偏执 VS 害羞的鸟（birds）

偏执 VS 害羞的鸟（birds）"/>

偏执 VS 害羞的鸟（birds）

偏执 VS 害羞的鸟

• 示例
• HTML
• CSS
• JS

示例

HTML

<div id="world"></div>
<div id="instructions">^<br/>Move the head of this bird<br/><span class="lightInstructions">and watch how the 2 others<br/>interact with him</span></div><div id="credits"><p> <a href="/"  target="blank">my other codepens</a> | <a href="" target="blank">epic</a></p>
</div>

CSS

@import url(=Open+Sans:800);
#world {background: #e0dacd;position:absolute;width:100%;height:100%;overflow:hidden;
}
#instructions{position:absolute;width:100%;top:50%;margin: auto;margin-top:50px;font-family:'Open Sans', sans-serif;color:#b75505;font-size:.9em;text-transform: uppercase;text-align : center;
}
.lightInstructions {color:#b59b63;font-size:.8em;
}#credits{position:absolute;width:100%;margin: auto;bottom:0;margin-bottom:20px;font-family:'Open Sans', sans-serif;color:#b59b63;font-size:0.7em;text-transform: uppercase;text-align : center;
}
#credits a {color:#b59b63;
}

JS

//THREEJS RELATED VARIABLES var scene, camera,controls,fieldOfView,aspectRatio,nearPlane,farPlane,shadowLight, backLight,light, renderer,container;//SCENE
var floor, brid1, bird2;//SCREEN VARIABLESvar HEIGHT,WIDTH,windowHalfX,windowHalfY,mousePos = {x:0,y:0};//INIT THREE JS, SCREEN AND MOUSE EVENTSfunction init(){scene = new THREE.Scene();HEIGHT = window.innerHeight;WIDTH = window.innerWidth;aspectRatio = WIDTH / HEIGHT;fieldOfView = 60;nearPlane = 1;farPlane = 2000; camera = new THREE.PerspectiveCamera(fieldOfView,aspectRatio,nearPlane,farPlane);camera.position.z = 1000;  camera.position.y = 300;camera.lookAt(new THREE.Vector3(0,0,0));    renderer = new THREE.WebGLRenderer({alpha: true, antialias: true });renderer.setPixelRatio(window.devicePixelRatio); renderer.setSize(WIDTH, HEIGHT);renderer.shadowMapEnabled = true;container = document.getElementById('world');container.appendChild(renderer.domElement);windowHalfX = WIDTH / 2;windowHalfY = HEIGHT / 2;window.addEventListener('resize', onWindowResize, false);document.addEventListener('mousemove', handleMouseMove, false);document.addEventListener('touchstart', handleTouchStart, false);document.addEventListener('touchend', handleTouchEnd, false);document.addEventListener('touchmove',handleTouchMove, false);/*controls = new THREE.OrbitControls( camera, renderer.domElement);//*/
}function onWindowResize() {HEIGHT = window.innerHeight;WIDTH = window.innerWidth;windowHalfX = WIDTH / 2;windowHalfY = HEIGHT / 2;renderer.setSize(WIDTH, HEIGHT);camera.aspect = WIDTH / HEIGHT;camera.updateProjectionMatrix();
}function handleMouseMove(event) {mousePos = {x:event.clientX, y:event.clientY};
}function handleTouchStart(event) {if (event.touches.length > 1) {event.preventDefault();mousePos = {x:event.touches[0].pageX, y:event.touches[0].pageY};}
}function handleTouchEnd(event) {mousePos = {x:windowHalfX, y:windowHalfY};
}function handleTouchMove(event) {if (event.touches.length == 1) {event.preventDefault();mousePos = {x:event.touches[0].pageX, y:event.touches[0].pageY};}
