Render Vertices and Springs

[cloth_sim] / Scripts / main.js

diff --git a/Scripts/main.js b/Scripts/main.js
index 1f26606ebe8b0d325ca067c033bfe41558170f22..fb7a8b21c9dd444f48bb1809df003d524a85561f 100644 (file)
--- a/Scripts/main.js
+++ b/Scripts/main.js
@@ -76,7 +76,7 @@ function init() {
 \r
     vertexWeights = [];\r
 \r
 \r
     vertexWeights = [];\r
 \r

-    static CreateBasic(width, height, numPointsWidth, numPointsHeight) {\r
+    createBasic(width, height, numPointsWidth, numPointsHeight) {\r

       let vertices = [];\r
       let faces = [];\r
 \r
       let vertices = [];\r
       let faces = [];\r
 \r


@@ -115,46 +115,78 @@ function init() {
         }\r
       }\r
 \r
         }\r
       }\r
 \r

-      return this.CreateExplicit(vertices, faces);\r
+      this.createExplicit(vertices, faces);\r

     }\r
 \r
     }\r
 \r

-    static CreateExplicit(vertices, faces) {\r
-      let result = new Cloth();\r
-\r
+    createExplicit(vertices, faces) {\r

       for (let i in vertices) {\r
       for (let i in vertices) {\r

-        result.geometry.vertices.push(vertices[i]);\r
-        result.vertexWeights.push(0);\r
+        this.geometry.vertices.push(vertices[i]);\r
+        this.vertexWeights.push(0);\r

       }\r
       }\r

-      console.log(vertices);\r

       for (let i in faces) {\r
         let face = faces[i];\r
 \r
       for (let i in faces) {\r
         let face = faces[i];\r
 \r

-        result.geometry.faces.push(new THREE.Face3(\r
+        this.faces.push(face);\r
+\r
+        this.geometry.faces.push(new THREE.Face3(\r

           face.a, face.b, face.c\r
         ));\r
           face.a, face.b, face.c\r
         ));\r

-        result.geometry.faces.push(new THREE.Face3(\r
+        this.geometry.faces.push(new THREE.Face3(\r

           face.c, face.b, face.d\r
         ));\r
           face.c, face.b, face.d\r
         ));\r

-\r
-        console.log(face);\r

         \r
         \r

-        let xLength = vectorLength(result.geometry.vertices[face.b], result.geometry.vertices[face.a]);\r
-        let yLength = vectorLength(result.geometry.vertices[face.c], result.geometry.vertices[face.a]);\r
+        let xLength = vectorLength(this.geometry.vertices[face.b], this.geometry.vertices[face.a]);\r
+        let yLength = vectorLength(this.geometry.vertices[face.c], this.geometry.vertices[face.a]);\r

         let weight = xLength * yLength / 2;\r
 \r
         let weight = xLength * yLength / 2;\r
 \r

-        xLength = vectorLength(result.geometry.vertices[face.b], result.geometry.vertices[face.d]);\r
-        yLength = vectorLength(result.geometry.vertices[face.c], result.geometry.vertices[face.d]);\r
+        xLength = vectorLength(this.geometry.vertices[face.b], this.geometry.vertices[face.d]);\r
+        yLength = vectorLength(this.geometry.vertices[face.c], this.geometry.vertices[face.d]);\r

         weight += xLength * yLength / 2;\r
 \r
         weight += xLength * yLength / 2;\r
 \r

-        result.vertexWeights[face.a] += weight / 4;\r
-        result.vertexWeights[face.b] += weight / 4;\r
-        result.vertexWeights[face.c] += weight / 4;\r
-        result.vertexWeights[face.d] += weight / 4;\r
+        this.vertexWeights[face.a] += weight / 4;\r
+        this.vertexWeights[face.b] += weight / 4;\r
+        this.vertexWeights[face.c] += weight / 4;\r
+        this.vertexWeights[face.d] += weight / 4;\r

