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vk.js
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vk.js
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"use strict";
/* globals THREE, $, TweenLite, Power3, TimelineMax */
let camera, scene, renderer;
let plane;
let raycaster = new THREE.Raycaster();
let normalizedMouse = {
x: 0,
y: -180
};
// let lightBlue = {
// r: 34,
// g: 183,
// b: 236
// };
let darkBlue = {
r: 0,
g: 52,
b: 74
};
let baseColorRGB = darkBlue;
let baseColor = "rgb(" + baseColorRGB.r + "," + baseColorRGB.g + "," + baseColorRGB.b + ")";
let nearStars, farStars, farthestStars;
function init() {
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 );
renderer = new THREE.WebGLRenderer();
// Scene initialization
camera.position.z = 50;
renderer.setClearColor( "#121212", 1.0);
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.setPixelRatio( window.devicePixelRatio );
document.body.appendChild( renderer.domElement );
// Lights
let topLight = new THREE.DirectionalLight(0xffffff, 1);
topLight.position.set(0,1,1).normalize();
scene.add(topLight);
let bottomLight = new THREE.DirectionalLight(0xffffff, 0.4);
bottomLight.position.set(1,-1,1).normalize();
scene.add(bottomLight);
let skyLightRight = new THREE.DirectionalLight(0x666666, 0.2);
skyLightRight.position.set(-1,-1,0.2).normalize();
scene.add(skyLightRight);
let skyLightCenter = new THREE.DirectionalLight(0x666666, 0.2);
skyLightCenter.position.set(-0,-1,0.2).normalize();
scene.add(skyLightCenter);
let skyLightLeft = new THREE.DirectionalLight(0x666666, 0.2);
skyLightLeft.position.set(1,-1,0.2).normalize();
scene.add(skyLightLeft);
// Mesh creation
let geometry = new THREE.PlaneGeometry(400, 400, 70, 70);
let darkBlueMaterial = new THREE.MeshPhongMaterial( { color: 0xffffff, shading: THREE.FlatShading, side: THREE.DoubleSide, vertexColors: THREE.FaceColors} );
geometry.vertices.forEach(function(vertice) {
vertice.x += (Math.random() - 0.5) * 4;
vertice.y += (Math.random() - 0.5) * 4;
vertice.z += (Math.random() - 0.5) * 4;
vertice.dx = Math.random() - 0.5;
vertice.dy = Math.random() - 0.5;
vertice.randomDelay = Math.random() * 5;
});
for ( var i = 0; i < geometry.faces.length; i ++ ) {
geometry.faces[ i ].color.setStyle( baseColor );
geometry.faces[ i ].baseColor = baseColorRGB;
}
plane = new THREE.Mesh( geometry, darkBlueMaterial );
scene.add( plane );
// Create stars
farthestStars = createStars(1200, 420, "#0952BD");
farStars = createStars(1200, 370, "#A5BFF0");
nearStars = createStars(1200, 290,"#fd5829");
scene.add(farthestStars);
scene.add(farStars);
scene.add(nearStars);
farStars.rotation.x = 0.25;
nearStars.rotation.x = 0.25;
// Uncomment for testing second camera position
// camera.rotation.x = Math.PI / 2;
// camera.position.y = -0;
// camera.position.z = 20;
// plane.scale.x = 2;
}
function createStars(amount, yDistance, color = "0x000000") {
let opacity = Math.random();
let starGeometry = new THREE.Geometry();
let starMaterial = new THREE.PointsMaterial({color: color, opacity: opacity});
for (let i = 0; i < amount; i++) {
let vertex = new THREE.Vector3();
vertex.z = (Math.random() - 0.5) * 1500;
vertex.y = yDistance;
vertex.x = (Math.random() - 0.5) * 1500;
starGeometry.vertices.push(vertex);
}
return new THREE.Points(starGeometry, starMaterial);