}function createLights() {light = new THREE.HemisphereLight(0xffffff, 0xffffff, .5)shadowLight = new THREE.DirectionalLight(0xffffff, .8);shadowLight.position.set(200, 200, 200);shadowLight.castShadow = true;shadowLight.shadowDarkness = .2;backLight = new THREE.DirectionalLight(0xffffff, .4);backLight.position.set(-100, 200, 50);backLight.shadowDarkness = .1;backLight.castShadow = true;scene.add(backLight);scene.add(light);scene.add(shadowLight);
}//BIRDBird = function(){this.rSegments = 4;this.hSegments = 3;this.cylRay = 120;this.bodyBirdInitPositions = [];this.vAngle = this.hAngle = 0;this.normalSkin = {r:255/255, g:222/255, b:121/255};this.shySkin = {r:255/255, g:157/255, b:101/255};this.color = {r:this.normalSkin.r, g:this.normalSkin.g, b:this.normalSkin.b};this.side = "left";this.shyAngles = {h:0, v:0};this.behaviourInterval;this.intervalRunning = false;this.threegroup = new THREE.Group();// materialsthis.yellowMat = new THREE.MeshLambertMaterial ({color: 0xFFD700, shading:THREE.FlatShading});this.whiteMat = new THREE.MeshLambertMaterial ({color: 0xffffff,shading: THREE.FlatShading});this.blackMat = new THREE.MeshLambertMaterial ({color: 0x000000,shading: THREE.FlatShading});this.orangeMat = new THREE.MeshLambertMaterial ({color: 0xff5535,shading: THREE.FlatShading});//WINGSthis.wingLeftGroup = new THREE.Group();this.wingRightGroup = new THREE.Group();var wingGeom = new THREE.BoxGeometry(60,60, 5);var wingLeft = new THREE.Mesh(wingGeom, this.yellowMat);this.wingLeftGroup.add(wingLeft);this.wingLeftGroup.position.x = 70;this.wingLeftGroup.position.z = 0;this.wingLeftGroup.rotation.y = Math.PI/2;wingLeft.rotation.x = -Math.PI/4;var wingRight = new THREE.Mesh(wingGeom, this.yellowMat);this.wingRightGroup.add(wingRight);this.wingRightGroup.position.x = -70;this.wingRightGroup.position.z = 0;this.wingRightGroup.rotation.y = -Math.PI/2;wingRight.rotation.x = -Math.PI/4;//BODYvar bodyGeom = new THREE.CylinderGeometry(40, 70, 200, this.rSegments, this.hSegments);this.bodyBird = new THREE.Mesh(bodyGeom, this.yellowMat);this.bodyBird.position.y = 70;this.bodyVerticesLength = (this.rSegments+1)*(this.hSegments);for (var i=0;i<this.bodyVerticesLength; i++){var tv = this.bodyBird.geometry.vertices[i];this.bodyBirdInitPositions.push({x:tv.x, y:tv.y, z:tv.z});}this.threegroup.add(this.bodyBird);this.threegroup.add(this.wingLeftGroup);this.threegroup.add(this.wingRightGroup);// EYESthis.face = new THREE.Group();var eyeGeom = new THREE.BoxGeometry(60,60,10);var irisGeom = new THREE.BoxGeometry(10,10,10);this.leftEye = new THREE.Mesh(eyeGeom, this.whiteMat);this.leftEye.position.x = -30;this.leftEye.position.y = 120;this.leftEye.position.z = 35;this.leftEye.rotation.y = -Math.PI/4;this.leftIris = new THREE.Mesh(irisGeom, this.blackMat);this.leftIris.position.x = -30;this.leftIris.position.y = 120;this.leftIris.position.z = 40;this.leftIris.rotation.y = -Math.PI/4;this.rightEye = new THREE.Mesh(eyeGeom, this.whiteMat);this.rightEye.position.x = 30;this.rightEye.position.y = 120;this.rightEye.position.z = 35;this.rightEye.rotation.y = Math.PI/4;this.rightIris = new THREE.Mesh(irisGeom, this.blackMat);this.rightIris.position.x = 30;this.rightIris.position.y = 120;this.rightIris.position.z = 40;this.rightIris.rotation.y = Math.PI/4;// BEAKvar beakGeom = new THREE.CylinderGeometry(0,20,20, 4,1);this.beak = new THREE.Mesh(beakGeom, this.orangeMat);this.beak.position.z = 65;this.beak.position.y = 70;this.beak.rotation.x = Math.PI/2;this.face.add(this.rightEye);this.face.add(this.rightIris);this.face.add(this.leftEye);this.face.add(this.leftIris);this.face.add(this.beak);//FEATHERSvar featherGeom = new THREE.BoxGeometry(10,20,5);this.feather1 = new THREE.Mesh(featherGeom, this.yellowMat);this.feather1.position.z = 55;this.feather1.position.y = 185;this.feather1.rotation.x = Math.PI/4;this.feather1.scale.set(1.5,1.5,1);this.feather2 = new THREE.Mesh(featherGeom, this.yellowMat);this.feather2.position.z = 50;this.feather2.position.y = 180;this.feather2.position.x = 20;this.feather2.rotation.x = Math.PI/4;this.feather2.rotation.z = -Math.PI/8;this.feather3 = new THREE.Mesh(featherGeom, this.yellowMat);this.feather3.position.z = 50;this.feather3.position.y = 180;this.feather3.position.x = -20;this.feather3.rotation.x = Math.PI/4;this.feather3.rotation.z = Math.PI/8;this.face.add(this.feather1);this.face.add(this.feather2);this.face.add(this.feather3);this.threegroup.add(this.face);this.threegroup.traverse( function ( object ) {if ( object instanceof THREE.Mesh ) {object.castShadow = true;object.receiveShadow = true;}} );}Bird.prototype.look = function(hAngle,vAngle){this.hAngle = hAngle;this.vAngle = vAngle;this.leftIris.position.y = 120 - this.vAngle*30;this.leftIris.position.x = -30 + this.hAngle*10;this.leftIris.position.z = 40 + this.hAngle*10;this.rightIris.position.y = 120 - this.vAngle*30;this.rightIris.position.x = 30 + this.hAngle*10;this.rightIris.position.z = 40 - this.hAngle*10;this.leftEye.position.y = this.rightEye.position.y = 120 - this.vAngle*10;this.beak.position.y = 70 - this.vAngle*20;this.beak.rotation.x = Math.PI/2 + this.vAngle/3;this.feather1.rotation.x = (Math.PI/4) + (this.vAngle/2);this.feather1.position.y = 185 - this.vAngle*10;this.feather1.position.z = 55 + this.vAngle*10;this.feather2.rotation.x = (Math.PI/4) + (this.vAngle/2);this.feather2.position.y = 180 - this.vAngle*10;this.feather2.position.z = 50 + this.vAngle*10;this.feather3.rotation.x = (Math.PI/4) + (this.vAngle/2);this.feather3.position.y = 180 - this.vAngle*10;this.feather3.position.z = 50 + this.vAngle*10;for (var i=0;i<this.bodyVerticesLength; i++){var line = Math.floor(i/(this.rSegments+1));var tv = this.bodyBird.geometry.vertices[i];var tvInitPos = this.bodyBirdInitPositions[i];var a, dy;if (line >= this.hSegments-1){a = 0;}else{a = this.hAngle/(line+1); }var tx = tvInitPos.x*Math.cos(a) + tvInitPos.z*Math.sin(a);var tz = -tvInitPos.x*Math.sin(a) + tvInitPos.z*Math.cos(a);tv.x = tx;tv.z = tz;}this.face.rotation.y = this.hAngle;this.bodyBird.geometry.verticesNeedUpdate = true;}
