Merge pull request #35 from anaconda/webgl-box

Webgl icosahedron demo
2022-05-01 19:47:48 +03:00 · 2022-04-20 20:55:39 -05:00
parent 8c8b641088 f889c70ec7
commit 4a2057b34c
3 changed files with 252 additions and 0 deletions
--- a/pyscriptjs/examples/index.html
+++ b/pyscriptjs/examples/index.html
@@ -65,5 +65,8 @@

    <h2 class="text-2xl font-bold text-blue-600"><a href="./todo.html" target=”_blank”>TODO App</a></h2>
    <p>Demo showing how would a Simple TODO App would look like in PyScript</code> tag</p>
+
+    <h2 class="text-2xl font-bold text-blue-600"><a href="./webgl/raycaster/index.html" target=”_blank”>Webgl Icosahedron Example</a></h2>
+    <p>Demo showing how a Simple Webgl scene would work in PyScript</code> tag</p>
  </body>
  </html>
--- a/pyscriptjs/examples/webgl/raycaster/index.html
+++ b/pyscriptjs/examples/webgl/raycaster/index.html
@@ -0,0 +1,196 @@
+<!DOCTYPE html>
+<html lang="en" >
+<head>
+  <meta charset="UTF-8">
+  <title>Raycaster</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="stylesheet" href="./style.css">
+</head>
+<body>
+  <div class="container-fluid fixed-top header disable-selection">
+    <div class="row">
+      <div class="col"></div>
+      <div class="col-md-6">
+        <div class="row">
+          <div class="col">
+          </div>
+        </div>
+      </div>
+      <div class="col"></div>
+    </div>
+  </div>
+<script src='https://cdnjs.cloudflare.com/ajax/libs/three.js/89/three.min.js'></script>
+
+<script defer src="/build/pyscript.js"></script>
+<link rel="stylesheet" href="/build/pyscript.css" />
+<script>
+
+</script>
+<py-script>
+from pyodide import create_proxy, to_js
+from js import window
+from js import Math
+from js import THREE
+from js import performance
+from pyodide import to_js
+from js import Object
+
+
+
+mouse = THREE.Vector2.new();
+
+renderer = THREE.WebGLRenderer.new({"antialias":True})
+renderer.setSize(1000, 1000)
+renderer.shadowMap.enabled = False
+renderer.shadowMap.type = THREE.PCFSoftShadowMap
+renderer.shadowMap.needsUpdate = True
+
+document.body.appendChild( renderer.domElement )
+
+import js, pyodide
+def onMouseMove(event):
+  event.preventDefault();
+  mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
+  mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
+js.document.addEventListener('mousemove', pyodide.create_proxy(onMouseMove))
+
+camera = THREE.PerspectiveCamera.new( 35, window.innerWidth / window.innerHeight, 1, 500 )
+scene = THREE.Scene.new()
+cameraRange = 3
+
+camera.aspect = window.innerWidth / window.innerHeight
+camera.updateProjectionMatrix()
+renderer.setSize( window.innerWidth, window.innerHeight )
+
+setcolor = "#000000"
+
+scene.background = THREE.Color.new(setcolor)
+scene.fog = THREE.Fog.new(setcolor, 2.5, 3.5);
+
+sceneGruop = THREE.Object3D.new();
+particularGruop = THREE.Object3D.new();
+
+def mathRandom(num = 1):
+  setNumber = - Math.random() * num + Math.random() * num
+  return setNumber
+
+particularGruop =  THREE.Object3D.new();
+modularGruop =  THREE.Object3D.new();
+
+perms = {"flatShading":True, "color":"#111111", "transparent":False, "opacity":1, "wireframe":False}
+perms = Object.fromEntries(to_js(perms))
+
+particle_perms = {"color":"#FFFFFF", "side":THREE.DoubleSide}
+particle_perms = Object.fromEntries(to_js(particle_perms))
+
+def create_cubes(mathRandom, modularGruop):
+  i = 0
+  while i < 30:
+    geometry = THREE.IcosahedronGeometry.new();
+    material = THREE.MeshStandardMaterial.new(perms);
+    cube = THREE.Mesh.new(geometry, material);
+    cube.speedRotation = Math.random() * 0.1;
+    cube.positionX = mathRandom();
+    cube.positionY = mathRandom();
+    cube.positionZ = mathRandom();
+    cube.castShadow = True;
+    cube.receiveShadow = True;
+    newScaleValue = mathRandom(0.3);
+    cube.scale.set(newScaleValue,newScaleValue,newScaleValue);
+    cube.rotation.x = mathRandom(180 * Math.PI / 180);
+    cube.rotation.y = mathRandom(180 * Math.PI / 180);
+    cube.rotation.z = mathRandom(180 * Math.PI / 180);
