orbit/background, flag, wind control

[cloth_sim] / Scripts / main.js

diff --git a/Scripts/main.js b/Scripts/main.js
index 5f6595ee0510d859b97ff1f313109f0d0536ef25..fc797c872ed2503a9808e8a86df0bfa5411e5dab 100644 (file)
--- a/Scripts/main.js
+++ b/Scripts/main.js
@@ -1,12 +1,23 @@
 import { Face, Spring, Cloth } from './cloth.js';\r
+import { OrbitControls } from './OrbitControls.js';\r
 \r
+function addLights(scene){\r
+  \r
+  scene.add( new THREE.AmbientLight( 0x222222 ) );\r
 \r
-/**\r
- * rendering\r
- * Einheiten konsistent\r
- * Wind\r
- * evtl. an Stoff ziehen\r
- */\r
+  const light1 = new THREE.PointLight( 0xffffff, 1, 50 );\r
+  light1.position.set( 15, 1, 40 );\r
+  scene.add( light1 );\r
+\r
+  const light2 = new THREE.PointLight( 0xffffff, 1, 50 );\r
+  light2.position.set( -15, 0, 40 );\r
+  scene.add( light2 );\r
+\r
+  const light3 = new THREE.PointLight( 0xffffff, 1, 50 );\r
+  light3.position.set( 0, -1, 40 );\r
+  scene.add( light3 );\r
+  \r
+}\r
 \r
 /**\r
  * setup THREE JS Scene, Camera and Renderer\r
@@ -17,17 +28,39 @@ function setup_scene(canvasSpace) {
   const renderer = new THREE.WebGLRenderer();\r
   /** size canvas to leave some space for UI */\r
   renderer.setSize(window.innerWidth, window.innerHeight - canvasSpace);\r
+  renderer.antialias = true;\r
   /** embed canvas in HTML */\r
   document.getElementById("threejscontainer").appendChild(renderer.domElement);\r
 \r
+  /** add orbit controls */\r
+  const controls = new OrbitControls(camera, renderer.domElement);\r
+  controls.target.set(0, 0, 0);\r
+  controls.update();\r
+\r
+  /** add scene background */\r
+  const loader = new THREE.TextureLoader();\r
+  const texture = loader.load(\r
+    'Textures/tears_of_steel_bridge_2k.jpg',\r
+    () => {\r
+      const rt = new THREE.WebGLCubeRenderTarget(texture.image.height);\r
+      rt.fromEquirectangularTexture(renderer, texture);\r
+      scene.background = rt;\r
+    });\r
+\r
+  /** add flag pole */\r
+  const geometry = new THREE.CylinderGeometry( 0.02, 0.02, 5, 32 );\r
+  const material = new THREE.MeshStandardMaterial( {color: 0xffffff} );\r
+  const cylinder = new THREE.Mesh( geometry, material );\r
+  cylinder.position.set(-0.5, -2.25, 0);\r
+  scene.add( cylinder );\r
+\r
   /** add global light */\r
   const directionalLight = new THREE.DirectionalLight(0xffffff, 1);\r
   scene.add(directionalLight);\r
 \r
   /** position camera */\r
-  camera.position.y = 5;\r
-  camera.position.z = 10;\r
-\r
+  camera.position.z = 2;\r
+  addLights(scene);\r
   return [scene, camera, renderer];\r
 }\r
 \r
@@ -52,30 +85,22 @@ function init() {
   \r
   /** setup cloth and generate debug mesh */\r
   let cloth = new Cloth();\r
-  cloth.createBasic(10, 10, 10, 10);\r
+  cloth.createBasic(1, 0.5, 20, 20);\r
+  document.getElementById("windToggle").onchange = (e) => {\r
+    if (e.target.checked)\r
+      cloth.windFactor.set(0.5, 0.2, 0.2);\r
+    else\r
+      cloth.windFactor.set(0, 0, 0);\r
+  };\r
   //cloth.createDebugMesh(scene);\r
 \r
-  //const material = new THREE.MeshBasicMaterial({ color: 0x0000ff, side: THREE.DoubleSide });\r
+\r
   const material = new THREE.MeshStandardMaterial({ color: 0xC70039, side: THREE.DoubleSide, flatShading: false });\r
   const mesh = new THREE.Mesh(cloth.geometry, material);\r
-  //const mesh = new THREE.WireframeGeometry(cloth.geometry);\r
-  //const line = new THREE.LineSegments(mesh);\r
-  //line.material.depthTest = false;\r
-  //line.material.opacity = 0.25;\r
-  //line.material.transparent = true;\r
+\r
   scene.add(mesh);\r
 \r
-  scene.add( new THREE.AmbientLight( 0x222222 ) );\r
 \r
-  const light1 = new THREE.PointLight( 0xffffff, 1, 50 );\r
-  light1.position.set( 15, 1, 40 );\r
-  scene.add( light1 );\r
-  const light2 = new THREE.PointLight( 0xffffff, 1, 50 );\r
-  light2.position.set( -15, 0, 40 );\r
-  scene.add( light2 );\r
-  const light3 = new THREE.PointLight( 0xffffff, 1, 50 );\r
-  light3.position.set( 0, -1, 40 );\r
-  scene.add( light3 );\r
   \r
   let raycaster = new THREE.Raycaster();\r
   let intersects;\r
@@ -129,6 +154,33 @@ function init() {
     mousePos.x = evt.clientX;\r
     mousePos.y = evt.clientY;\r
 \r
+    cloth.mouseMove(calculateMousePosToWorld(evt));\r
+  };\r
+\r
+  /**\r
+   * Prevent context menu while blowing wind\r
+   */\r
+  canvas.addEventListener('contextmenu', function(evt) { \r
+    evt.preventDefault();\r
+  }, false);\r
+\r
+\r
+  canvas.onmousedown = (evt) => {\r
+\r
+    // Check mouse click\r
+    rightMousePressed = evt.button == 2;\r
+    \r
+    if(intersects.length > 0 && evt.button == 0){\r
+      cloth.mousePress(intersects);\r
+    } \r
+  }\r
+  \r
+  canvas.onmouseup = (evt) => {\r
+    cloth.mouseRelease();\r
+    rightMousePressed = false;\r
+  }\r
+\r
+  function calculateMousePosToWorld(evt){\r
     var vec = new THREE.Vector3(); // create once and reuse\r
     var pos = new THREE.Vector3(); // create once and reuse\r
 \r
@@ -144,20 +196,6 @@ function init() {
     var distance = - camera.position.z / vec.z;\r
 \r
     pos.copy( camera.position ).add( vec.multiplyScalar( distance ) );\r
-\r
-    cloth.mouseMove(pos);\r
-  };\r
-\r
-  canvas.onmousedown = (evt) => {\r
-    rightMousePressed = evt.button == 2;\r
-    \r
-    if(intersects.length > 0 && evt.button == 0){\r
-      cloth.mousePress(intersects);\r
-    } \r
-  }\r
-  \r
-  canvas.onmouseup = (evt) => {\r
-    cloth.mouseRelease();\r
-    rightMousePressed = false;\r
+    return pos;\r
   }\r
 }
\ No newline at end of file