Bird.prototype.lookAway = function(fastMove){var speed = fastMove? .4 : 2;var ease = fastMove? Strong.easeOut : Strong.easeInOut;var delay = fastMove? .2 : 0;var col = fastMove? this.shySkin : this.normalSkin;var tv = (-1 + Math.random()*2) * Math.PI/3;var beakScaleX = .75 + Math.random()*.25;var beakScaleZ = .5 + Math.random()*.5;if (this.side == "right"){var th = (-1 + Math.random()) * Math.PI/4;  }else{var th = Math.random() * Math.PI/4; }  _this = this;TweenMax.killTweensOf(this.shyAngles);TweenMax.to(this.shyAngles, speed, {v:tv, h:th, ease:ease, delay:delay});TweenMax.to (this.color, speed, {r:col.r, g:col.g, b:col.b, ease:ease, delay:delay});TweenMax.to(this.beak.scale, speed, {z:beakScaleZ, x:beakScaleX, ease:ease, delay:delay});}Bird.prototype.stare = function(){_this = this;var col = this.normalSkin;if (this.side == "right"){var th = Math.PI/3;  }else{var th = -Math.PI/3;}  TweenMax.to(this.shyAngles, 2, {v:-.5, h:th, ease:Strong.easeInOut});TweenMax.to (this.color, 2, {r:col.r, g:col.g, b:col.b, ease:Strong.easeInOut});TweenMax.to(this.beak.scale, 2, {z:.8, x:1.5, ease:Strong.easeInOut});}//*   
function createFloor(){ floor = new THREE.Mesh(new THREE.PlaneBufferGeometry(1000,1000), new THREE.MeshBasicMaterial({color: 0x32CD32}));floor.rotation.x = -Math.PI/2;floor.position.y = -33;floor.receiveShadow = true;scene.add(floor);
}function createBirds(){bird1 = new Bird();bird1.threegroup.position.x = 0;scene.add(bird1.threegroup);bird2 = new Bird();bird2.threegroup.position.x = -250;bird2.side = "right";bird2.threegroup.scale.set(.8,.8,.8);bird2.threegroup.position.y = -8;scene.add(bird2.threegroup);bird3 = new Bird();bird3.threegroup.position.x = 250;bird3.side = "left";bird3.threegroup.scale.set(.8,.8,.8);bird3.threegroup.position.y = -8;scene.add(bird3.threegroup);
}function loop(){var tempHA = (mousePos.x-windowHalfX)/200;var tempVA = (mousePos.y - windowHalfY)/200;var userHAngle = Math.min(Math.max(tempHA, -Math.PI/3), Math.PI/3);var userVAngle = Math.min(Math.max(tempVA, -Math.PI/3), Math.PI/3);bird1.look(userHAngle,userVAngle);if (bird1.hAngle < -Math.PI/5 && !bird2.intervalRunning){bird2.lookAway(true);bird2.intervalRunning = true;bird2.behaviourInterval = setInterval(function(){bird2.lookAway(false);}, 1500);}else if (bird1.hAngle > 0 && bird2.intervalRunning){bird2.stare();clearInterval(bird2.behaviourInterval);bird2.intervalRunning = false;}else if (bird1.hAngle > Math.PI/5 && !bird3.intervalRunning){bird3.lookAway(true);bird3.intervalRunning = true;bird3.behaviourInterval = setInterval(function(){bird3.lookAway(false);}, 1500);}else if (bird1.hAngle < 0 && bird3.intervalRunning){bird3.stare();clearInterval(bird3.behaviourInterval);bird3.intervalRunning = false;}bird2.look(bird2.shyAngles.h, bird2.shyAngles.v);bird2.bodyBird.material.color.setRGB(bird2.color.r,bird2.color.g,bird2.color.b);bird3.look(bird3.shyAngles.h, bird3.shyAngles.v);bird3.bodyBird.material.color.setRGB(bird3.color.r,bird3.color.g,bird3.color.b);render();requestAnimationFrame(loop);
}function render(){//controls.update();renderer.render(scene, camera);
}init();
createLights();
createFloor();
createBirds();
loop();