js set canvas size
canvas.width = 300;
// or, if you only have the context
ctx.canvas.width = 300;js set canvas size
canvas.width = 300;
// or, if you only have the context
ctx.canvas.width = 300;how to set three js canvas width 100%
"use strict";
const renderer = new THREE.WebGLRenderer();
document.body.appendChild(renderer.domElement);
// There's no reason to set the aspect here because we're going
// to set it every frame anyway so we'll set it to 2 since 2
// is the the aspect for the canvas default size (300w/150h = 2)
const camera = new THREE.PerspectiveCamera(70, 2, 1, 1000);
camera.position.z = 400;
const scene = new THREE.Scene();
const geometry = new THREE.BoxGeometry(200, 200, 200);
const material = new THREE.MeshPhongMaterial({
color: 0x555555,
specular: 0xffffff,
shininess: 50,
shading: THREE.SmoothShading
});
const mesh = new THREE.Mesh(geometry, material);
scene.add(mesh);
const light1 = new THREE.PointLight(0xff80C0, 2, 0);
light1.position.set(200, 100, 300);
scene.add(light1);
function resizeCanvasToDisplaySize() {
const canvas = renderer.domElement;
const width = canvas.clientWidth;
const height = canvas.clientHeight;
if (canvas.width !== width ||canvas.height !== height) {
// you must pass false here or three.js sadly fights the browser
renderer.setSize(width, height, false);
camera.aspect = width / height;
camera.updateProjectionMatrix();
// set render target sizes here
}
}
function animate(time) {
time *= 0.001; // seconds
resizeCanvasToDisplaySize();
mesh.rotation.x = time * 0.5;
mesh.rotation.y = time * 1;
renderer.render(scene, camera);
requestAnimationFrame(animate);
}
requestAnimationFrame(animate);Copyright © 2021 Codeinu
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