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pyscript-python-html/pyscriptjs/examples/webgl/boxes/js/demo.js
2022-04-14 15:43:00 -05:00

135 lines
3.5 KiB
JavaScript

var scene, camera, renderer, mesh;
var meshFloor, ambientLight, light;
var crate, crateTexture, crateNormalMap, crateBumpMap;
var keyboard = {};
var player = { height:1.8, speed:0.2, turnSpeed:Math.PI*0.02 };
var USE_WIREFRAME = false;
function init(){
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera(90, 1280/720, 0.1, 1000);
mesh = new THREE.Mesh(
new THREE.BoxGeometry(1,1,1),
new THREE.MeshPhongMaterial({color:0xff4444, wireframe:USE_WIREFRAME})
);
mesh.position.y += 1;
mesh.receiveShadow = true;
mesh.castShadow = true;
scene.add(mesh);
meshFloor = new THREE.Mesh(
new THREE.PlaneGeometry(20,20, 10,10),
new THREE.MeshPhongMaterial({color:0xffffff, wireframe:USE_WIREFRAME})
);
meshFloor.rotation.x -= Math.PI / 2;
meshFloor.receiveShadow = true;
scene.add(meshFloor);
ambientLight = new THREE.AmbientLight(0xffffff, 0.2);
scene.add(ambientLight);
light = new THREE.PointLight(0xffffff, 0.8, 18);
light.position.set(-3,6,-3);
light.castShadow = true;
light.shadow.camera.near = 0.1;
light.shadow.camera.far = 25;
scene.add(light);
var textureLoader = new THREE.TextureLoader();
crateTexture = textureLoader.load("crate0/crate0_diffuse.jpg");
crateBumpMap = textureLoader.load("crate0/crate0_bump.jpg");
crateNormalMap = textureLoader.load("crate0/crate0_normal.jpg");
crate = new THREE.Mesh(
new THREE.BoxGeometry(3,3,3),
new THREE.MeshPhongMaterial({
color:0xffffff,
map:crateTexture,
bumpMap:crateBumpMap,
normalMap:crateNormalMap
})
);
scene.add(crate);
crate.position.set(2.5, 3/2, 2.5);
crate.receiveShadow = true;
crate.castShadow = true;
// Model/material loading!
var mtlLoader = new THREE.MTLLoader();
mtlLoader.load("models/Tent_Poles_01.mtl", function(materials){
materials.preload();
var objLoader = new THREE.OBJLoader();
objLoader.setMaterials(materials);
objLoader.load("models/Tent_Poles_01.obj", function(mesh){
mesh.traverse(function(node){
if( node instanceof THREE.Mesh ){
node.castShadow = true;
node.receiveShadow = true;
}
});
scene.add(mesh);
mesh.position.set(-5, 0, 4);
mesh.rotation.y = -Math.PI/4;
});
});
camera.position.set(0, player.height, -5);
camera.lookAt(new THREE.Vector3(0,player.height,0));
renderer = new THREE.WebGLRenderer();
renderer.setSize(1280, 720);
renderer.shadowMap.enabled = true;
renderer.shadowMap.type = THREE.BasicShadowMap;
document.body.appendChild(renderer.domElement);
animate();
}
function animate(){
requestAnimationFrame(animate);
mesh.rotation.x += 0.01;
mesh.rotation.y += 0.02;
crate.rotation.y += 0.01;
if(keyboard[87]){ // W key
camera.position.x -= Math.sin(camera.rotation.y) * player.speed;
camera.position.z -= -Math.cos(camera.rotation.y) * player.speed;
}
if(keyboard[83]){ // S key
camera.position.x += Math.sin(camera.rotation.y) * player.speed;
camera.position.z += -Math.cos(camera.rotation.y) * player.speed;
}
if(keyboard[65]){ // A key
camera.position.x += Math.sin(camera.rotation.y + Math.PI/2) * player.speed;
camera.position.z += -Math.cos(camera.rotation.y + Math.PI/2) * player.speed;
}
if(keyboard[68]){ // D key
camera.position.x += Math.sin(camera.rotation.y - Math.PI/2) * player.speed;
camera.position.z += -Math.cos(camera.rotation.y - Math.PI/2) * player.speed;
}
if(keyboard[37]){ // left arrow key
camera.rotation.y -= player.turnSpeed;
}
if(keyboard[39]){ // right arrow key
camera.rotation.y += player.turnSpeed;
}
renderer.render(scene, camera);
}
window.onload = init;