aframe-nbody-system
Version:
An N-Body system for A-Frame.
66 lines (59 loc) • 6.24 kB
HTML
<html>
<head>
<title>A-Frame N-Body System - Basic</title>
<meta name="description" content="Basic example for N-Body system."></meta>
<script src="../build.js"></script>
</head>
<body>
<a-scene physics="gravity: 0; iterations: 5; restitution: 0.6" stats nbody="g: 10">
<a-assets>
<img id="sky" src="Stars_Tycho2_3000.png">
</a-assets>
<a-sky src="#sky"></a-sky>
<a-entity nbody material="color: #0000ff" geometry="primitive: sphere; radius: 1.0;" dynamic-body="shape: sphere; sphereRadius: 1.0; mass: 1.0" position="5 -14 -35"></a-entity>
<a-entity nbody material="color: #00ff00" geometry="primitive: sphere; radius: 1.2;" dynamic-body="shape: sphere; sphereRadius: 1.2; mass: 1.2" position="-4 15 -55"></a-entity>
<a-entity nbody material="color: #00ffff" geometry="primitive: sphere; radius: 2.6;" dynamic-body="shape: sphere; sphereRadius: 2.6; mass: 2.6" position="25 27 -145"></a-entity>
<a-entity nbody material="color: #ff0000" geometry="primitive: sphere; radius: 1.4;" dynamic-body="shape: sphere; sphereRadius: 1.4; mass: 1.4" position="12 25 -175"></a-entity>
<a-entity nbody material="color: #ff00ff" geometry="primitive: sphere; radius: 1.6;" dynamic-body="shape: sphere; sphereRadius: 1.6; mass: 1.6" position="-11 -26 -95"></a-entity>
<a-entity nbody material="color: #ffff00" geometry="primitive: sphere; radius: 1.8;" dynamic-body="shape: sphere; sphereRadius: 1.8; mass: 1.8" position="21 -32 -65"></a-entity>
<a-entity nbody material="color: #ffffff" geometry="primitive: sphere; radius: 2.0;" dynamic-body="shape: sphere; sphereRadius: 2.0; mass: 2.0" position="5 26 -95"></a-entity>
<a-entity nbody material="color: #0000dd" geometry="primitive: sphere; radius: 2.2;" dynamic-body="shape: sphere; sphereRadius: 2.2; mass: 2.2" position="-12 21 -115"></a-entity>
<a-entity nbody material="color: #00dd00" geometry="primitive: sphere; radius: 2.4;" dynamic-body="shape: sphere; sphereRadius: 2.4; mass: 2.4" position="15 4 -75"></a-entity>
<a-entity nbody material="color: #00dddd" geometry="primitive: sphere; radius: 2.8;" dynamic-body="shape: sphere; sphereRadius: 2.8; mass: 2.8" position="-6 -19 -35"></a-entity>
<a-entity nbody material="color: #0000cc" geometry="primitive: sphere; radius: 1.0;" dynamic-body="shape: sphere; sphereRadius: 1.0; mass: 1.0" position="15 -4 -55"></a-entity>
<a-entity nbody material="color: #00cc00" geometry="primitive: sphere; radius: 1.2;" dynamic-body="shape: sphere; sphereRadius: 1.2; mass: 1.2" position="-14 -5 -135"></a-entity>
<a-entity nbody material="color: #00cccc" geometry="primitive: sphere; radius: 2.6;" dynamic-body="shape: sphere; sphereRadius: 2.6; mass: 2.6" position="21 25 -145"></a-entity>
<a-entity nbody material="color: #cc0000" geometry="primitive: sphere; radius: 1.4;" dynamic-body="shape: sphere; sphereRadius: 1.4; mass: 1.4" position="15 12 -95"></a-entity>
<a-entity nbody material="color: #cc00cc" geometry="primitive: sphere; radius: 1.6;" dynamic-body="shape: sphere; sphereRadius: 1.6; mass: 1.6" position="-26 -11 -125"></a-entity>
<a-entity nbody material="color: #cccc00" geometry="primitive: sphere; radius: 1.8;" dynamic-body="shape: sphere; sphereRadius: 1.8; mass: 1.8" position="-32 21 -65"></a-entity>
<a-entity nbody material="color: #cccccc" geometry="primitive: sphere; radius: 2.0;" dynamic-body="shape: sphere; sphereRadius: 2.0; mass: 2.0" position="26 5 -95"></a-entity>
<a-entity nbody material="color: #0000aa" geometry="primitive: sphere; radius: 2.2;" dynamic-body="shape: sphere; sphereRadius: 2.2; mass: 2.2" position="21 -12 -85"></a-entity>
<a-entity nbody material="color: #00aa00" geometry="primitive: sphere; radius: 2.4;" dynamic-body="shape: sphere; sphereRadius: 2.4; mass: 2.4" position="4 15 -95"></a-entity>
<a-entity nbody material="color: #00aaaa" geometry="primitive: sphere; radius: 2.8;" dynamic-body="shape: sphere; sphereRadius: 2.8; mass: 2.8" position="-12 -6 -85"></a-entity>
</a-scene>
<script type="text/javascript">
window.onload = function () {
var nbodies = document.querySelectorAll('[nbody]')
for (var x = 0; x < nbodies.length; x++) {
if (nbodies[x].body) {
nbodies[x].body.applyImpulse(
new CANNON.Vec3(
((Math.random() * 12) - 6),
((Math.random() * 12) - 6),
((Math.random() * 12) - 6)),
new CANNON.Vec3().copy(nbodies[x].getAttribute('position'))
)
}
}
}
</script>
<!-- GitHub Corner. -->
<a href="https://github.com/brodavi/aframe-nbody-system" class="github-corner">
<svg width="80" height="80" viewBox="0 0 250 250" style="fill:#222; color:#fff; position: absolute; top: 0; border: 0; right: 0;">
<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path>
</svg>
</a>
<style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}
<!-- End GitHub Corner. -->
</body>
</html>