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ngx-party-parrots

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/** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ import { Component, HostListener, Input, NgZone, ViewChild } from '@angular/core'; import { config } from '../../config'; /** @enum {string} */ const SlalomDirection = { RIGHT: 'RIGHT', LEFT: 'LEFT', }; export class NgxPartyParrotsComponent { /** * @param {?} ngZone */ constructor(ngZone) { this.ngZone = ngZone; this.parrotsSprites = []; this.ngZone.runOutsideAngular((/** * @return {?} */ () => { /** @type {?} */ const loop = (/** * @return {?} */ () => { this.context.clearRect(0, 0, this.canvasWidth, this.canvasHeight); this.parrotsSprites.forEach((/** * @param {?} parrot * @return {?} */ (parrot) => { parrot.update(); parrot.render(); })); this.windowAnimationFrame = requestAnimationFrame(loop); }); this.windowAnimationFrame = requestAnimationFrame(loop); })); } /** * @param {?} mode * @return {?} */ set mode(mode) { this.opacity = this.opacity || config.modes[mode].opacity; this.parrotsAmount = this.parrotsAmount || config.modes[mode].parrotsAmount; this.parrotsData = this.parrotsData || config.modes[mode].parrotsData; this.speed = this.speed || config.modes[mode].speed; this.skiingMode = this.skiingMode || config.modes[mode].skiingMode; this.slalomLength = this.slalomLength || config.modes[mode].slalomLength; } /** * @return {?} */ ngOnInit() { this.prepareCanvas(); this.parrotsSprites = Array.from({ length: this.parrotsAmount }) .map((/** * @return {?} */ () => this.createSprite())); } /** * @return {?} */ prepareCanvas() { this.canvasWidth = window.innerWidth; this.canvasHeight = window.innerHeight; // resize canvas to match whole window this.canvas.nativeElement.width = this.canvasWidth; this.canvas.nativeElement.height = this.canvasHeight; // save canvas context this.context = this.canvas.nativeElement.getContext('2d'); this.context.globalAlpha = this.opacity; } /** * @param {?} src * @return {?} */ createImage(src) { /** @type {?} */ const parrotImage = new Image(); parrotImage.src = src; return parrotImage; } /** * @return {?} */ createSprite() { /** @type {?} */ let randomParrot = this.randomNumberFromMinToMax(0, this.parrotsData.length); /** @type {?} */ let options = (/** * @param {?} randomParrot * @return {?} */ (randomParrot) => { return { frameIndex: 0, tickCount: 0, ticksPerFrame: 1, positionX: this.randomNumberFromMinToMax(0, this.canvasWidth), positionY: this.randomNumberFromMinToMax(this.randomNumberFromMinToMax(-150, -100), 0), slalomMovementLength: this.randomNumberFromMinToMax(this.slalomLength.min, this.slalomLength.max), slalomMovementDirection: SlalomDirection.RIGHT, speed: this.randomNumberFromMinToMax(this.speed.min, this.speed.max), scaleFactor: this.getScalingFactorForWidth(this.parrotsData[randomParrot].width), context: this.context, image: this.createImage(this.parrotsData[randomParrot].imageSrc) }; }); /** @type {?} */ let sprite = Object.assign({}, this.parrotsData[randomParrot], options(randomParrot)); sprite.render = (/** * @return {?} */ () => { sprite.context.drawImage(sprite.image, sprite.frameIndex * sprite.width / sprite.numberOfFrames, 0, sprite.width / sprite.numberOfFrames, sprite.height, sprite.positionX, sprite.positionY, sprite.width / sprite.scaleFactor / sprite.numberOfFrames, sprite.height / sprite.scaleFactor); }); sprite.updatePosition = (/** * @return {?} */ () => { if (sprite.positionY < this.canvasHeight) { sprite.positionY = sprite.positionY + sprite.speed; if (this.skiingMode === 'yes') { this.setSlalomDirection(sprite); } } else { randomParrot = this.randomNumberFromMinToMax(0, this.parrotsData.length); sprite = Object.assign({}, sprite, this.parrotsData[randomParrot], options(randomParrot)); // sprite.positionX = this.randomNumberFromMinToMax(0, this.canvasWidth); // sprite.positionY = this.randomNumberFromMinToMax(-200, 0); } }); sprite.updateFrames = (/** * @return {?