+    cube.position.set(cube.positionX, cube.positionY, cube.positionZ);
+    modularGruop.add(cube);
+    i += 1
+
+create_cubes(mathRandom, modularGruop)
+
+
+def generateParticle(mathRandom, particularGruop, num, amp = 2):
+  gmaterial = THREE.MeshPhysicalMaterial.new(particle_perms);
+  gparticular = THREE.CircleGeometry.new(0.2,5);
+  i = 0
+  while i < num:
+    pscale = 0.001+Math.abs(mathRandom(0.03));
+    particular = THREE.Mesh.new(gparticular, gmaterial);
+    particular.position.set(mathRandom(amp),mathRandom(amp),mathRandom(amp));
+    particular.rotation.set(mathRandom(),mathRandom(),mathRandom());
+    particular.scale.set(pscale,pscale,pscale);
+    particular.speedValue = mathRandom(1);
+    particularGruop.add(particular);
+    i += 1
+
+generateParticle(mathRandom, particularGruop, 200, 2)
+
+sceneGruop.add(particularGruop);
+scene.add(modularGruop);
+scene.add(sceneGruop);
+
+camera.position.set(0, 0, cameraRange);
+cameraValue = False;
+
+ambientLight = THREE.AmbientLight.new(0xFFFFFF, 0.1);
+
+light = THREE.SpotLight.new(0xFFFFFF, 3);
+light.position.set(5, 5, 2);
+light.castShadow = True;
+light.shadow.mapSize.width = 10000;
+light.shadow.mapSize.height = light.shadow.mapSize.width;
+light.penumbra = 0.5;
+
+lightBack = THREE.PointLight.new(0x0FFFFF, 1);
+lightBack.position.set(0, -3, -1);
+
+scene.add(sceneGruop);
+scene.add(light);
+scene.add(lightBack);
+
+rectSize = 2
+intensity = 100
+rectLight = THREE.RectAreaLight.new( 0x0FFFFF, intensity,  rectSize, rectSize )
+rectLight.position.set( 0, 0, 1 )
+rectLight.lookAt( 0, 0, 0 )
+scene.add( rectLight )
+
+rectLightHelper = THREE.RectAreaLightHelper.new( rectLight );
+raycaster = THREE.Raycaster.new();
+uSpeed = 0.1
+
+time = 0.0003;
+camera.lookAt(scene.position)
+
+while True:
+  time = performance.now() * 0.0003;
+  i = 0
+  while i < particularGruop.children.length:
+    newObject = particularGruop.children[i];
+    newObject.rotation.x += newObject.speedValue/10;
+    newObject.rotation.y += newObject.speedValue/10;
+    newObject.rotation.z += newObject.speedValue/10;
+    i += 1
+
+  i = 0
+  while i < modularGruop.children.length:
+    newCubes = modularGruop.children[i];
+    newCubes.rotation.x += 0.008;
+    newCubes.rotation.y += 0.005;
+    newCubes.rotation.z += 0.003;
+
+    newCubes.position.x = Math.sin(time * newCubes.positionZ) * newCubes.positionY;
+    newCubes.position.y = Math.cos(time * newCubes.positionX) * newCubes.positionZ;
+    newCubes.position.z = Math.sin(time * newCubes.positionY) * newCubes.positionX;
+    i += 1
+
+  particularGruop.rotation.y += 0.005;
+
+  modularGruop.rotation.y -= ((mouse.x * 4) + modularGruop.rotation.y) * uSpeed;
+  modularGruop.rotation.x -= ((-mouse.y * 4) + modularGruop.rotation.x) * uSpeed;
+
+  renderer.render( scene, camera )
+  await asyncio.sleep(0.02)
+
+
+</py-script>
+</body>
+</html>
--- a/pyscriptjs/examples/webgl/raycaster/style.css
+++ b/pyscriptjs/examples/webgl/raycaster/style.css
@@ -0,0 +1,53 @@
+body {
+  margin: 0;
+  text-align: center;
+  background-color: black;
+  cursor: crosshair;
+}
+canvas {
+  display: block;
+  width: 100%;
+  height: 100%;
+}
+.header {
+  /*top:45%;*/
+  top: 45%;
+  color: #DDDDDD;
+}
+.footer {
+  bottom:3%;
+}
+.description {
+  color: gray;
+  padding-top: 50px;
+}
+.btn {
+  border-radius: 30px;
+  padding: 10px 30px;
+}
+a, a:hover, a:visited {
+  color: red;
+  text-decoration: none;
+} 
+.disable-selection {
+     -moz-user-select: none; /* Firefox */
+      -ms-user-select: none; /* Internet Explorer */
+   -khtml-user-select: none; /* KHTML browsers (e.g. Konqueror) */
+  -webkit-user-select: none; /* Chrome, Safari, and Opera */
+  -webkit-touch-callout: none; /* Disable Android and iOS callouts*/
+}
+h1::after {
+  content: ' V 2.0';
+  font-size: 12px;
+  position:absolute;
+  top: 3px;
+  padding-left: 5px;
+  font-weight: 400;
+}
+h2::after {
+  content: '2';
+  font-size: 12px;
+  position:absolute;
+  top: 14px;
+  padding-left: 5px;
+}