradient: 'radial',
gradientSecondColor: '#5000a0',
gradientFX: 0.7,
gradientFY: 0.3,
highlightStrokeColor: '#300060'
}
);
</script>
</body>
</html>
|
