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POthree.js camera like biodigitalhuman.com camera
 

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  1. POthree.js camera like biodigitalhuman.com camera
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    <p>I am a new developer and use Three.js for creating 3D screens. my problem is, i want to rotate camera around 3D object like in <a href="https://www.biodigitalhuman.com/" rel="nofollow">as this site control its camera</a> </p> <p>This script is one of my efforts to rotate camera around object smoothly .</p> <pre><code> &lt;!DOCTYPE html&gt; &lt;html lang="en"&gt; &lt;head&gt; &lt;title&gt;three.js webgl - materials - cube reflection / refraction [Walt]&lt;/title&gt; &lt;meta charset="utf-8"&gt; &lt;meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0"&gt; &lt;/head&gt; &lt;body&gt; &lt;script src="js/libs/three.js-r50/three.js"&gt;&lt;/script&gt; &lt;script src="js/libs/Detector.js"&gt;&lt;/script&gt; &lt;script src="js/libs/stats.min.js"&gt;&lt;/script&gt; &lt;button onclick="rotateCameraDown();"&gt;Down&lt;/button&gt; &lt;button onclick="rotateCameraUp();"&gt;UP&lt;/button&gt; &lt;button onclick="rotateCameraRight();"&gt;Right&lt;/button&gt; &lt;button onclick="rotateCameraLeft();"&gt;Left&lt;/button&gt; &lt;script&gt; var r , phi , theta; var camera, scene, renderer; var geometry, material, redCube, greenCube; init(); animate(); function updateAngles(){ var vec = new THREE.Vector3(); vec.z =r * Math.sin(theta) * Math.cos(phi) +redCube.position.z; vec.x =r * Math.sin(theta) * Math.sin(phi) + redCube.position.x; vec.y =r * Math.cos(theta) + redCube.position.y; console.log("vec.x "+vec.x+" : "+vec.y+" : "+vec.z+" theta:"+theta+" phi:"+phi); return vec; } function rotateCameraRight(){ phi += Math.PI/40 ; camera.position = updateAngles(); camera.lookAt(redCube.position); } function rotateCameraLeft(){ phi -= Math.PI/40 ; camera.position = updateAngles(); camera.lookAt(redCube.position); } function rotateCameraDown() { theta += Math.PI/40 ; camera.position = updateAngles(); camera.lookAt(redCube.position); }; function rotateCameraUp() { theta -= Math.PI/40 ; camera.position = updateAngles(); camera.lookAt(redCube.position); }; function init() { r = 5; phi = 0; theta = Math.PI/4; camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 1, 10000); scene = new THREE.Scene(); renderer = new THREE.CanvasRenderer(); renderer.setSize(window.innerWidth, window.innerHeight); document.body.appendChild(renderer.domElement); geometry = new THREE.CubeGeometry(2, 2, 2); material = new THREE.MeshBasicMaterial({ color:0xff0000,wireframe:true }); redCube = new THREE.Mesh(geometry, material); redCube.position.z = 5; redCube.position.y = 5; redCube.position.x = 5; camera.lookAt(redCube.position); scene.add(redCube); scene.add(camera); } function animate() { requestAnimationFrame(animate); renderer.render(scene, camera); } &lt;/script&gt; &lt;/body&gt; &lt;/html&gt; </code></pre>
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    1. USMahmoud Elgohary
    1. USMahmoud Elgohary
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      1. POthree.js camera like biodigitalhuman.com camera
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      1. VTUpMod
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      1. POthree.js camera like biodigitalhuman.com camera
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    1. COCan you describe what isn't working about your current code?
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      1. POthree.js camera like biodigitalhuman.com camera
      1. USXymostech
    2. COTo get the most out of SO, you need to phrase your question better and try and spell things out correctly. Also, as @Xymostech says, please define what you have tried and what is not working.
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      1. POthree.js camera like biodigitalhuman.com camera
      1. USsimonmorley
    3. COthis rotation not dependent for position as i see in the target example in biodigitalhuman.com if you rotate cam Up and than right it didn't work well
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      1. POthree.js camera like biodigitalhuman.com camera
      1. USMahmoud Elgohary
 

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