hello，今天给大家用three.js开发了一个手机太空穿越VR游戏，确实不容易，小编的头发又少了一大截。Ok，废话少说，先看效果。
效果图
首页index.html
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>Three.js Mobile VR Sonic</title>
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<script src="js/jquery-1.12.4.min.js"></script>
<script src="js/d3.v4.min.js"></script>
<script src="js/three.min.js"></script>
<script src="js/GLTFLoader.js"></script>
<script src="js/TweenMax.min.js"></script>
<script src="js/CSSPlugin.min.js"></script>
<script src="js/EasePack.min.js"></script>
<script src='js/AssimpJSONLoader.js'></script>
<script src="js/DeviceOrientationControls.js"></script>
<script src="js/OrbitControls.js"></script>
<script src="js/StereoEffect.js"></script>
<script src="js/tween.min.js"></script>
<script src="js/dat.gui.min.js"></script>
<!-- glowing effect scripts -->
<script src="js/EffectComposer.js"></script>
<script src="js/RenderPass.js"></script>
<script src="js/MaskPass.js"></script>
<script src="js/ShaderPass.js"></script>
<script src="js/CopyShader.js"></script>
<script src="js/FXAAShader.js"></script>
<script src="js/ConvolutionShader.js"></script>
<script src="js/LuminosityHighPassShader.js"></script>
<!-- unreal bloom -->
<script src="js/UnrealBloomPass.js"></script>
<!-- VR Button -->
<button id='VR' class='button toggleVR' onclick='toggleVR()' title='Toggle VR Mode for Mobile Devices Only'>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" viewBox="0 0 62.7 52.375" enable-background="new 0 0 62.7 41.9" xml:space="preserve"><path d="M53.4,5.5h-44c-2.1,0-3.7,1.7-3.7,3.7v22.6c0,2.1,1.7,3.7,3.7,3.7h13.4c1.1,0,2.1-0.6,2.5-1.6l3-7.5c1.2-2.6,4.9-2.5,6,0.1 l2.6,7.3c0.4,1,1.4,1.7,2.5,1.7h13.9c2.1,0,3.7-1.7,3.7-3.7V9.3C57.2,7.2,55.5,5.5,53.4,5.5z M20.4,27c-3.2,0-5.7-2.6-5.7-5.7 s2.6-5.7,5.7-5.7s5.7,2.6,5.7,5.7S23.6,27,20.4,27z M42.4,27c-3.2,0-5.7-2.6-5.7-5.7s2.6-5.7,5.7-5.7s5.7,2.6,5.7,5.7 S45.6,27,42.4,27z"/><text x="0" y="56.9" fill="#000000" font-size="5px" font-weight="bold" font-family="'Helvetica Neue', Helvetica, Arial-Unicode, Arial, Sans-serif">Created by Nick Bluth</text><text x="0" y="61.9" fill="#000000" font-size="5px" font-weight="bold" font-family="'Helvetica Neue', Helvetica, Arial-Unicode, Arial, Sans-serif">from the Noun Project</text></svg>
</button>
<div id="info">SUPER!</div>
<audio id="bflat" src="sonic_ring_sound.mp3"></audio>
<script src="js/index.js"></script>
</body>
</html>
核心代码js
//===================================================== full screen
var requestFullscreen = function(ele) {
if (ele.requestFullscreen) {
ele.requestFullscreen();
} else if (ele.webkitRequestFullscreen) {
ele.webkitRequestFullscreen();
} else if (ele.mozRequestFullScreen) {
ele.mozRequestFullScreen();
} else if (ele.msRequestFullscreen) {
ele.msRequestFullscreen();
} else {
console.log("Fullscreen API is not supported.");
}
};
var exitFullscreen = function(ele) {
if (ele.exitFullscreen) {
ele.exitFullscreen();
} else if (ele.webkitExitFullscreen) {
ele.webkitExitFullscreen();
} else if (ele.mozCancelFullScreen) {
ele.mozCancelFullScreen();
} else if (ele.msExitFullscreen) {
ele.msExitFullscreen();
} else {
console.log("Fullscreen API is not supported.");
}
};
//===================================================== add canvas
let renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true });
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.setClearColor(0xd8e7ff, 0);
document.body.appendChild(renderer.domElement);
//===================================================== resize
window.addEventListener("resize", function() {
let width = window.innerWidth;
let height = window.innerHeight;
renderer.setSize(width, height);
camera.aspect = width / height;
camera.updateProjectionMatrix();
});
//===================================================== add Scene
let scene = new THREE.Scene();
//===================================================== add Camera
let camera = new THREE.PerspectiveCamera(
45,
window.innerWidth / window.innerHeight,
1,
10000
);
let cameraTarget = new THREE.Vector3(0, 0, 0);
//===================================================== add Group
group = new THREE.Group();
scene.add(group);