} */ () => { // If the current frame index is in range if (sprite.frameIndex < sprite.numberOfFrames - 1) { sprite.frameIndex += 1; } else { sprite.frameIndex = 0; } }); sprite.update = (/** * @return {?} */ () => { sprite.tickCount += 1; if (sprite.tickCount > sprite.ticksPerFrame) { sprite.tickCount = 0; sprite.updateFrames(); sprite.updatePosition(); } }); return sprite; } /** * @param {?} min * @param {?} max * @return {?} */ randomNumberFromMinToMax(min, max) { return Math.floor(Math.random() * max) + min; } /** * @param {?} width * @return {?} */ getScalingFactorForWidth(width) { if (width < 1280) { return 1; } else { return Number((Math.random() * (2 - 1) + 2).toFixed(2)); } } /** * @param {?} sprite * @return {?} */ setSlalomDirection(sprite) { // if out of the board from the right if (sprite.positionX > this.canvasWidth) { sprite.slalomMovementDirection = SlalomDirection.LEFT; sprite.slalomMovementLength = this.randomNumberFromMinToMax(this.slalomLength.min, this.slalomLength.max); } // if out of the board from the left if (sprite.positionX < 0) { sprite.slalomMovementDirection = SlalomDirection.RIGHT; sprite.slalomMovementLength = this.randomNumberFromMinToMax(this.slalomLength.min, this.slalomLength.max); } if (sprite.slalomMovementDirection === SlalomDirection.LEFT && sprite.slalomMovementLength) { sprite.positionX = sprite.positionX - sprite.speed; sprite.slalomMovementLength--; } if (sprite.slalomMovementDirection === SlalomDirection.RIGHT && sprite.slalomMovementLength) { sprite.positionX = sprite.positionX + sprite.speed; sprite.slalomMovementLength--; } if (sprite.slalomMovementLength === 0) { // change direction if (sprite.slalomMovementDirection === SlalomDirection.RIGHT) { sprite.slalomMovementDirection = SlalomDirection.LEFT; } else { sprite.slalomMovementDirection = SlalomDirection.RIGHT; } sprite.slalomMovementLength = this.randomNumberFromMinToMax(this.slalomLength.min, this.slalomLength.max); } } /** * @return {?} */ onResize() { this.canvasWidth = window.innerWidth; this.canvasHeight = window.innerHeight; // update canvas size (possibly window resized) this.canvas.nativeElement.width = this.canvasWidth; this.canvas.nativeElement.height = this.canvasHeight; } /** * @return {?} */ ngOnDestroy() { cancelAnimationFrame(this.windowAnimationFrame); } } NgxPartyParrotsComponent.decorators = [ { type: Component, args: [{ selector: 'ngx-pp-party-parrots', template: "<canvas class=\"parrot-rain\" #canvas></canvas>\n", styles: [".parrot-rain{width:100vw;height:100vh;background:0 0;margin:0;padding:0;position:fixed;left:0;top:0;z-index:100;pointer-events:none}"] }] } ]; /** @nocollapse */ NgxPartyParrotsComponent.ctorParameters = () => [ { type: NgZone } ]; NgxPartyParrotsComponent.propDecorators = { canvas: [{ type: ViewChild, args: ['canvas',] }], parrotsAmount: [{ type: Input }], opacity: [{ type: Input }], parrotsData: [{ type: Input }], speed: [{ type: Input }], skiingMode: [{ type: Input }], slalomLength: [{ type: Input }], mode: [{ type: Input, args: ['mode',] }], onResize: [{ type: HostListener, args: ['window:resize',] }] }; if (false) { /** @type {?} */ NgxPartyParrotsComponent.prototype.canvas; /** @type {?} */ NgxPartyParrotsComponent.prototype.parrotsAmount; /** @type {?} */ NgxPartyParrotsComponent.prototype.opacity; /** @type {?} */ NgxPartyParrotsComponent.prototype.parrotsData; /** @type {?} */ NgxPartyParrotsComponent.prototype.speed; /** @type {?} */ NgxPartyParrotsComponent.prototype.skiingMode; /** @type {?} */ NgxPartyParrotsComponent.prototype.slalomLength; /** * @type {?} * @private */ NgxPartyParrotsComponent.prototype.canvasWidth; /** * @type {?