From: Patrick Schönberger <patrick.schoenberger@posteo.de>
Date: Fri, 22 Jan 2021 15:57:38 +0000 (+0100)
Subject: fix spring force calculation
X-Git-Url: https://gitweb.ps.run/cloth_sim/commitdiff_plain/79bcaf1ac3d8bc90b697c444ff5dfb694acb6962

fix spring force calculation
---

diff --git a/Scripts/cloth.js b/Scripts/cloth.js
index 266af16..e39b95b 100644
--- a/Scripts/cloth.js
+++ b/Scripts/cloth.js
@@ -112,6 +112,9 @@ export class Cloth {
     let vertices = [];
     let faces = [];
 
+    this.numPointsWidth = numPointsWidth;
+    this.numPointsHeight = numPointsHeight;
+
     /**
      * distance between two vertices horizontally/vertically
      * divide by the number of points minus one
@@ -403,8 +406,8 @@ getAcceleration(vertexIndex, dt) {
   // Get the bounding springs and add them to the needed springs
   // TODO: optimize
 
-  const numPointsX = 10;
-  const numPointsY = 10;
+  const numPointsX = this.numPointsWidth;
+  const numPointsY = this.numPointsHeight;
   const numFacesX = numPointsX - 1;
   const numFacesY = numPointsY - 1;
 
diff --git a/Scripts/main.js b/Scripts/main.js
index 20a6e92..4c57ff9 100644
--- a/Scripts/main.js
+++ b/Scripts/main.js
@@ -52,11 +52,11 @@ function init() {
   
   /** setup cloth and generate debug mesh */
   let cloth = new Cloth();
-  cloth.createBasic(10, 10, 10, 10);
+  cloth.createBasic(10, 10, 50, 50);
   //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: 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);
@@ -65,11 +65,17 @@ function init() {
   //line.material.transparent = true;
   scene.add(mesh);
 
-  scene.add( new THREE.AmbientLight( 0x666666 ) );
-
-  const light = new THREE.DirectionalLight( 0xffffff, 0.5 );
-  light.position.set( 0, 1, 0.5 );
-  scene.add( light );
+  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 );
   
   let raycaster = new THREE.Raycaster();