}
let timer = 0;
function render() {
requestAnimationFrame( render );
timer += 0.01;
let vertices = plane.geometry.vertices;
for (let i = 0; i < vertices.length; i++) {
// Ease back to original vertice position while still maintaining sine wave
vertices[i].x -= (Math.sin(timer + vertices[i].randomDelay) / 40) * vertices[i].dx;
vertices[i].y += (Math.sin(timer + vertices[i].randomDelay) / 40) * vertices[i].dy;
// ((vertices[i].x - vertices[i].originalPosition.x) * 0.1) +
}
// Determine where ray is being projected from camera view
raycaster.setFromCamera(normalizedMouse, camera);
// Send objects being intersected into a variable
let intersects = raycaster.intersectObjects([plane]);
if (intersects.length > 0) {
let faceBaseColor = intersects[0].face.baseColor;
plane.geometry.faces.forEach(function(face) {
face.color.r *= 255;
face.color.g *= 255;
face.color.b *= 255;
face.color.r += (faceBaseColor.r - face.color.r) * 0.01;
face.color.g += (faceBaseColor.g - face.color.g) * 0.01;
face.color.b += (faceBaseColor.b - face.color.b) * 0.01;
let rInt = Math.floor(face.color.r);
let gInt = Math.floor(face.color.g);
let bInt = Math.floor(face.color.b);
let newBasecol = "rgb(" + rInt + "," + gInt + "," + bInt + ")";
face.color.setStyle(newBasecol);
});
plane.geometry.colorsNeedUpdate = true;
intersects[0].face.color.setStyle("#006ea0");
plane.geometry.colorsNeedUpdate = true;
}
plane.geometry.verticesNeedUpdate = true;
plane.geometry.elementsNeedUpdate = true;
farthestStars.rotation.y -= 0.00001;
farStars.rotation.y -= 0.00005;
nearStars.rotation.y -= 0.00011;
renderer.render(scene, camera);
}
init();
window.addEventListener("resize", function() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
});
window.addEventListener("mousemove", function(event) {
// Normalize mouse coordinates
normalizedMouse.x = (event.clientX / window.innerWidth) * 2 - 1;
normalizedMouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
});
let introContainer = $('.intro-container');
let skyContainer = $('.sky-container');
let xMark = $('.x-mark');
$('.shift-camera-button').click(function() {
let introTimeline = new TimelineMax();
introTimeline.add([
TweenLite.fromTo(introContainer, 0.5, {opacity: 1}, {opacity: 0, ease: Power3.easeIn}),
TweenLite.to(camera.rotation, 3, {x: Math.PI / 2, ease: Power3.easeInOut}),
TweenLite.to(camera.position, 2.5, {z: 20, ease: Power3.easeInOut}),
TweenLite.to(camera.position, 3, {y: 120, ease: Power3.easeInOut}),
TweenLite.to(plane.scale, 3, {x: 2, ease: Power3.easeInOut}),
]);
introTimeline.add([
TweenLite.to(xMark, 2, {opacity: 1, ease: Power3.easeInOut}),
TweenLite.to(skyContainer, 2, {opacity: 1, ease: Power3.easeInOut})
]);
});
$('.x-mark').click(function() {
let outroTimeline = new TimelineMax();
outroTimeline.add([
TweenLite.to(xMark, 0.5, {opacity: 0, ease: Power3.easeInOut}),
TweenLite.to(skyContainer, 0.5, {opacity: 0, ease: Power3.easeInOut}),
TweenLite.to(camera.rotation, 3, {x: 0, ease: Power3.easeInOut}),
TweenLite.to(camera.position, 3, {z: 50, ease: Power3.easeInOut}),
TweenLite.to(camera.position, 2.5, {y: 0, ease: Power3.easeInOut}),
TweenLite.to(plane.scale, 3, {x: 1, ease: Power3.easeInOut}),
]);
outroTimeline.add([
TweenLite.to(introContainer, 0.5, {opacity: 1, ease: Power3.easeIn}),
]);
});
render();