X-Git-Url: https://gitweb.ps.run/cloth_sim/blobdiff_plain/f97f4ee25759ffaa6a4d4709f45fc8b7b5b24973..959c350fb8cddf7d1b31907fcc1f7f99dad52f3e:/Scripts/main.js

diff --git a/Scripts/main.js b/Scripts/main.js
deleted file mode 100644
index 1a30f7a..0000000
--- a/Scripts/main.js
+++ /dev/null
@@ -1,210 +0,0 @@
-
-
-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
- */
-function setup_scene(canvasSpace) {
-  const scene = new THREE.Scene();
-  const camera = new THREE.PerspectiveCamera(75, window.innerWidth / (window.innerHeight - canvasSpace), 0.1, 1000);
-  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.z = 2;
-  addLights(scene);
-  return [scene, camera, renderer];
-}
-
-/** call "init" when document is fully loaded */
-document.body.onload = init;
-
-function init() {
-  let mousePos = new THREE.Vector2();
-  
-  /**
-   * Space left empty under canvas
-   * for UI elements
-   */
-  const canvasSpace = 200;
-
-  /** Constant Frame Time */
-  const frameTime = 1000.0 / 200.0;
-
-  /** Setup scene */
-  let [scene, camera, renderer] = setup_scene(canvasSpace);
-  
-  const loader = new THREE.TextureLoader();
-  //Red color: 0xC70039
-
-  /** Create cloth and generate mesh */
-  const cloth = new Cloth(1, 0.5, 20, 20);
-  const clothGeometry = cloth.generateGeometry();
-  const clothMaterial = new THREE.MeshStandardMaterial({ map: loader.load('Textures/hsrm2.png'), 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);
-  
-  /** Register wind checkbox */
-  document.getElementById("windToggle").checked = options.wind;
-  document.getElementById("windToggle").onchange = (e) => {
-    options.wind = e.target.checked;
-  };
-
-  let raycaster = new THREE.Raycaster();
-  let intersects;
-  let windKeyDown = false;
-  let dragKeyDown = false;
-  let draggedIndex = -1;
-  /**
-   * function called every frame
-   * @param {number} dt - time passed since last frame in ms
-   */
-  function animate(dt) {
-    /** run simulation step */
-    cloth.simulate(dt / 1000);
-
-    cloth.updateGeometry(clothGeometry);
-
-    /** raycast from camera to cursor */
-    raycaster.setFromCamera(new THREE.Vector2((mousePos.x / w) * 2 - 1, ((h - mousePos.y) / h) * 2 - 1), camera);
-    intersects = raycaster.intersectObject(clothMesh);
-
-    /** provide user interaction */
-    if (intersects.length > 0) {
-      if (windKeyDown)
-        cloth.blow(camera.position, intersects);
-      /** "grab" vertex index */
-      if (dragKeyDown && draggedIndex == -1)
-        draggedIndex = intersects[0].face.a;
-    }
-    if (dragKeyDown && draggedIndex != -1)
-      cloth.drag(calculateMousePosToWorld(mousePos), draggedIndex);
-
-    /** queue next frame */
-    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 () {
-    w = window.innerWidth;
-    h = window.innerHeight - canvasSpace;
-    canvas.width = w;
-    canvas.height = h;
-  }
-  window.onresize = resize;
-  resize();
-
-  /**
-   * if canvas has been successfully initialized
-   * start rendering
-   */
-  if (canvas.getContext) {
-    animate(frameTime);
-  }
-
-  
-
-  /** add mouse move callback */
-  canvas.onmousemove = (evt) => {
-    mousePos.x = evt.clientX;
-    mousePos.y = evt.clientY;
-  };
-
-  /**
-   * Prevent context menu while blowing wind
-   */
-  canvas.addEventListener('contextmenu', function(evt) { 
-    evt.preventDefault();
-  }, false);
-
-  /** register key events */
-  document.onkeydown = (evt) => {
-    if (evt.code === "KeyW")
-      windKeyDown = true;
-    if (evt.code === "KeyD")
-      dragKeyDown = true;
-  };
-
-  document.onkeyup = (evt) => {
-    if (evt.code === "KeyW")
-      windKeyDown = false;
-    if (evt.code === "KeyD") {
-      dragKeyDown = false;
-      draggedIndex = -1;
-    }
-  };
-
-  /** helper function to turn mouse position into 3D coordinates */
-  function calculateMousePosToWorld(mousePos){
-    var vec = new THREE.Vector3(); // create once and reuse
-    var pos = new THREE.Vector3(); // create once and reuse
-
-    vec.set(
-      (mousePos.x / window.innerWidth) * 2 - 1,
-    - (mousePos.y / 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;
-  }
-}
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