//===================================================== add Controls
var controls = new THREE.OrbitControls(camera, renderer.domElement);
controls.enableDamping = true;
controls.dampingFactor = 0.25;
controls.enableZoom = true;
//How far you can orbit vertically, upper and lower limits. The maximum is Pi / 2 (90deg). You wont see below the below the line of the horizon
controls.maxPolarAngle = Math.PI / 2.1;
//===================================================== add VR
renderer.setPixelRatio(window.devicePixelRatio); //VR
effect = new THREE.StereoEffect(renderer); //VR
effect.setSize(window.innerWidth, window.innerHeight); //VR
var VR = false;
function toggleVR() {
if (VR) {
VR = false;
controls = new THREE.OrbitControls(camera, renderer.domElement);
} else {
VR = true;
controls = new THREE.DeviceOrientationControls(camera);
requestFullscreen(document.documentElement);
}
renderer.setSize(window.innerWidth, window.innerHeight);
}
//===================================================== curve points exported from blender using python
var points = [
/*[2.873088836669922, 1.886053442955017, 2.807666063308716] ,
[2.8677191734313965, 1.901498556137085, 0.9702248573303223] ,
[4.261392116546631, 1.1370995044708252, 2.199495315551758] ,
[5.4436726570129395, -0.46564579010009766, 1.1223225593566895] ,
[4.683673858642578, -5.823459148406982, 0.29172343015670776] ,
[4.683673858642578, -5.823459148406982, 0.29172343015670776] ,
[1.0320820808410645, -8.896514892578125, -0.25123584270477295] ,
[-6.009271621704102, -5.854086875915527, -1.619685411453247] ,
[-5.8719940185546875, 1.664353609085083, 1.4598760604858398] ,
[-3.664644718170166, 5.1350908279418945, 0.8891280889511108] ,
[0.3946661949157715, 9.023353576660156, 2.472759246826172] ,
[6.545413017272949, 7.975126266479492, 4.807941913604736] ,
[9.380702018737793, 3.8875434398651123, -1.2000198364257812] ,
[3.980130672454834, -3.3519601821899414, -1.5907882452011108] ,
[0.10054226964712143, -4.0724077224731445, -2.6255977153778076] ,
[0.11306309700012207, -4.062130451202393, -2.625786781311035] ,
[-1.5915921926498413, 2.2223830223083496, 1.9054492712020874] ,
[-0.7800552845001221, 2.729933738708496, 2.711679458618164] ,
[2.2788195610046387, 1.5061609745025635, 3.6167585849761963] ,
[3.330962896347046, -1.753382682800293, 3.5841569900512695] ,
[3.3268532752990723, -1.7394065856933594, 3.584031343460083] ,
[1.8003381490707397, -2.6099541187286377, 4.496334552764893] ,
[1.809736728668213, -2.6042258739471436, 4.490817546844482] ,
[-1.5139055252075195, -2.2446377277374268, 3.513293743133545] ,
[-1.5139055252075195, -2.2446377277374268, 3.513293743133545] ,
[-1.5139055252075195, -2.2446377277374268, 1.7960444688796997] ,
[-1.9393141269683838, -0.623103678226471, 1.3167498111724854] ,
[-1.5, 0.0, 0.0] ,
[-1.0, 1.0, 0.0] ,
[1.0, 1.0, 0.0] ,
[1.5, 0.0, 0.0] ,*/
[1.8117204904556274, 5.987488269805908, 0.29106736183166504],
[6.005367279052734, 1.7647128105163574, -1.5591322183609009],
[1.435487985610962, -6.016839504241943, 2.1336286067962646],
[-4.118395805358887, -6.886471271514893, -0.7294682264328003],
[-4.732693195343018, 3.405961036682129, 3.1304938793182373],
[8.304193496704102, 7.593861103057861, 0.3412821292877197],
[8.038525581359863, -4.391696453094482, 2.687108278274536],
[1.488401174545288, -9.993440628051758, -2.2956111431121826],
[-5.277090549468994, -8.481210708618164, -0.719127893447876],
[-7.250330448150635, -0.9653520584106445, -0.3089699447154999],
[-6.526705741882324, 5.678538799285889, 0.15560221672058105],
[-0.885545015335083, 6.678538799285889, 1.5724562406539917],
[1.614454984664917, 5.678538799285889, 0.24559785425662994],
[1.8117204904556274, 5.987488269805908, 0.29106736183166504]
];
var scale = 5;
//Convert the array of points into vertices
for (var i = 0; i < points.length; i++) {
var x = points[i][0] * scale;
var y = points[i][1] * scale;
var z = points[i][2] * scale;
points[i] = new THREE.Vector3(x, z, -y);
}
//Create a path from the points
var carPath = new THREE.CatmullRomCurve3(points);
var radius = 0.25;
var geometry = new THREE.TubeGeometry(carPath, 600, radius, 10, false);
//Set a different color on each face
for (var i = 0, j = geometry.faces.length; i < j; i++) {
