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app.js
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app.js
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let scene, camera, renderer, controls;
const canvas = document.querySelector( '#app' );
if ( THREE.WEBGL.isWebGL2Available() ) {
init();
render();
} else {
document.body.appendChild( THREE.WEBGL.getWebGL2ErrorMessage() );
}
function init() {
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( 75, canvas.clientWidth / canvas.clientHeight, 0.1, 1000 );
renderer = new THREE.WebGLRenderer( {
canvas,
antialias: true
} );
controls = new THREE.OrbitControls( camera, renderer.domElement );
scene.background = new THREE.Color( 0xdddddd );
camera.position.set( 0, 3, 10 );
renderer.setSize( canvas.clientWidth, canvas.clientHeight );
renderer.setPixelRatio( window.devicePixelRatio );
controls.enableDamping = true;
kickstart( scene );
}
function render() {
requestAnimationFrame( render );
if ( canvas.width !== canvas.clientWidth || canvas.height !== canvas.clientHeight ) {
onCanvasResize();
}
controls.update();
renderer.render( scene, camera );
}
function onCanvasResize() {
renderer.setSize( canvas.clientWidth, canvas.clientHeight );
camera.aspect = canvas.clientWidth / canvas.clientHeight;
camera.updateProjectionMatrix();
}