X-Git-Url: https://gitweb.ps.run/cloth_sim/blobdiff_plain/4079007a1ed290280e228b93432129c4a262dae9..1e3751f45e04a76ce2b11c67aa70e7c65efaad89:/Scripts/main.js diff --git a/Scripts/main.js b/Scripts/main.js index a0387ac..c269982 100644 --- a/Scripts/main.js +++ b/Scripts/main.js @@ -1,33 +1,12 @@ import { Face, Spring, Cloth } from './cloth.js'; -class Point { - constructor(x, y) { - this.x = x; - this.y = y; - } - - add(that) { - return new Point( - this.x + that.x, - this.y + that.y - ); - } - - sub(that) { - return new Point( - this.x - that.x, - this.y - that.y - ); - } - - dist(that) { - let a = this.x - that.x; - let b = this.y - that.y; - return Math.sqrt(a * a + b * b) - } -} - +/** + * rendering + * Einheiten konsistent + * Wind + * evtl. an Stoff ziehen + */ /** * setup THREE JS Scene, Camera and Renderer @@ -56,40 +35,79 @@ function setup_scene(canvasSpace) { document.body.onload = init; function init() { - let mousePos = new Point(); - + let mousePos = new THREE.Vector2(); + let previousClothSimulation; + /** * Space left empty under canvas * for UI elements */ const canvasSpace = 200; + /** Constant Frame Time */ + const frameTime = 1000.0 / 60.0; + /** Setup scene */ let [scene, camera, renderer] = setup_scene(canvasSpace); /** setup cloth and generate debug mesh */ let cloth = new Cloth(); - cloth.createBasic(10, 10, 5, 5); - cloth.createDebugMesh(scene); + cloth.createBasic(10, 10, 10, 10); + //cloth.createDebugMesh(scene); - const material = new THREE.MeshBasicMaterial({ color: 0x0000ff }); + //const material = new THREE.MeshBasicMaterial({ color: 0x0000ff, side: THREE.DoubleSide }); + const material = new THREE.MeshStandardMaterial({ color: 0xC70039, side: THREE.DoubleSide, flatShading: false }); const mesh = new THREE.Mesh(cloth.geometry, material); + //const mesh = new THREE.WireframeGeometry(cloth.geometry); + //const line = new THREE.LineSegments(mesh); + //line.material.depthTest = false; + //line.material.opacity = 0.25; + //line.material.transparent = true; scene.add(mesh); + scene.add( new THREE.AmbientLight( 0x222222 ) ); + + const light1 = new THREE.PointLight( 0xffffff, 1, 50 ); + light1.position.set( 15, 1, 40 ); + scene.add( light1 ); + const light2 = new THREE.PointLight( 0xffffff, 1, 50 ); + light2.position.set( -15, 0, 40 ); + scene.add( light2 ); + const light3 = new THREE.PointLight( 0xffffff, 1, 50 ); + light3.position.set( 0, -1, 40 ); + scene.add( light3 ); + + let raycaster = new THREE.Raycaster(); + let intersects; + let rightMousePressed; /** * function called every frame - * @param {number} dt - time passed since last frame + * @param {number} dt - time passed since last frame in ms */ function animate(dt) { - requestAnimationFrame(animate); + cloth.simulate(dt/1000); + + raycaster.setFromCamera( new THREE.Vector2((mousePos.x / w) * 2 - 1, ((h - mousePos.y) / h) * 2 - 1), camera ); + + intersects = raycaster.intersectObject( mesh ); + + if ( intersects.length > 0 ) { + cloth.wind(intersects); + } + setTimeout(() => { + animate(frameTime); + }, frameTime); renderer.render(scene, camera); } + /** add callback for window resize */ let canvas = document.getElementsByTagName("canvas")[0]; + let w = window.innerWidth; + let h = window.innerHeight - canvasSpace; let resize = function () { - let w = window.innerWidth; - let h = window.innerHeight - 200; + w = window.innerWidth; + h = window.innerHeight - canvasSpace; canvas.width = w; canvas.height = h; } @@ -104,9 +122,39 @@ function init() { animate(performance.now()); } + + /** add mouse move callback */ canvas.onmousemove = (evt) => { mousePos.x = evt.clientX; mousePos.y = evt.clientY; + + var vec = new THREE.Vector3(); // create once and reuse + var pos = new THREE.Vector3(); // create once and reuse + + vec.set( + ( evt.clientX / window.innerWidth ) * 2 - 1, + - ( evt.clientY / window.innerHeight ) * 2 + 1, + 0.5 ); + + vec.unproject( camera ); + + vec.sub( camera.position ).normalize(); + + var distance = - camera.position.z / vec.z; + + pos.copy( camera.position ).add( vec.multiplyScalar( distance ) ); + + cloth.mouseMove(pos); }; + + canvas.onmousedown = (evt) => { + if(intersects.length > 0){ + cloth.mousePress(intersects); + } + } + + canvas.onmouseup = (evt) => { + cloth.mouseRelease(); + } } \ No newline at end of file