geometry.faces[i].color = new THREE.Color(
"hsl(" + Math.floor(Math.random() * 290) + ",50%,50%)"
);
}
var material = new THREE.MeshBasicMaterial({
side: THREE.BackSide,
vertexColors: THREE.FaceColors,
side: THREE.DoubleSide,
transparent: true,
opacity: 1
});
var tube = new THREE.Mesh(geometry, material);
scene.add(tube);
//===================================================== add lighta
var light = new THREE.DirectionalLight(0xefefff, 1.25);
light.position.set(1, 1, 1).normalize();
scene.add(light);
var light = new THREE.DirectionalLight(0xffefef, 1.25);
light.position.set(-1, -1, -1).normalize();
scene.add(light);
//Create a point light in our scene. Makes everything gloomy
var light = new THREE.PointLight(0xffffff, 1, 100);
scene.add(light);
//===================================================== particles
var mergedGeometry = new THREE.Geometry();
var boxGeometry = new THREE.TetrahedronGeometry(0.25, 0);
var material = new THREE.MeshNormalMaterial({
color: new THREE.Color("white")
});
for (var i = 0; i < 1000; i++) {
var x = Math.random() * 125 - 75;
var y = Math.random() * 125 - 75;
var z = Math.random() * 125 - 75;
boxGeometry.translate(x, y, z);
mergedGeometry.merge(boxGeometry);
boxGeometry.translate(-x, -y, -z);
}
var cubes = new THREE.Mesh(mergedGeometry, material);
scene.add(cubes);
//===================================================== Loader
//3d model from
var loader = new THREE.GLTFLoader();
var model;
loader.load(
"sky-island.glb",
function(gltf) {
gltf.scene.traverse(function(node) {
if (node instanceof THREE.Mesh) {
node.castShadow = true;
node.material.side = THREE.DoubleSide;
}
});
model = gltf.scene;
model.scale.set(3, 3, 3);
model.position.set(0, -20, -10);
//model.rotateY(Math.PI);
scene.add(model);
}
);
//===================================================== Loader
//3d model from https://3dwarehouse.sketchup.com/user/0438052632930067253040161/wingedkoopa67?nav=models
var clock = new THREE.Clock();
var mixer = null;
var firstObject;
var loader = new THREE.GLTFLoader();
loader.load(
"sonic.glb",
function(gltf) {
gltf.scene.traverse(function(node) {
if (node instanceof THREE.Mesh) {
node.castShadow = true;
node.material.side = THREE.DoubleSide;
}
});
firstObject = gltf.scene;
firstObject.scale.set(0.65, 0.65, 0.65);
group.add(firstObject);
console.log(gltf.animations); //shows all animations imported into the dopesheet in blender
mixer = new THREE.AnimationMixer(firstObject);
mixer.clipAction(gltf.animations[0]).play();
document.body.addEventListener("click", jump);
function jump() {
mixer.clipAction(gltf.animations[0]).stop();
mixer.clipAction(gltf.animations[1]).play();
setTimeout(function() {
mixer.clipAction(gltf.animations[1]).stop();
mixer.clipAction(gltf.animations[0]).play();
}, 900);
}
}
);
//===================================================== add model
var size = 0.05;
var meshList = [];
for (var i = 0; i < carPath.points.length; i++) {
var x = carPath.points[i].x;
var y = carPath.points[i].y;
var z = carPath.points[i].z;
var geometry = new THREE.TorusGeometry(3, 0.5, 8, 50);
var material = new THREE.MeshBasicMaterial({
color: new THREE.Color("yellow")
});
var secondObject = new THREE.Mesh(geometry, material);
secondObject.position.set(x, y + 0.75, z);
secondObject.scale.set(size, size, size);
meshList.push(secondObject);
scene.add(secondObject);
}
//===================================================== Collision Detection
function PlaySound() {
bflat.play();
}
//calculate distance of the main object
firstBB = new THREE.Box3().setFromObject(group);
//calculate distance for all other objects
for (var i = 0; i < meshList.length; i++) {
secondBB = new THREE.Box3().setFromObject(meshList[i]);
}
var count = 0;
function hit() {
//recalculate distance for the main object
firstBB = new THREE.Box3().setFromObject(group);
//recalcuate distance for all the other objects
for (var i = 0; i < meshList.length; i++) {
secondBB = new THREE.Box3().setFromObject(meshList[i]);
if (firstBB.isIntersectionBox(secondBB)) {
PlaySound();
info.style.color = "hsl(" + Math.floor(Math.random() * 290) + ",50%,50%)";
info.innerHTML =
Math.random() > 0.25
? "Superb!"
