camera test

THREE.JS

by GyuSeonShin

HTML

<script src="http://threejs.org/build/three.min.js"></script>
<script src="http://threejs.org/examples/js/controls/OrbitControls.js"></script>

CSS

body {
	background-color: #000;
	margin: 0px;
	overflow: hidden;
}

JavaScript

// Simple Three.js example

var mesh, renderer, scene, camera, controls;

init();
animate();

function init() {

    // renderer
    renderer = new THREE.WebGLRenderer();
    renderer.setSize( window.innerWidth, window.innerHeight );
    document.body.appendChild( renderer.domElement );

    // scene
    scene = new THREE.Scene();
    
    // camera
    camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 10000 );
    camera.position.set( 0, 0, 70 );
    camera.lookAt( 0, 0, 0 );
    scene.add( camera ); // only required because the camera has a child

    // controls
    //controls = new THREE.OrbitControls( camera, renderer.domElement );
    
    // ambient
    scene.add( new THREE.AmbientLight( 0x222222 ) );
    
    // light
    var light = new THREE.PointLight( 0xffffff, 1 );
    camera.add( light );
    
    // axes
    scene.add( new THREE.AxisHelper( 20 ) );

    // geometry
    var geometry = new THREE.BoxGeometry( 5, 5, 5 );
    
    // material
    var material = new THREE.MeshLambertMaterial( {
        color: 0xff0000, 
        polygonOffset: true, polygonOffsetFactor: 1, polygonOffsetUnits: 1,
        shading: THREE.FlatShading,
        transparent: false,
        opacity: 1.0
    } );
    
    // mesh
    mesh = new THREE.Mesh( geometry, material );
    scene.add( mesh );
    
    var helper = new THREE.BoxHelper( mesh );
    helper.material.color.set( 0xffffff );
    helper.material.linewidth = 3; // may no longer be supported on some platforms
    scene.add( helper );

}


function onMouseDown( event ) {
	mousedown = true;
}

var mousedown = false;

function onMouseUp( event ) {
	mousedown = false;
}

function animate() {

    requestAnimationFrame( animate );

    renderer.render( scene, camera );

}
var previousMousePosition = { x: 0, y: 0 };


function onMouseMove( e ) {
	if( mousedown ) {
  	    //console.log(e);
    var deltaMove = {
        x: e.offsetX-previousMousePosition.x,
        y:...