X-Git-Url: https://gitweb.ps.run/cloth_sim/blobdiff_plain/79bcaf1ac3d8bc90b697c444ff5dfb694acb6962..8bf51c36d322cb8d4f099d3475563ee4e520ab92:/Scripts/main.js diff --git a/Scripts/main.js b/Scripts/main.js index 4c57ff9..5e68a4f 100644 --- a/Scripts/main.js +++ b/Scripts/main.js @@ -1,12 +1,20 @@ -import { Face, Spring, Cloth } from './cloth.js'; -/** - * rendering - * Einheiten konsistent - * Wind - * evtl. an Stoff ziehen - */ +function addLights(scene){ + 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 ); +} /** * setup THREE JS Scene, Camera and Renderer @@ -17,17 +25,39 @@ function setup_scene(canvasSpace) { const renderer = new THREE.WebGLRenderer(); /** size canvas to leave some space for UI */ renderer.setSize(window.innerWidth, window.innerHeight - canvasSpace); + renderer.antialias = true; /** embed canvas in HTML */ document.getElementById("threejscontainer").appendChild(renderer.domElement); + /** add orbit controls */ + const controls = new THREE.OrbitControls(camera, renderer.domElement); + controls.target.set(0, 0, 0); + controls.update(); + + /** add scene background */ + const loader = new THREE.TextureLoader(); + const texture = loader.load( + 'Textures/tears_of_steel_bridge_2k.jpg', + () => { + const rt = new THREE.WebGLCubeRenderTarget(texture.image.height); + rt.fromEquirectangularTexture(renderer, texture); + scene.background = rt; + }); + + /** add flag pole */ + const geometry = new THREE.CylinderGeometry( 0.02, 0.02, 5, 32 ); + const material = new THREE.MeshStandardMaterial( {color: 0xffffff} ); + const cylinder = new THREE.Mesh( geometry, material ); + cylinder.position.set(-0.5, -2.25, 0); + scene.add( cylinder ); + /** add global light */ const directionalLight = new THREE.DirectionalLight(0xffffff, 1); scene.add(directionalLight); /** position camera */ - camera.position.y = 5; - camera.position.z = 10; - + camera.position.z = 2; + addLights(scene); return [scene, camera, renderer]; } @@ -36,7 +66,6 @@ document.body.onload = init; function init() { let mousePos = new THREE.Vector2(); - let previousClothSimulation; /** * Space left empty under canvas @@ -45,54 +74,45 @@ function init() { const canvasSpace = 200; /** Constant Frame Time */ - const frameTime = 1000.0 / 60.0; + const frameTime = 1000.0 / 200.0; /** Setup scene */ let [scene, camera, renderer] = setup_scene(canvasSpace); - /** setup cloth and generate debug mesh */ - let cloth = new Cloth(); - cloth.createBasic(10, 10, 50, 50); - //cloth.createDebugMesh(scene); - - //const material = new THREE.MeshBasicMaterial({ color: 0x0000ff, side: THREE.DoubleSide }); - const material = new THREE.MeshStandardMaterial({ color: 0x0000ff, 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, 100 ); - light1.position.set( 2, 1, 80 ); - scene.add( light1 ); - const light2 = new THREE.PointLight( 0xffffff, 1, 100 ); - light2.position.set( -2, 1, 80 ); - scene.add( light2 ); - const light3 = new THREE.PointLight( 0xffffff, 1, 100 ); - light3.position.set( 0, -1, 80 ); - scene.add( light3 ); + const loader = new THREE.TextureLoader(); + //Red color: 0xC70039 + + const cloth = new Cloth(1, 0.5, 20, 20); + const clothGeometry = cloth.generateGeometry(); + const clothMaterial = new THREE.MeshStandardMaterial({ map: loader.load('Textures/hsrm.jpg'), color: 0xffffff, side: THREE.DoubleSide, flatShading: false}); + //const clothMaterial = new THREE.MeshStandardMaterial({ color: 0xC70039, side: THREE.DoubleSide, flatShading: false }); + const clothMesh = new THREE.Mesh(clothGeometry, clothMaterial); + scene.add(clothMesh); - let raycaster = new THREE.Raycaster(); + document.getElementById("windToggle").checked = options.wind; + document.getElementById("windToggle").onchange = (e) => { + options.wind = e.target.checked; + }; + let raycaster = new THREE.Raycaster(); + let intersects; + let rightMousePressed; /** * function called every frame * @param {number} dt - time passed since last frame in ms */ function animate(dt) { - cloth.simulate(dt/1000); + cloth.simulate(dt / 1000); + cloth.updateGeometry(clothGeometry); + raycaster.setFromCamera( new THREE.Vector2((mousePos.x / w) * 2 - 1, ((h - mousePos.y) / h) * 2 - 1), camera ); - const intersects = raycaster.intersectObject( mesh ); + // intersects = raycaster.intersectObject( mesh ); - if ( intersects.length > 0 ) { - cloth.wind(intersects); - } + // if ( intersects.length > 0 && rightMousePressed) { + // // Cloth mouse interaction + // } setTimeout(() => { animate(frameTime); }, frameTime); @@ -121,9 +141,55 @@ function init() { animate(performance.now()); } + + /** add mouse move callback */ canvas.onmousemove = (evt) => { mousePos.x = evt.clientX; mousePos.y = evt.clientY; + + //cloth.mouseMove(calculateMousePosToWorld(evt)); }; + + /** + * Prevent context menu while blowing wind + */ + canvas.addEventListener('contextmenu', function(evt) { + evt.preventDefault(); + }, false); + + + canvas.onmousedown = (evt) => { + + // Check mouse click + rightMousePressed = evt.button == 2; + + if(intersects.length > 0 && evt.button == 0){ + //cloth.mousePress(intersects); + } + } + + canvas.onmouseup = (evt) => { + //cloth.mouseRelease(); + rightMousePressed = false; + } + + function calculateMousePosToWorld(evt){ + 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 ) ); + return pos; + } } \ No newline at end of file