led-cube/public/index.js

496 lines
14 KiB
JavaScript

const Frame = function (duration) {
this.layers = [];
this.duration = duration;
}
const LED_COLOR = {
WHITE: 0,
RED: 1,
GREEN: 2,
BLUE: 3,
}
const ANIMATION_FRAME_QUEUE = [];
const COLOR_CLASS = [];
COLOR_CLASS[LED_COLOR.WHITE] = 'led-white';
COLOR_CLASS[LED_COLOR.RED] = 'led-red';
COLOR_CLASS[LED_COLOR.GREEN] = 'led-green';
COLOR_CLASS[LED_COLOR.BLUE] = 'led-blue';
const Selector = function (id) {
this.items = [];
this.currentItem = 0;
this.html = document.getElementById(id);
this.htmlDisplay = this.html.querySelector('.selector-display');
this.htmlItems = this.html.querySelector('.selector-items');
this.htmlItems.hidden = true;
this.htmlDisplay.addEventListener(
'click',
() => {
this.htmlItems.hidden = !this.htmlItems.hidden;
}
);
for (const i in this.htmlItems.children) {
this.htmlItems.children.item(i).addEventListener(
'click',
() => {
this.selectItem(i);
}
);
}
this.onSelect = function () {};
this.selectItem = function (index) {
this.htmlItems.hidden = true;
if (index !== this.currentItem) {
this.currentItem = index;
this.htmlDisplay.innerHTML = this.htmlItems.children.item(index).innerHTML;
this.onSelect(index);
}
};
}
const FrameFactory = function (width, depth, height) {
this.width = width;
this.depth = depth;
this.height = height;
this.getFrame = function (duration) {
const frame = new Frame(duration);
for (let z = 0; z < this.height; z++) {
const layer = [];
for (let led = 0; led < this.width * this.depth; led++) {
layer.push(false);
}
frame.layers.push(layer);
}
return frame;
}
}
const Cube = function (width, depth, height) {
this.width = width;
this.depth = depth;
this.height = height;
this.html = document.getElementById('cube');
this.frames = [];
this.currentFrame = 0;
this.setup = function () {
this._setupHtml();
}
this.setCurrentFrame = function (frameIndex) {
this.currentFrame = frameIndex;
this._loadFrame(frameIndex);
}
this.addFrame = function (frame) {
this.frames.push(frame);
}
this.deleteFrame = function (frameIndex) {
this.frames = this.frames.slice(0, frameIndex).concat(
this.frames.slice(frameIndex + 1)
);
}
this.switchLed = function (layerIndex, ledIndex) {
this.frames[this.currentFrame].layers[layerIndex][ledIndex] = !this.frames[this.currentFrame].layers[layerIndex][ledIndex];
}
this.setLayer = function (layerIndex, state) {
for (let index = 0; index < this.width * this.depth; index++) {
this.frames[this.currentFrame].layers[layerIndex][index] = state;
}
for (const row of this.html.children.item(this.height - layerIndex - 1).children) {
for (const led of row.children) {
this._setLed(led, state);
}
}
}
this.setLedColor = function (color) {
for (const layer of this.html.children) {
for (const row of layer.children) {
for (const led of row.children) {
for (const cssClass of COLOR_CLASS) {
led.classList.remove(cssClass);
}
led.classList.add(COLOR_CLASS[color]);
}
}
}
}
this._loadFrame = function (frameIndex) {
for (let layer = 0; layer < this.frames[frameIndex].layers.length; layer++) {
for (let row = 0; row < this.depth; row++) {
for (let led = 0; led < this.width; led++) {
const state = this.frames[frameIndex].layers[layer][row * this.depth + led];
this._setLed(this.html.children.item(this.height - layer - 1).children.item(row).children.item(led), state);
}
}
}
}
this._setupHtml = function () {
for (let z = 0; z < this.height; z++) {
const layerElement = document.createElement('div');
layerElement.classList.add('layer');
for (let y = 0; y < this.depth; y++) {
const row = document.createElement('div');
row.classList.add('row');
for (let x = 0; x < this.width; x++) {
const led = document.createElement('div');
led.classList.add('led', 'led-off');
led.addEventListener(
'mousedown',
(event) => {
const index = y * this.depth + x;