} * @private */ NgxPartyParrotsComponent.prototype.canvasHeight; /** * @type {?} * @private */ NgxPartyParrotsComponent.prototype.context; /** * @type {?} * @private */ NgxPartyParrotsComponent.prototype.windowAnimationFrame; /** @type {?} */ NgxPartyParrotsComponent.prototype.parrotsSprites; /** @type {?} */ NgxPartyParrotsComponent.prototype.ngZone; } //# 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{ Component, HostListener, Input, NgZone, OnDestroy, OnInit, ViewChild } from '@angular/core';\nimport { config } from '../../config';\nimport { ParrotModel } from '../../parrots/parrot.model';\n\n\nenum SlalomDirection {\n  RIGHT = 'RIGHT',\n  LEFT = 'LEFT'\n}\n\n@Component({\n  selector: 'ngx-pp-party-parrots',\n  templateUrl: './ngx-party-parrots.component.html',\n  styleUrls: ['./ngx-party-parrots.component.css']\n})\nexport class NgxPartyParrotsComponent implements OnInit, OnDestroy {\n\n  @ViewChild('canvas') canvas;\n  @Input() parrotsAmount: number;\n  @Input() opacity: number;\n  @Input() parrotsData: ParrotModel[];\n  @Input() speed: { min: number, max: number };\n  @Input() skiingMode: string;\n  @Input() slalomLength: { min: number, max: number };\n\n  @Input('mode') set mode(mode: string) {\n    this.opacity = this.opacity || config.modes[mode].opacity;\n    this.parrotsAmount = this.parrotsAmount || config.modes[mode].parrotsAmount;\n    this.parrotsData = this.parrotsData || config.modes[mode].parrotsData;\n    this.speed = this.speed || config.modes[mode].speed;\n    this.skiingMode = this.skiingMode || config.modes[mode].skiingMode;\n    this.slalomLength = this.slalomLength || config.modes[mode].slalomLength;\n  }\n\n  private canvasWidth: number;\n  private canvasHeight: number;\n  private context: CanvasRenderingContext2D;\n  private windowAnimationFrame: number;\n  parrotsSprites = [];\n\n  constructor(public ngZone: NgZone) {\n    this.ngZone.runOutsideAngular(() => {\n      const loop = () => {\n        this.context.clearRect(0, 0, this.canvasWidth, this.canvasHeight);\n        this.parrotsSprites.forEach((parrot) => {\n          parrot.update();\n          parrot.render();\n        });\n        this.windowAnimationFrame = requestAnimationFrame(loop);\n\n      };\n\n      this.windowAnimationFrame = requestAnimationFrame(loop);\n    });\n  }\n\n  ngOnInit() {\n    this.prepareCanvas();\n    this.parrotsSprites = Array.from({length: this.parrotsAmount})\n      .map(() => this.createSprite());\n  }\n\n  prepareCanvas(): void {\n    this.canvasWidth = window.innerWidth;\n    this.canvasHeight = window.innerHeight;\n\n    // resize canvas to match whole window\n    this.canvas.nativeElement.width = this.canvasWidth;\n    this.canvas.nativeElement.height = this.canvasHeight;\n\n    // save canvas context\n    this.context = this.canvas.nativeElement.getContext('2d');\n    this.context.globalAlpha = this.opacity;\n  }\n  createImage(src): HTMLImageElement {\n    const parrotImage = new Image();\n    parrotImage.src = src;\n    return parrotImage;\n  }\n  createSprite() {\n    let randomParrot: number = this.randomNumberFromMinToMax(0, this.parrotsData.length);\n\n    let options = (randomParrot) => {\n      return {\n        frameIndex: 0,\n        tickCount: 0,\n        ticksPerFrame: 1,\n        positionX: this.randomNumberFromMinToMax(0, this.canvasWidth),\n        positionY: this.randomNumberFromMinToMax(this.randomNumberFromMinToMax(-150, -100), 0),\n        slalomMovementLength: this.randomNumberFromMinToMax(this.slalomLength.min, this.slalomLength.max),\n        slalomMovementDirection: SlalomDirection.RIGHT,\n        speed: this.randomNumberFromMinToMax(this.speed.min, this.speed.max),\n        scaleFactor: this.getScalingFactorForWidth(this.parrotsData[randomParrot].width),\n        context: this.context,\n        image: this.createImage(this.parrotsData[randomParrot].imageSrc)\n      }\n\n    };\n\n    let sprite: any = {\n      ...this.parrotsData[randomParrot],\n      ...options(randomParrot)\n    };\n\n    sprite.render = () => {\n      sprite.context.drawImage(\n        sprite.image,\n        sprite.frameIndex * sprite.width / sprite.numberOfFrames,\n        0,\n        sprite.width / sprite.numberOfFrames,\n        sprite.height,\n        sprite.positionX,\n        sprite.positionY,\n        sprite.width / sprite.scaleFactor / sprite.numberOfFrames,\n        sprite.height / sprite.scaleFactor);\n    };\n\n    sprite.updatePosition = () => {\n      if (sprite.positionY < this.canvasHeight) {\n        sprite.positionY = sprite.positionY + sprite.speed;\n\n        if (this.skiingMode === 'yes') {\n          this.setSlalomDirection(sprite);\n        }\n\n      } else {\n        randomParrot = this.randomNumberFromMinToMax(0, this.parrotsData.length);\n\n        sprite = {\n          ...sprite,\n          ...this.parrotsData[randomParrot],\n          ...options(randomParrot)\n        }\n\n\n        // sprite.positionX = this.randomNumberFromMinToMax(0, this.canvasWidth);\n        // sprite.positionY = this.randomNumberFromMinToMax(-200, 0);\n\n\n      }\n    };\n\n    sprite.updateFrames = () => {\n      // If the current frame index is in range\n      if (sprite.frameIndex < sprite.numberOfFrames - 1) {\n        sprite.frameIndex += 1;\n      } else {\n        sprite.frameIndex = 0;\n      }\n    };\n\n    sprite.update = () => {\n\n      sprite.tickCount += 1;\n\n      if (sprite.tickCount > sprite.ticksPerFrame) {\n        sprite.tickCount = 0;\n        sprite.updateFrames();\n        sprite.updatePosition();\n      }\n    };\n    return sprite;\n  }\n\n  randomNumberFromMinToMax(min: number, max: number): number {\n    return Math.floor(Math.random() * max) + min;\n  }\n\n  getScalingFactorForWidth(width): number {\n    if (width < 1280) {\n      return 1;\n    } else {\n      return Number((Math.random() * (2 - 1) + 2).toFixed(2));\n    }\n  }\n  setSlalomDirection(sprite) {\n    // if out of the board from the right\n    if (sprite.positionX > this.canvasWidth) {\n      sprite.slalomMovementDirection = SlalomDirection.LEFT;\n      sprite.slalomMovementLength = this.randomNumberFromMinToMax(this.slalomLength.min, this.slalomLength.max);\n    }\n    // if out of the board from the left\n    if (sprite.positionX < 0) {\n      sprite.slalomMovementDirection = SlalomDirection.RIGHT;\n      sprite.slalomMovementLength = this.randomNumberFromMinToMax(this.slalomLength.min, this.slalomLength.max);\n    }\n\n    if (sprite.slalomMovementDirection === SlalomDirection.LEFT && sprite.slalomMovementLength) {\n      sprite.positionX = sprite.positionX - sprite.speed;\n      sprite.slalomMovementLength--;\n    }\n\n    if (sprite.slalomMovementDirection === SlalomDirection.RIGHT && sprite.slalomMovementLength) {\n      sprite.positionX = sprite.positionX + sprite.speed;\n      sprite.slalomMovementLength--;\n    }\n\n    if (sprite.slalomMovementLength === 0) {\n      // change direction\n      if (sprite.slalomMovementDirection === SlalomDirection.RIGHT) {\n        sprite.slalomMovementDirection = SlalomDirection.LEFT;\n      } else {\n        sprite.slalomMovementDirection = SlalomDirection.RIGHT;\n      }\n      sprite.slalomMovementLength = this.randomNumberFromMinToMax(this.slalomLength.min, this.slalomLength.max);\n    }\n  }\n  @HostListener('window:resize')\n  onResize(): void {\n    this.canvasWidth = window.innerWidth;\n    this.canvasHeight = window.innerHeight;\n\n    // update canvas size (possibly window resized)\n    this.canvas.nativeElement.width = this.canvasWidth;\n    this.canvas.nativeElement.height = this.canvasHeight;\n  }\n\n  ngOnDestroy(): void {\n    cancelAnimationFrame(this.windowAnimationFrame);\n  }\n\n}\n"]}