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<!DOCTYPE html>
<html>
<head>
<title>Plane–plane intersection</title>
<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}}
}
);
// Two planes
let basePt = view.create(
'point3d',
[1, 1, 1],
{
withLabel: false,
size: 5,
strokeWidth: 1,
strokeColor: '#600030',
fillColor: 'white',
gradient: 'radial',
gradientSecondColor: '#a00050',
gradientFX: 0.7,
gradientFY: 0.3,
highlightStrokeColor: '#600030'
}
);
let p1 = view.create(
'plane3d',
[basePt, [1, 0, 0], [0, 1, 0]],
{
strokeWidth: 1,
strokeColor: '#0000ff',
strokeOpacity: 0.5,
fillColor: '#0000ff',
fillOpacity: 0.1,
gradient: null
}
);
let p2 = view.create(
'plane3d',
[basePt, [-2, 1, 1], [1, -2, 1]],
{
strokeWidth: 1,
strokeColor: '#00ff80',
strokeOpacity: 0.5,
fillColor: '#00ff80',
fillOpacity: 0.1,
gradient: null
}
);
// The line where the two planes intersect
view.create(
'intersectionline3d',
[p1, p2],
{
strokeOpacity: 0.5,
highlightStrokeColor: 'black',
highlightStrokeOpacity: 0.5
}
);
</script>
</body>
</html>
|