: Math.random() > 0.25 ? "Oustanding!" : "Awesome!";
TweenLite.to(info, 0.75, {
css: { fontSize: "50px", opacity: 1 },
ease: Power4.easeOut,
onComplete: function() {
TweenLite.to(info, 0.75, {
css: { fontSize: "14px", opacity: 0 },
ease: Power4.easeOut
}); //end tween
} //end onComplete
}); //end tween
} //end if
} //end for
} //end hit
//===================================================== bloom
var renderScene = new THREE.RenderPass(scene, camera);
var shaderActive = "none";
var gui = new dat.GUI();
dat.GUI.toggleHide();
var composer;
var parameters = {
x: 0,
y: 30,
z: 0,
bloomStrength: 1.0,
bloomRadius: 1.0,
bloomThreshold: 0.45,
useShaderNone: function() {
setupShaderNone();
},
useShaderBloom: function() {
setupShaderBloom();
}
};
gui.add(parameters, "useShaderNone").name("Display Original Scene");
var folderBloom = gui.addFolder("Bloom");
var bloomStrengthGUI = folderBloom
.add(parameters, "bloomStrength")
.min(0.0)
.max(2.0)
.step(0.01)
.name("Strength")
.listen();
bloomStrengthGUI.onChange(function(value) {
setupShaderBloom();
});
var bloomRadiusGUI = folderBloom
.add(parameters, "bloomRadius")
.min(0.0)
.max(5.0)
.step(0.01)
.name("Radius")
.listen();
bloomRadiusGUI.onChange(function(value) {
setupShaderBloom();
});
var bloomThresholdGUI = folderBloom
.add(parameters, "bloomThreshold")
.min(0)
.max(0.99)
.step(0.01)
.name("Threshold")
.listen();
bloomThresholdGUI.onChange(function(value) {
setupShaderBloom();
});
folderBloom.add(parameters, "useShaderBloom").name("Use Bloom Shader");
folderBloom.open();
//===================================================== functions
function setupShaderNone() {
shaderActive = "none";
}
function setupShaderBloom() {
composer = new THREE.EffectComposer(renderer);
composer.addPass(new THREE.RenderPass(scene, camera));
/*unreal bloom*/
var effectFXAA = new THREE.ShaderPass(THREE.FXAAShader);
effectFXAA.uniforms["resolution"].value.set(
1 / window.innerWidth,
1 / window.innerHeight
);
var copyShader = new THREE.ShaderPass(THREE.CopyShader);
copyShader.renderToScreen = true;
var bloomPass = new THREE.UnrealBloomPass(
new THREE.Vector2(window.innerWidth, window.innerHeight),
parameters.bloomStrength,
parameters.bloomRadius,
parameters.bloomThreshold
);
composer = new THREE.EffectComposer(renderer);
composer.setSize(window.innerWidth, window.innerHeight);
composer.addPass(renderScene);
composer.addPass(effectFXAA);
composer.addPass(bloomPass);
composer.addPass(copyShader);
shaderActive = "bloom";
}
function isShaderActive() {
if (shaderActive == "none") {
renderer.render(scene, camera);
} else {
composer.render();
}
}
//active bloom on load
setupShaderBloom();
//===================================================== Animate
var percentage = 0;
var prevTime = Date.now();
function POV() {
percentage += 0.00045;
var p1 = carPath.getPointAt(percentage % 1);
var p2 = carPath.getPointAt((percentage + 0.01) % 1);
var p3 = carPath.getPointAt((percentage + 0.01 / 2) % 1);
var p4 = carPath.getPointAt((percentage + 0.01 / 4) % 1);
camera.lookAt(p2);
group.position.set(p3.x, p3.y + 0.25, p3.z);
group.lookAt(p2);
camera.position.x = p4.x + 2;
camera.position.y = p4.y + 1;
camera.position.z = p4.z + 2;
camera.lookAt(group.position);
}
function animate() {
POV();
hit();
var delta = clock.getDelta();
if (mixer != null) mixer.update(delta);
//VR
if (VR) {
effect.render(scene, camera);
} else {
//renderer.render( scene, camera );
isShaderActive();
}
requestAnimationFrame(animate);
controls.update();
}
animate();
//set camera position
camera.position.x = 40;
camera.position.y = 50;
camera.position.z = 50;更多学习内容：请关注我的知乎专栏 高级前端工程师前端学习教程,从基础到进阶,看完保证让你的薪资上升一个台阶，你也能成为阿里人（持续更新）
来源：oschina
链接：https://my.oschina.net/u/4342750/blog/4285285