const layer = this.height - z - 1;
this.switchLed(layer, index);
this._setLed(event.target, this.frames[this.currentFrame].layers[layer][index]);
}
);
led.addEventListener(
'mouseover',
(event) => {
if (event.buttons === 1) {
const index = y * this.depth + x;
const layer = this.height - z - 1;
this.switchLed(layer, index);
this._setLed(event.target, this.frames[this.currentFrame].layers[layer][index]);
}
}
);
row.appendChild(led);
}
layerElement.appendChild(row);
}
this.html.appendChild(layerElement);
}
}
this._setLed = function (ledHtml, state) {
if (state) {
ledHtml.classList.remove('led-off');
} else {
ledHtml.classList.add('led-off');
}
}
}
const FrameMenu = function (id) {
this.html = document.getElementById(id);
this.htmlSlider = this.html.querySelector('#frame-slider');
this.htmlDisplayCurrentFrame = this.html.querySelector('#current-frame');
this.htmlDisplayFrames = this.html.querySelector('#frame-number');
this.htmlButtonAddFrameBefore = this.html.querySelector('#button-add-frame-before');
this.htmlButtonAddFrameAfter = this.html.querySelector('#button-add-frame-after');
this.htmlButtonToggleAnimation = this.html.querySelector('#button-toggle-animation');
this.htmlButtonDeleteFrame = this.html.querySelector('#button-delete-frame');
this.htmlInputDuration = this.html.querySelector('#frame-duration');
this.htmlMenuGlobalDuration = this.html.querySelector('#global-duration-popup');
this.htmlButtonGlobalDuration = this.html.querySelector('#button-scale-duration');
this.htmlGlobalDurationSlider = this.html.querySelector('#global-duration-slider');
this.htmlGlobalDurationValue = this.html.querySelector('#global-duration-value');
this.htmlButtonChangeGlobalDuration = this.html.querySelector('#button-change-global-duration');
this.htmlButtonCloseGlobalDurationPopup = this.html.querySelector('#button-close-menu');
this.isAnimationPlaying = false;
this.htmlSlider.addEventListener(
'input',
() => {
this._updateFramePosition();
}
);
this.htmlButtonAddFrameBefore.addEventListener(
'click',
() => {
this._increaseSliderMax();
this.onFramePrepend();
}
);
this.htmlButtonAddFrameAfter.addEventListener(
'click',
() => {
this._increaseSliderMax();
this.onFrameAppend();
}
);
this.htmlInputDuration.addEventListener(
'input',
() => {
this.onInputDuration(this.htmlInputDuration.value);
}
);
this.htmlButtonToggleAnimation.addEventListener(
'click',
() => {
this.isAnimationPlaying = !this.isAnimationPlaying;
this._updateToggleButton();
this.onToggleAnimation(this.isAnimationPlaying);
}
);
this.htmlButtonDeleteFrame.addEventListener(
'click',
() => {
this._decreaseSliderMax();
this.onFrameDelete();
}
);
this.htmlButtonGlobalDuration.addEventListener(
'click',
() => {
this.htmlMenuGlobalDuration.style.display = 'inherit';
}
);
this.htmlGlobalDurationSlider.addEventListener(
'input',
() => {
this.htmlGlobalDurationValue.innerText = this.htmlGlobalDurationSlider.value;
}
);
this.htmlButtonChangeGlobalDuration.addEventListener(
'click',
() => {
this.onChangeGlobalDuration();
}
);
this.htmlButtonCloseGlobalDurationPopup.addEventListener(
'click',
() => {
this.htmlMenuGlobalDuration.style.display = 'none';
}
)
this.slideToFrame = function (frameIndex) {
this.htmlSlider.value = frameIndex + 1;
this._updateFramePosition();
}
this.setDuration = function (duration) {
this.htmlInputDuration.value = duration;
}
this.startAnimation = function () {
this.isAnimationPlaying = false;
this._updateToggleButton();
}
this.stopAnimation = function () {
this.isAnimationPlaying = false;
this._updateToggleButton();
}
this.onFramePrepend = function () {}
this.onFrameAppend = function () {}
this.onFrameDelete = function () {}
this.onSlide = function () {}
this.onInputDuration = function () {}
this.onToggleAnimation = function () {}
