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Refactors component updates to minimize the number of string parsings and
component data stringifications (fixes #1311)
1 parent 57fc8cb commit 8786b25

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+437
-246
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‎examples/stress-animation/index.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Animation</title>
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<meta name="description" content="Animation - A-Frame">
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<script src="../../dist/aframe.js"></script>
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</head>
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<body>
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<a-scene stats="true">
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<a-assets>
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<a-mixin id="ball" geometry="primitive: sphere; radius:1" material="shader: flat; color: red">
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</a-mixin>
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<a-mixin id="opacity" attribute="material.opacity" dur="2000" direction="alternate" fill="forwards"
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ease="linear" repeat="indefinite" from="0.3" to="1.0"><a-mixin>
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<a-mixin id="spin" attribute="rotation" dur="4000"
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repeat="indefinite" easing="linear" dur="3000" to="0 0 360"><a-mixin>
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</a-assets>
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<a-entity position="0 0 80">
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<a-entity camera look-controls wasd-controls></a-entity>
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</a-entity>
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<a-entity id="fans"></a-entity>
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</a-scene>
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</body>
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<script>
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var i;
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var fansEl = document.querySelector('#fans');
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var numRows = 4;
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var numFans = 3
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var numFanRows = 3;
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var numBalls = 11;
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var ball =
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'<a-entity>' +
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'<a-entity mixin="ball">' +
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'<a-animation mixin="opacity"></a-animation>' +
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'</a-entity>' +
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'</a-entity>';
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var ballEl;
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var rowEl;
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var ballInitX = -15;
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var fanInitX = -60;
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var fanInitY = -40;
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var offset;
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for (var n = 0; n < numFanRows; ++n) {
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var fanRow = document.createElement('a-entity');
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fanRow.setAttribute('position', { x: 0, y: fanInitY - (n * fanInitY), z: 0 });
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for (var k = 0; k < numFans; ++k) {
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var fanEl = document.createElement('a-entity');
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fanEl.setAttribute('position', { x: fanInitX - (k * fanInitX), y: 0, z: 0});
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var animationEl = document.createElement('a-animation');
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animationEl.setAttribute('mixin', 'spin');
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fanEl.appendChild(animationEl);
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for (var i = 0; i < numRows; ++i) {
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var rowEl = document.createElement('a-entity');
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rowEl.setAttribute('rotation', { x: 0, y: 0, z: i * (180 / numRows) });
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for (var j = 0; j < numBalls; ++j) {
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offset = ballInitX + 3 * j;
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if (offset === 0) { continue; }
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var ballEl = document.createElement('a-entity');
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ballEl.setAttribute('position', { x: ballInitX + 3 * j, y: 0, z: 0 });
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ballEl.innerHTML = ball;
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animationEl = ballEl.querySelector('a-animation');
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animationEl.setAttribute('begin', Math.random() * 2000);
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rowEl.appendChild(ballEl)
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}
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fanEl.appendChild(rowEl);
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}
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fanRow.appendChild(fanEl);
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}
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fansEl.appendChild(fanRow);
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}
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</script>
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</html>

‎src/components/camera.js‎

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@@ -19,13 +19,15 @@ module.exports.Component = registerComponent('camera', {
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*/
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init: function () {
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var camera = this.camera = new THREE.PerspectiveCamera();
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this.system.addCamera(this.el);
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this.el.setObject3D('camera', camera);
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},
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/**
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* Remove camera on remove (callback).
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*/
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remove: function () {
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this.system.removeCamera(this.el);
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this.el.removeObject3D('camera');
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},
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// If `active` property changes, or first update, handle active camera with system.
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if (data.active && system.activeCameraEl !== this.el) {
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// Camera enabled. Set camera to this camera.
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system.setActiveCamera(el, camera);
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system.setActiveCamera(el);
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} else if (!data.active && system.activeCameraEl === this.el) {
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// Camera disabled. Set camera to another camera.
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system.disableActiveCamera();

‎src/components/obj-model.js‎

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/* global HTMLElement */
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var debug = require('../utils/debug');
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var registerComponent = require('../core/component').registerComponent;
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var THREE = require('../lib/three');
@@ -39,7 +38,7 @@ module.exports.Component = registerComponent('obj-model', {
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if (mtlUrl) {
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// .OBJ with an .MTL.
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if (HTMLElement.prototype.getAttribute.call(el, 'material')) {
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if (el.components.material && el.components.material.attr !== undefined) {
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warn('Material component properties are ignored when a .MTL is provided');
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}
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mtlLoader.setBaseUrl(mtlUrl.substr(0, mtlUrl.lastIndexOf('/') + 1));

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