Created
December 11, 2016 23:18
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Rover Visualizer
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| function PoseVisualizer(el, width, height) { | |
| this.el = el; | |
| this.scene = new THREE.Scene(); | |
| this.camera = camera = new THREE.PerspectiveCamera( 45, width/height, 1, 10000 ); | |
| this.camera.position.z = 1000; | |
| this.camera.position.y = 500; | |
| this.camera.lookAt( new THREE.Vector3(0, 0, 0) ); | |
| boxgeo = new THREE.BoxGeometry(400, 100, 400); | |
| edgegeo = new THREE.EdgesGeometry( boxgeo ); | |
| edges = new THREE.LineSegments( edgegeo, new THREE.LineBasicMaterial({ | |
| color: 0xffffff, linewidth: 2 | |
| })); | |
| this.mesh = new THREE.Object3D(); | |
| this.mesh.add( new THREE.Mesh( boxgeo, new THREE.MeshPhongMaterial({ | |
| color: 0x156289, emissive: 0x072534, side: THREE.DoubleSide, | |
| shading: THREE.FlatShading | |
| }))); | |
| this.mesh.add(edges); | |
| var dir = new THREE.Vector3(1, 0, 0); | |
| var origin = boxgeo.center(); | |
| var length = 450; | |
| var hex = 0xff0000; | |
| var xarrow = new THREE.ArrowHelper(dir, origin, length, hex); | |
| this.mesh.add(xarrow); | |
| dir = new THREE.Vector3(0, 0, -1); | |
| var yarrow = new THREE.ArrowHelper(dir, origin, length, hex) | |
| this.mesh.add(yarrow); | |
| dir = new THREE.Vector3(0, 1, 0); | |
| var zarrow = new THREE.ArrowHelper(dir, origin, length/2, hex); | |
| this.mesh.add(zarrow); | |
| this.scene.add(this.mesh); | |
| var light = new THREE.AmbientLight(); | |
| this.scene.add(light); | |
| this.renderer = new THREE.WebGLRenderer({ antialias: true }); | |
| this.renderer.setSize( width, height ); | |
| el.appendChild( this.renderer.domElement ); | |
| this.renderer.render(this.scene, this.camera); | |
| var self = this; | |
| this.animate = function() { | |
| requestAnimationFrame(self.animate); | |
| TWEEN.update(); | |
| self.renderer.render(self.scene, self.camera); | |
| } | |
| this.setRotation = function(pitch, roll) { | |
| new TWEEN.Tween( this.mesh.rotation ).to( { x: pitch, z: roll }, 500).start(); | |
| }; | |
| this.animate(); | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="three.min.js"></script> | |
| <script src="tween.js"></script> | |
| </head> | |
| <body> | |
| <script src="pose_visualizer.js"></script> | |
| <div id="pose" width="500" height="500"></div> | |
| <script> | |
| function calculateAngles(x_accel, y_accel, z_accel) { | |
| return { | |
| roll: Math.atan(x_accel/Math.sqrt(y_accel*y_accel + z_accel*z_accel)), | |
| pitch: Math.atan(y_accel/Math.sqrt(x_accel*x_accel + z_accel*z_accel)) | |
| }; | |
| } | |
| el = document.getElementById("pose"); | |
| width = 500; | |
| height = 300; | |
| vis = new PoseVisualizer(el, width, height); | |
| pitch = 0; | |
| roll = 0; | |
| setInterval(function() { | |
| if( pitch == 0 && roll == 0) { | |
| pitch = Math.PI/4; | |
| roll = Math.PI/4; | |
| } else { | |
| pitch = 0; | |
| roll = 0; | |
| } | |
| vis.setRotation(pitch, roll); | |
| }, 1000); | |
| </script> | |
| </body> | |
| </html> |
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Download three.js: http://threejs.org/build/three.min.js
Download tween.js: https://raw.githubusercontent.com/tweenjs/tween.js/master/src/Tween.js