this.onChangeGlobalDuration = function () {}
this._increaseSliderMax = function () {
const frameNumber = parseInt(this.htmlSlider.max) + 1;
this.htmlSlider.max = frameNumber;
this.htmlDisplayFrames.innerText = frameNumber;
if (frameNumber > 1) {
this.htmlButtonToggleAnimation.disabled = false;
}
this.htmlButtonDeleteFrame.disabled = false;
}
this._decreaseSliderMax = function () {
const frameNumber = parseInt(this.htmlSlider.max) - 1;
this.htmlSlider.max = frameNumber;
this.htmlDisplayFrames.innerText = frameNumber;
if (frameNumber < 2) {
this.htmlButtonToggleAnimation.disabled = true;
this.htmlButtonDeleteFrame.disabled = true;
}
}
this._updateFramePosition = function () {
this.htmlDisplayCurrentFrame.innerText = this.htmlSlider.value;
this.onSlide(this.htmlSlider.value - 1);
}
this._updateToggleButton = function () {
if (this.isAnimationPlaying) {
this.htmlButtonToggleAnimation.classList.add('icon-button-stop');
this.htmlButtonToggleAnimation.classList.remove('icon-button-play');
} else {
this.htmlButtonToggleAnimation.classList.add('icon-button-play');
this.htmlButtonToggleAnimation.classList.remove('icon-button-stop');
}
const elements = [
this.htmlSlider,
this.htmlButtonAddFrameAfter,
this.htmlButtonAddFrameBefore,
this.htmlInputDuration,
this.htmlButtonDeleteFrame,
];
for (const element of elements) {
element.disabled = this.isAnimationPlaying;
}
}
}
const WIDTH = 4;
const DEPTH = 4;
const HEIGHT = 4;
const cube = new Cube(WIDTH, DEPTH, HEIGHT);
cube.setup();
const frameFactory = new FrameFactory(WIDTH, DEPTH, HEIGHT);
cube.frames.push(frameFactory.getFrame(500));
cube.setCurrentFrame(0);
cube.setLedColor(LED_COLOR.RED);
const colorSelector = new Selector('color-selector');
colorSelector.onSelect = (index) => {
cube.setLedColor(index);
};
colorSelector.selectItem(LED_COLOR.RED);
const frameMenu = new FrameMenu('frame-menu');
frameMenu.onSlide = (frameIndex) => {
cube.setCurrentFrame(frameIndex);
frameMenu.setDuration(cube.frames[cube.currentFrame].duration);
}
frameMenu.onFramePrepend = () => {
cube.frames = cube.frames.slice(0, cube.currentFrame).concat(
[frameFactory.getFrame(cube.frames[cube.currentFrame].duration)].concat(
cube.frames.slice(cube.currentFrame)
)
);
frameMenu.slideToFrame(cube.currentFrame - 1);
}
frameMenu.onFrameAppend = () => {
cube.frames = cube.frames.slice(0, cube.currentFrame + 1).concat(
[frameFactory.getFrame(cube.frames[cube.currentFrame].duration)].concat(
cube.frames.slice(cube.currentFrame + 1)
)
);
frameMenu.slideToFrame(cube.currentFrame + 1);
}
frameMenu.onInputDuration = (duration) => {
if (+duration <= 0) {
return;
}
cube.frames[cube.currentFrame].duration = +duration;
}
frameMenu.onToggleAnimation = (isPlaying) => {
if (isPlaying) {
let duration = 0;
for (let frame = cube.currentFrame; frame < cube.frames.length; frame++) {
duration += cube.frames[frame].duration;
if (frame === cube.frames.length - 1) {
setTimeout(
() => {
frameMenu.stopAnimation();
},
duration
);
}
ANIMATION_FRAME_QUEUE.push(
setTimeout(
() => {
frameMenu.slideToFrame(frame + 1);
},
duration
)
)
}
} else {
for (const frame of ANIMATION_FRAME_QUEUE) {
clearTimeout(frame);
}
frameMenu.stopAnimation();
}
}
frameMenu.onFrameDelete = () => {
if (cube.frames.length < 2) {
return;
}
cube.deleteFrame(cube.currentFrame);
cube.currentFrame--;
cube.currentFrame = cube.currentFrame < 0 ? 0 : cube.currentFrame;
frameMenu.slideToFrame(cube.currentFrame);
}
frameMenu.onChangeGlobalDuration = () => {
const factor = frameMenu.htmlGlobalDurationSlider.value / 100;
for (const frame of cube.frames) {
frame.duration *= factor;
}
frameMenu.htmlInputDuration.value = cube.frames[cube.currentFrame].duration;
frameMenu.htmlMenuGlobalDuration.style.display = 'none';
frameMenu,htmlGlobalDurationSlider.value = 100;
}