three.js布林運算原始碼
阿新 • • 發佈：2019-02-20
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script src="lib/three.js"></script>
<script src="lib/stats.min.js"></script>
<style type="text/css">
body
{
margin:0;
overflow:hidden;
}
</style>
</head>
<body>
<div id="Stats-output">
</div>
<div id="WebGL-output">
</div>
</body>
</html>
<script type="text/javascript">
function init()
{
//模型轉動
var stats = initStats();
//設定場景
var scene = new THREE.Scene();
//設定相機
var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 10000);
camera.position.x = -30;
camera.position.y = 40;
camera.position.z = 30;
camera.lookAt(scene.position);
//設定渲染器
var renderer = new THREE.WebGLRenderer();
renderer.setClearColor(new THREE.Color(0xEEEEEE, 1.0));
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.shadowMapEnabled = true;
//設定一個平面
var planeGeometry = new THREE.PlaneGeometry(60, 20, 1, 1);
var planeMaterial = new THREE.MeshLambertMaterial({
color: 0xffffff
});
var plane = new THREE.Mesh(planeGeometry, planeMaterial);
// 告訴渲染器需要陰影
plane.receiveShadow = true;
plane.rotation.x = -0.5 * Math.PI;
plane.position.x = 15;
plane.position.y = 0;
plane.position.z = 0;
scene.add(plane);
//繪製長方體
var cubeGeometry = new THREE.BoxGeometry(4, 4, 4);
var cubeMaterial = new THREE.MeshLambertMaterial({
color: 0xff0000,
wireframe:true
});
var cube = new THREE.Mesh(cubeGeometry, cubeMaterial);
//增加陰影
cube.castShadow = true;
// 繪製位置
cube.position.x = -10;
cube.position.y = 5;
cube.position.z =0;
scene.add(cube);
//繪製圓
var sphereGeometry = new THREE.SphereGeometry(4, 20, 20);
var sphereMaterial = new THREE.MeshLambertMaterial({
color: 0x7777ff,
});
var sphere = new THREE.Mesh(sphereGeometry, sphereMaterial);
sphere.position.x = 20;
sphere.position.y = 0;
sphere.position.z = 2;
sphere.castShadow = true;
scene.add(sphere);
//光源
//var ambientLight = new THREE.AmbientLight(0x0c0c0c);
//scene.add(ambientLight);
var spotLight = new THREE.SpotLight(0xffffff);
spotLight.position.set(-40, 60, -10);
spotLight.castShadow = true;
scene.add(spotLight);
//顯示畫布
document.getElementById("WebGL-output").appendChild(renderer.domElement);
// call the render function
var step = 0;
renderScene();
function renderScene() {
stats.update();
// 旋轉
cube.rotation.x += 0.02;
cube.rotation.y += 0.02;
cube.rotation.z += 0.02;
// 跳動
step += 0.04;
sphere.position.x = 20 + (10 * (Math.cos(step)));
sphere.position.y = 2 + (10 * Math.abs(Math.sin(step)));
// 動畫效果
requestAnimationFrame(renderScene);
renderer.render(scene, camera);
}
//座標軸物件
var axes = new THREE.AxisHelper(20); //引數（顏色，近處，遠出）
scene.add(axes);
//怎麼加霧效果
scene.fog = new THREE.Fog(0xffffff, 0.2, 1000);
//監聽
function initStats()
{
var stats = new Stats();
stats.setMode(0); // 0: fps, 1: ms
// Align top-left
stats.domElement.style.position = 'absolute';
stats.domElement.style.left = '0px';
stats.domElement.style.top = '0px';
document.getElementById("Stats-output").appendChild(stats.domElement);
return stats;
}
}
window.onload = init;
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script src="lib/three.js"></script>
<script src="lib/stats.min.js"></script>
<style type="text/css">
body
{
margin:0;
overflow:hidden;
}
</style>
</head>
<body>
<div id="Stats-output">
</div>
<div id="WebGL-output">
</div>
</body>
</html>
<script type="text/javascript">
function init()
{
//模型轉動
var stats = initStats();
//設定場景
var scene = new THREE.Scene();
//設定相機
var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 10000);
camera.position.x = -30;
camera.position.y = 40;
camera.position.z = 30;
camera.lookAt(scene.position);
//設定渲染器
var renderer = new THREE.WebGLRenderer();
renderer.setClearColor(new THREE.Color(0xEEEEEE, 1.0));
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.shadowMapEnabled = true;
//設定一個平面
var planeGeometry = new THREE.PlaneGeometry(60, 20, 1, 1);
var planeMaterial = new THREE.MeshLambertMaterial({
color: 0xffffff
});
var plane = new THREE.Mesh(planeGeometry, planeMaterial);
// 告訴渲染器需要陰影
plane.receiveShadow = true;
plane.rotation.x = -0.5 * Math.PI;
plane.position.x = 15;
plane.position.y = 0;
plane.position.z = 0;
scene.add(plane);
//繪製長方體
var cubeGeometry = new THREE.BoxGeometry(4, 4, 4);
var cubeMaterial = new THREE.MeshLambertMaterial({
color: 0xff0000,
wireframe:true
});
var cube = new THREE.Mesh(cubeGeometry, cubeMaterial);
//增加陰影
cube.castShadow = true;
// 繪製位置
cube.position.x = -10;
cube.position.y = 5;
cube.position.z =0;
scene.add(cube);
//繪製圓
var sphereGeometry = new THREE.SphereGeometry(4, 20, 20);
var sphereMaterial = new THREE.MeshLambertMaterial({
color: 0x7777ff,
});
var sphere = new THREE.Mesh(sphereGeometry, sphereMaterial);
sphere.position.x = 20;
sphere.position.y = 0;
sphere.position.z = 2;
sphere.castShadow = true;
scene.add(sphere);
//光源
//var ambientLight = new THREE.AmbientLight(0x0c0c0c);
//scene.add(ambientLight);
var spotLight = new THREE.SpotLight(0xffffff);
spotLight.position.set(-40, 60, -10);
spotLight.castShadow = true;
scene.add(spotLight);
//顯示畫布
document.getElementById("WebGL-output").appendChild(renderer.domElement);
// call the render function
var step = 0;
renderScene();
function renderScene() {
stats.update();
// 旋轉
cube.rotation.x += 0.02;
cube.rotation.y += 0.02;
cube.rotation.z += 0.02;
// 跳動
step += 0.04;
sphere.position.x = 20 + (10 * (Math.cos(step)));
sphere.position.y = 2 + (10 * Math.abs(Math.sin(step)));
// 動畫效果
requestAnimationFrame(renderScene);
renderer.render(scene, camera);
}
//座標軸物件
var axes = new THREE.AxisHelper(20); //引數（顏色，近處，遠出）
scene.add(axes);
//怎麼加霧效果
scene.fog = new THREE.Fog(0xffffff, 0.2, 1000);
//監聽
function initStats()
{
var stats = new Stats();
stats.setMode(0); // 0: fps, 1: ms
// Align top-left
stats.domElement.style.position = 'absolute';
stats.domElement.style.left = '0px';
stats.domElement.style.top = '0px';
document.getElementById("Stats-output").appendChild(stats.domElement);
return stats;
}
}
window.onload = init;
</script>