X-Git-Url: https://gitweb.ps.run/cloth_sim/blobdiff_plain/922aa01da3aa479023c94bb5c016d437f94b6f93..b9cfb0c7bf25e9ebc0c21e0b32665113ea46f7b5:/Scripts/main.js

diff --git a/Scripts/main.js b/Scripts/main.js
index 1f26606..e69de29 100644
--- a/Scripts/main.js
+++ b/Scripts/main.js
@@ -1,205 +0,0 @@
-function init() {
-  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)
-    }
-  }
-
-  function vectorLength(a, b) {
-    let v1 = new THREE.Vector3();
-    v1.set(a.x, a.y, a.z);
-    let v2 = new THREE.Vector3();
-    v2.set(b.x, b.y, b.z);
-
-    return v1.sub(v2).length();
-  }
-
-  class Face {
-    a;
-    b;
-    c;
-    d;
-
-    springs = [];
-
-    constructor(a, b, c, d) {
-      this.a = a;
-      this.b = b;
-      this.c = c;
-      this.d = d;
-    }
-  }
-
-  class Spring {
-    restLength;
-    currentLength;
-    index1;
-    index2;
-
-    constructor(vertices, index1, index2) {
-      this.index1 = index1;
-      this.index2 = index2;
-
-      let length = vectorLength(vertices[index1], vertices[index2]);
-      this.restLength = length;
-      this.currentLength = length;
-    }
-  }
-
-  class Cloth {
-    VertexWeight = 1;
-
-    geometry = new THREE.Geometry();
-
-    faces = [];
-
-    vertexWeights = [];
-
-    static CreateBasic(width, height, numPointsWidth, numPointsHeight) {
-      let vertices = [];
-      let faces = [];
-
-      let stepWidth = width / (numPointsWidth - 1);
-      let stepHeight = height / (numPointsHeight - 1);
-
-      for (let y = 0; y < numPointsHeight; y++) {
-        for (let x = 0; x < numPointsWidth; x++) {
-          vertices.push(
-            new THREE.Vector3(x * stepWidth, height - y * stepHeight, 0)
-          );
-        }
-      }
-
-      function getVertexIndex(x, y) {
-        return y * numPointsWidth + x;
-      }
-      
-      for (let y = 0; y < numPointsHeight - 1; y++) {
-        for (let x = 0; x < numPointsWidth - 1; x++) {
-          let newFace = new Face(
-            getVertexIndex(x, y),
-            getVertexIndex(x, y + 1),
-            getVertexIndex(x + 1, y),
-            getVertexIndex(x + 1, y + 1),
-          );
-
-          newFace.springs.push(new Spring(vertices, getVertexIndex(x, y), getVertexIndex(x + 1, y)));
-          newFace.springs.push(new Spring(vertices, getVertexIndex(x, y), getVertexIndex(x, y + 1)));
-          newFace.springs.push(new Spring(vertices, getVertexIndex(x, y), getVertexIndex(x + 1, y + 1)));
-          newFace.springs.push(new Spring(vertices, getVertexIndex(x + 1, y), getVertexIndex(x, y + 1)));
-          newFace.springs.push(new Spring(vertices, getVertexIndex(x + 1, y), getVertexIndex(x + 1, y + 1)));
-          newFace.springs.push(new Spring(vertices, getVertexIndex(x, y + 1), getVertexIndex(x + 1, y + 1)));
-          
-          faces.push(newFace);
-        }
-      }
-
-      return this.CreateExplicit(vertices, faces);
-    }
-
-    static CreateExplicit(vertices, faces) {
-      let result = new Cloth();
-
-      for (let i in vertices) {
-        result.geometry.vertices.push(vertices[i]);
-        result.vertexWeights.push(0);
-      }
-      console.log(vertices);
-      for (let i in faces) {
-        let face = faces[i];
-
-        result.geometry.faces.push(new THREE.Face3(
-          face.a, face.b, face.c
-        ));
-        result.geometry.faces.push(new THREE.Face3(
-          face.c, face.b, face.d
-        ));
-
-        console.log(face);
-        
-        let xLength = vectorLength(result.geometry.vertices[face.b], result.geometry.vertices[face.a]);
-        let yLength = vectorLength(result.geometry.vertices[face.c], result.geometry.vertices[face.a]);
-        let weight = xLength * yLength / 2;
-
-        xLength = vectorLength(result.geometry.vertices[face.b], result.geometry.vertices[face.d]);
-        yLength = vectorLength(result.geometry.vertices[face.c], result.geometry.vertices[face.d]);
-        weight += xLength * yLength / 2;
-
-        result.vertexWeights[face.a] += weight / 4;
-        result.vertexWeights[face.b] += weight / 4;
-        result.vertexWeights[face.c] += weight / 4;
-        result.vertexWeights[face.d] += weight / 4;
-      }
-
-      result.geometry.computeBoundingSphere();
-
-      return result;
-    }
-  }
-
-  let mousePos = new Point();
-
-  const canvasSpace = 200;
-
-  const scene = new THREE.Scene();
-  const camera = new THREE.PerspectiveCamera(75, window.innerWidth / (window.innerHeight - canvasSpace), 0.1, 1000);
-
-  const renderer = new THREE.WebGLRenderer();
-  renderer.setSize(window.innerWidth, window.innerHeight - canvasSpace);
-  document.getElementById("threejscontainer").appendChild(renderer.domElement);
-
-  const directionalLight = new THREE.DirectionalLight(0xffffff, 1);
-  scene.add(directionalLight);
-
-  let cloth = Cloth.CreateBasic(10, 10, 5, 5);
-  const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 });
-  const mesh = new THREE.Mesh(cloth.geometry, material);
-  scene.add(mesh);
-
-  camera.position.y = 5;
-  camera.position.z = 10;
-
-  function animate(dt) {
-    requestAnimationFrame(animate);
-    renderer.render(scene, camera);
-  }
-
-  let canvas = document.getElementsByTagName("canvas")[0];
-  let resize = function () {
-    w = window.innerWidth;
-    h = window.innerHeight - 200;
-    canvas.width = w;
-    canvas.height = h;
-  }
-  window.onresize = resize;
-  resize();
-  if (canvas.getContext) {
-    ctx = canvas.getContext('2d');
-    animate(performance.now());
-  }
-  canvas.onmousemove = (evt) => {
-    mousePos.x = evt.clientX;
-    mousePos.y = evt.clientY;
-  };
-}
\ No newline at end of file