html5运动,HTML5 肢体运动控制

JavaScript

语言：

JaveScriptBabelCoffeeScript

确定

'use strict';

var animations = {};

animations.leftFoot = document.querySelector('.foot.left').animate([{

transform: 'scale(1)'

}, {

transform: 'scale(.6)'

}], {

duration: 700,

iterations: Infinity,

direction: 'alternate',

delay: 0 //100 * i

});

animations.rightFoot = document.querySelector('.foot.right').animate([{

transform: 'scale(.6)'

}, {

transform: 'scale(1)'

}], {

duration: 700,

iterations: Infinity,

direction: 'alternate',

delay: 0

});

animations.rightHand = document.querySelector('.hand.right').animate([{

transform: 'scale(1)'

}, {

transform: 'scale(.6)'

}], {

duration: 700,

iterations: Infinity,

direction: 'alternate',

delay: 0 //100 * i

});

animations.leftHand = document.querySelector('.hand.left').animate([{

transform: 'scale(.6)'

}, {

transform: 'scale(1)'

}], {

duration: 700,

iterations: Infinity,

direction: 'alternate',

delay: 0

});

animations.body = document.querySelector('.body').animate([{

transform: 'translateY(0)'

}, {

transform: 'translateY(1rem)'

}], {

duration: 350,

iterations: Infinity,

direction: 'alternate',

delay: 15

});

animations.head = document.querySelector('.head').animate([{

transform: 'translateY(0)'

}, {

transform: 'translateY(1rem)'

}], {

duration: 350,

iterations: Infinity,

direction: 'alternate',

delay: 105

});

var ranges = document.querySelectorAll('input[type="range"]');

for (var i = 0, len = ranges.length; i < len; i++) {

var range = ranges[i];

range.disabled = true;

range.value = 0;

range.addEventListener('change', rangeHandler);

}

var pauses = document.querySelectorAll('.pause');

for (var i = 0, len = pauses.length; i < len; i++) {

pauses[i].addEventListener('click', pauseHandler);

}

var rates = document.querySelectorAll('.rate-2x');

for (var i = 0, len = rates.length; i < len; i++) {

rates[i].addEventListener('click', rateHandler);

}

var duration = 1400;

function rangeHandler(e) {

console.log('Enter rangeHandler');

var target = e.currentTarget;

var percent = parseInt(target.value, 10) / 100;

var player = animations[target.parentNode.getAttribute('data-mapping')];

player.currentTime = percent * duration;

}

function rateHandler(e) {

console.log('Enter rateHandler');

var target = e.currentTarget;

var player = animations[target.parentNode.getAttribute('data-mapping')];

var wasActive = target.classList.contains('active');

target.classList[wasActive ? 'remove' : 'add']('active');

player.playbackRate = wasActive ? 1 : 2;

}

function pauseHandler(e) {

console.log('Enter pauseHandler');

var target = e.currentTarget;

var mapping = target.parentNode.getAttribute('data-mapping');

var player = animations[mapping];

if (player.playState === 'paused') {

player.play();

console.log(player.playbackRate);

player.playbackRate = (player.playbackRate * 0.7).toFixed(3);

target.classList.remove('active');

document.querySelector('[data-mapping="' + mapping + '"] input').disabled = true;

} else {

var currentRange = document.querySelector('[data-mapping="' + mapping + '"] input');

currentRange.disabled = false;

currentRange.value = player.currentTime % duration / duration * 100;

player.pause();

target.classList.add('active');

}

}

animations.leftHand.onfinish = function(e) {

console.log(e);

}

/* currentTime DOES take playbackRate into account... nice.

setInterval(function() {

console.log(animations.head.currentTime,animations.body.currentTime);

}, 1000);

*/

;

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