X-Git-Url: https://gitweb.ps.run/cloth_sim/blobdiff_plain/60b7eb713036545e4046a16cfd3d312b8837938c..f48718f397ffbc1eb006460c495cf260668bd545:/Scripts/main.js

diff --git a/Scripts/main.js b/Scripts/main.js
index 4e7c2ef..fc797c8 100644
--- a/Scripts/main.js
+++ b/Scripts/main.js
@@ -1,42 +1,24 @@
 import { Face, Spring, Cloth } from './cloth.js';
+import { OrbitControls } from './OrbitControls.js';
 
+function addLights(scene){
+  
+  scene.add( new THREE.AmbientLight( 0x222222 ) );
 
-/**
- * rendering
- * Einheiten konsistent
- * Wind
- * evtl. an Stoff ziehen
- */
-
-
-class Point {
-  constructor(x, y) {
-    this.x = x;
-    this.y = y;
-  }
-
-  add(that) {
-    return new Point(
-      this.x + that.x,
-      this.y + that.y
-    );
-  }
+  const light1 = new THREE.PointLight( 0xffffff, 1, 50 );
+  light1.position.set( 15, 1, 40 );
+  scene.add( light1 );
 
-  sub(that) {
-    return new Point(
-      this.x - that.x,
-      this.y - that.y
-    );
-  }
+  const light2 = new THREE.PointLight( 0xffffff, 1, 50 );
+  light2.position.set( -15, 0, 40 );
+  scene.add( light2 );
 
-  dist(that) {
-    let a = this.x - that.x;
-    let b = this.y - that.y;
-    return Math.sqrt(a * a + b * b)
-  }
+  const light3 = new THREE.PointLight( 0xffffff, 1, 50 );
+  light3.position.set( 0, -1, 40 );
+  scene.add( light3 );
+  
 }
 
-
 /**
  * setup THREE JS Scene, Camera and Renderer
  */
@@ -46,17 +28,39 @@ 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 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];
 }
 
@@ -64,7 +68,7 @@ function setup_scene(canvasSpace) {
 document.body.onload = init;
 
 function init() {
-  let mousePos = new Point();
+  let mousePos = new THREE.Vector2();
   let previousClothSimulation;
   
   /**
@@ -81,25 +85,26 @@ function init() {
   
   /** setup cloth and generate debug mesh */
   let cloth = new Cloth();
-  cloth.createBasic(10, 10, 10, 10);
+  cloth.createBasic(1, 0.5, 20, 20);
+  document.getElementById("windToggle").onchange = (e) => {
+    if (e.target.checked)
+      cloth.windFactor.set(0.5, 0.2, 0.2);
+    else
+      cloth.windFactor.set(0, 0, 0);
+  };
   //cloth.createDebugMesh(scene);
 
-  //const material = new THREE.MeshBasicMaterial({ color: 0x0000ff, side: THREE.DoubleSide });
-  const material = new THREE.MeshPhongMaterial({ 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( 0x666666 ) );
+  scene.add(mesh);
 
-  const light = new THREE.DirectionalLight( 0xffffff, 0.5 );
-  light.position.set( 0, 1, 0.5 );
-  scene.add( light );
 
+  
+  let raycaster = new THREE.Raycaster();
+  let intersects;
+  let rightMousePressed;
   /**
    * function called every frame
    * @param {number} dt - time passed since last frame in ms
@@ -107,17 +112,27 @@ function init() {
   function animate(dt) {
     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 && rightMousePressed) {
+      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;
   }
@@ -132,9 +147,55 @@ 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