       }\r
 \r
       }\r
 \r

-      result.geometry.computeBoundingSphere();\r
+      this.geometry.computeBoundingSphere();\r
+    }\r

 \r
 \r

-      return result;\r
+    createDebugMesh(scene) {\r
+      function addLine(from, to, color) {\r
+        let geometry = new THREE.Geometry();\r
+        geometry.vertices.push(from);\r
+        geometry.vertices.push(to);\r
+        let material = new THREE.LineBasicMaterial( { color: color, linewidth: 10 } );\r
+        let line = new THREE.Line(geometry, material);\r
+        line.renderOrder = 1;\r
+        scene.add(line);\r
+      }\r
+      function addPoint(point, color) {\r
+        const geometry = new THREE.SphereGeometry( 0.05, 32, 32 );\r
+        const material = new THREE.MeshBasicMaterial( { color: color } );\r
+        const sphere = new THREE.Mesh( geometry, material );\r
+        sphere.position.set(point.x, point.y, point.z);\r
+        scene.add( sphere );\r
+      }\r
+\r
+      let lineColor = 0x000000;\r
+      let pointColor = 0xff00000;\r
+\r
+      for (let i in this.faces) {\r
+        let face = this.faces[i];\r
+        addLine(this.geometry.vertices[face.a], this.geometry.vertices[face.b], lineColor);\r
+        addLine(this.geometry.vertices[face.a], this.geometry.vertices[face.c], lineColor);\r
+        addLine(this.geometry.vertices[face.a], this.geometry.vertices[face.d], lineColor);\r
+        addLine(this.geometry.vertices[face.b], this.geometry.vertices[face.c], lineColor);\r
+        addLine(this.geometry.vertices[face.b], this.geometry.vertices[face.d], lineColor);\r
+        addLine(this.geometry.vertices[face.c], this.geometry.vertices[face.d], lineColor);\r
+\r
+        addPoint(this.geometry.vertices[face.a], pointColor);\r
+        addPoint(this.geometry.vertices[face.b], pointColor);\r
+        addPoint(this.geometry.vertices[face.c], pointColor);\r
+        addPoint(this.geometry.vertices[face.d], pointColor);\r
+      }\r

     }\r
   }\r
 \r
     }\r
   }\r
 \r


@@ -172,13 +204,17 @@ function init() {
   const directionalLight = new THREE.DirectionalLight(0xffffff, 1);\r
   scene.add(directionalLight);\r
 \r
   const directionalLight = new THREE.DirectionalLight(0xffffff, 1);\r
   scene.add(directionalLight);\r
 \r

-  let cloth = Cloth.CreateBasic(10, 10, 5, 5);\r
-  const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 });\r
+  let cloth = new Cloth();\r
+  cloth.createBasic(10, 10, 5, 5);\r
+  cloth.createDebugMesh(scene);\r
+\r
+  const material = new THREE.MeshBasicMaterial({ color: 0x0000ff });\r

   const mesh = new THREE.Mesh(cloth.geometry, material);\r
   scene.add(mesh);\r
 \r
   camera.position.y = 5;\r
   camera.position.z = 10;\r
   const mesh = new THREE.Mesh(cloth.geometry, material);\r
   scene.add(mesh);\r
 \r
   camera.position.y = 5;\r
   camera.position.z = 10;\r

+  //camera.lookAt(new THREE.Vector3(1, 0, 0));\r

 \r
   function animate(dt) {\r
     requestAnimationFrame(animate);\r
 \r
   function animate(dt) {\r
     requestAnimationFrame(animate);\r


@@ -195,7 +231,6 @@ function init() {
   window.onresize = resize;\r
   resize();\r
   if (canvas.getContext) {\r
   window.onresize = resize;\r
   resize();\r
   if (canvas.getContext) {\r

-    ctx = canvas.getContext('2d');\r

     animate(performance.now());\r
   }\r
   canvas.onmousemove = (evt) => {\r
     animate(performance.now());\r
   }\r
   canvas.onmousemove = (evt) => {\r