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pyscript-python-html/pyscriptjs/examples/webgl/raycaster/index.html
2022-04-16 22:32:28 -05:00

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<!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>
function create_objects(mathRandom, modularGruop) {
for (var i = 0; i<30; i++) {
var geometry = new THREE.IcosahedronGeometry(1);
var material = new THREE.MeshStandardMaterial({flatShading:true, color:0x111111, transparent:false, opacity:1, wireframe:false});
var cube = new THREE.Mesh(geometry, material);
cube.speedRotation = Math.random() * 0.1;
cube.positionX = mathRandom();
cube.positionY = mathRandom();
cube.positionZ = mathRandom();
cube.castShadow = true;
cube.receiveShadow = true;
var 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);
}
}
function generateParticle(mathRandom, particularGruop, num, amp = 2) {
var gmaterial = new THREE.MeshPhysicalMaterial({color:0xFFFFFF, side:THREE.DoubleSide});
var gparticular = new THREE.CircleGeometry(0.2,5);
for (var i = 1; i < num; i++) {
var pscale = 0.001+Math.abs(mathRandom(0.03));
var particular = new THREE.Mesh(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);
}
}
var mouse = new THREE.Vector2(), INTERSECTED;
var intersected;
function onMouseMove(event) {
event.preventDefault();
mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
}
function onMouseDown(event) {
event.preventDefault();
onMouseMove(event);
raycaster.setFromCamera(mouse, camera);
var intersected = raycaster.intersectObjects(modularGruop.children);
if (intersected.length > 0) {
cameraValue = false;
if (INTERSECTED != intersected[0].object) {
if (INTERSECTED) INTERSECTED.material.emissive.setHex(INTERSECTED.currentHex);
INTERSECTED = intersected[0].object;
INTERSECTED.currentHex = INTERSECTED.material.emissive.getHex();
INTERSECTED.material.emissive.setHex(0xFFFF00);
//INTERSECTED.material.map = null;
//lightBack.position.set(INTERSECTED.position.x,INTERSECTED.position.y,INTERSECTED.position.z);
TweenMax.to(camera.position, 1, {
x:INTERSECTED.position.x,
y:INTERSECTED.position.y,
z:INTERSECTED.position.z+3,
ease:Power2.easeInOut
});
} else {
if (INTERSECTED) INTERSECTED.material.emissive.setHex(INTERSECTED.currentHex);
INTERSECTED = null;
}
}
console.log(intersected.length);
}
function onMouseUp(event) {
}
window.addEventListener('mousedown', onMouseDown, false);
window.addEventListener('mouseup', onMouseUp, false);
window.addEventListener('mousemove', onMouseMove, false);
</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 create_objects, generateParticle, performance, mouse, intersected
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 )
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();
create_objects(mathRandom, modularGruop)
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;
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;
camera.lookAt(scene.position)
renderer.render( scene, camera )
await asyncio.sleep(0.01)
</py-script>
</body>
</html>