HTML+CSS+JavaScript网页特效源代码
Posted 蓝盒子.
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特效一
方块运动演示
<html><head>
<meta charset="utf-8">
<title>蓝盒子</title>
<style>body { margin: 0; padding: 0;background: black; overflow: hidden;}</style>
<script src="http://cdn.bootcss.com/three.js/r78/three.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.17.0/TweenMax.min.js"></script>
</head>
<body>
<script>
var isMouseDown = false;
var emptySlot = "emptySlot", planeTop = "planeTop", planeBottom = "planeBottom";
var camera, scene, renderer;
var mouse = {x: 0, y: 0};
var camPos = {x: 0, y: 0, z: 10};
var sw = window.innerWidth, sh = window.innerHeight;
var cols = 20;
var rows = 16;
var gap = 20;
var size = {
width: 100,
height: 30,
depth: 150,
}
var planeOffset = 250;
var allRowsDepth = rows * (size.depth + gap);
var allColsWidth = cols * (size.depth + gap);
var speedNormal = 4;
var speedFast = 34;
var speed = speedNormal;
var boxes = {
planeBottom: [],
planeTop: []
};
var boxes1d = [];
function num(min, max) { return Math.random() * (max - min) + min; }
function draw(props) {
var colours = {
slow: {
r: num(0, 0.2),
g: num(0.5, 0.9),
b: num(0.3, 0.7)
},
fast: {
r: num(0.9, 1.0),
g: num(0.1, 0.7),
b: num(0.2, 0.5)
}
}
var uniforms = {
r: { type: "f", value: colours.slow.r},
g: { type: "f", value: colours.slow.g},
b: { type: "f", value: colours.slow.b},
distanceX: { type: "f", value: 1.0},
distanceZ: { type: "f", value: 1.0},
pulse: { type: "f", value: 0},
speed: { type: "f", value: speed},
};
var material = new THREE.ShaderMaterial( {
uniforms: uniforms,
vertexShader: vertexShader,
fragmentShader: fragmentShader
});
var geometry = new THREE.BoxGeometry(props.width, props.height, props.depth);
var object = new THREE.Mesh(geometry, material);
object.colours = colours;
return object;
}
function init() {
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( 100, sw / sh, 1, 10000 );
scene.add( camera );
renderer = new THREE.WebGLRenderer({antialias: true});
renderer.setSize( sw, sh );
for (var j = 0, jl = rows; j < jl; j++) {
boxes.planeBottom[j] = [];
boxes.planeTop[j] = [];
for (var i = 0, il = cols; i < il; i++) {
boxes.planeBottom[j][i] = emptySlot;
boxes.planeTop[j][i] = emptySlot;
};
};
function createBox() {
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}
for (var i = 0, il = rows * cols; i < il; i++) {
createBox();
};
document.body.appendChild(renderer.domElement);
function listen(eventNames, callback) {
for (var i = 0; i < eventNames.length; i++) {
window.addEventListener(eventNames[i], callback);
}
}
listen(["resize"], function(e){
sw = window.innerWidth;
sh = window.innerHeight
camera.aspect = sw / sh;
camera.updateProjectionMatrix();
renderer.setSize(sw, sh);
});
listen(["mousedown", "touchstart"], function(e) {
e.preventDefault();
isMouseDown = true;
});
listen(["mousemove", "touchmove"], function(e) {
e.preventDefault();
if (e.changedTouches && e.changedTouches[0]) e = e.changedTouches[0];
mouse.x = (e.clientX / sw) * 2 - 1;
mouse.y = -(e.clientY / sh) * 2 + 1;
});
listen(["mouseup", "touchend"], function(e) {
e.preventDefault();
isMouseDown = false;
});
render(0);
}
function move(x, y, z) {
var box = boxes[y][z][x];
if (box !== emptySlot) {
box.position.x = box.offset.x;
box.position.z = box.offset.z + box.posZ;
if (box.position.z > 0) {
box.posZ -= allRowsDepth;
}
// return;
// if (isMouseDown) return;
if (!box.isWarping && Math.random() > 0.999) {
var dir = Math.floor(Math.random() * 5), xn = x, zn = z, yn = y, yi = 0, xo = 0, zo = 0;
switch (dir) {
case 0 : xn++; xo = 1; break;
case 1 : xn--; xo = -1; break;
case 2 : zn++; zo = 1; break;
case 3 : zn--; zo = -1; break;
case 4 :
yn = (y === planeTop) ? planeBottom : planeTop;
yi = (y === planeTop) ? -1 : 1;
break;
}
if (boxes[yn][zn] && boxes[yn][zn][xn] === emptySlot) {
boxes[y][z][x] = emptySlot;
box.isWarping = true;
boxes[yn][zn][xn] = box;
// con.log( box.offset.x, box.offset.z);
if (dir === 4) { // slide vertically
TweenMax.to(box.position, 0.5, {
y: yi * planeOffset
});
} else { // slide horizontally
TweenMax.to(box.offset, 0.5, {
x: box.offset.x + xo * (size.width + gap),
z: box.offset.z + zo * (size.depth + gap),
});
}
TweenMax.to(box.offset, 0.6, {
onComplete: function() {
box.isWarping = false;
}
});
}
}
}
}
function render(time) {
speed -= (speed - (isMouseDown ? speedFast : speedNormal)) * 0.05;
var box;
for (var b = 0, bl = boxes1d.length; b < bl; b++) {
box = boxes1d[b];
box.posZ += speed;
// normalized z distance from camera
var distanceZ = 1 - ((allRowsDepth - box.posZ) / (allRowsDepth) - 1);
box.material.uniforms.distanceZ.value = distanceZ;
// normalized x distance from camera (centre)
var distanceX = 1 - (Math.abs(box.position.x)) / (allColsWidth / 3);
box.material.uniforms.distanceX.value = distanceX;
var colour = isMouseDown ? box.colours.fast : box.colours.slow;
box.material.uniforms.r.value -= (box.material.uniforms.r.value - colour.r) * 0.1;
box.material.uniforms.g.value -= (box.material.uniforms.g.value - colour.g) * 0.1;
box.material.uniforms.b.value -= (box.material.uniforms.b.value - colour.b) * 0.1;
// normalized speed
var currentSpeed = (speed - speedNormal) / (speedFast - speedNormal)
box.material.uniforms.speed.value = currentSpeed;
// pulses more with more speed... of course!
if (Math.random() > (0.99995 - currentSpeed * 0.005)) {
box.material.uniforms.pulse.value = 1;
}
box.material.uniforms.pulse.value -= box.material.uniforms.pulse.value * 0.1 / (currentSpeed + 1);
// if (b ==13) con.log(box.material.uniforms.speed.value);
}
for (var j = 0, jl = rows; j < jl; j++) { // iterate through rows: z
for (var i = 0, il = cols; i < il; i++) { HTML+CSS+JavaScript网页特效源代码
HTML+CSS+JavaScript网页特效源代码（复制代码保存即可使用）
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