79 lines
2.2 KiB
JavaScript
79 lines
2.2 KiB
JavaScript
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export class TMRAnimations {
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static withAnimation(sprite, pixiTMR, ...animations) {
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if (animations.length > 0) {
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animations.forEach(animation =>
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pixiTMR.animate(pixiApp => pixiApp.ticker.add(delta => animation(sprite, delta)))
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)
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}
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return sprite
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}
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static rotation(options = { frequence: () => 1, angle: () => 1 }) {
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return (sprite, delta) => {
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if (!sprite.tmrConfig) {
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sprite.tmrConfig = { nextTick: 0 }
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}
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sprite.tmrConfig.nextTick -= delta
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if (sprite.tmrConfig.nextTick <= 0) {
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sprite.tmrConfig.nextTick = options.frequence(delta)
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sprite.angle += options.angle(delta)
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}
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}
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}
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static changeZoom(range = { min: 0.8, max: 1.2, step: 0.005 }) {
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return (sprite, delta) => {
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if (!sprite.tmrConfig) {
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sprite.tmrConfig = TMRAnimations.startRange(range)
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}
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sprite.tmrConfig.current += (sprite.tmrConfig.step * delta)
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if (sprite.tmrConfig.current < sprite.tmrConfig.min) {
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sprite.tmrConfig.step = Math.abs(sprite.tmrConfig.step)
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}
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else if (sprite.tmrConfig.current > sprite.tmrConfig.max) {
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sprite.tmrConfig.step = -Math.abs(sprite.tmrConfig.step)
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}
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const taille = sprite.tmrConfig.current * sprite.taille()
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sprite.width = taille
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sprite.height = taille
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}
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}
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static verticalAxis(options = { step: 1 }) {
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return (sprite, delta) => {
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if (!sprite.tmrConfig) {
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sprite.tmrConfig = this.startRange({
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min: -Math.PI / 2,
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max: Math.PI / 2,
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step: options.step * Math.PI / 180,
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})
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}
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sprite.tmrConfig.current += (sprite.tmrConfig.step * delta)
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sprite.width = Math.cos(sprite.tmrConfig.current) * sprite.taille()
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}
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}
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static startRange(range) {
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range.current = TMRAnimations.randomInSegment(range)
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const min = range.min
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if (min > range.max) {
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range.min = range.max
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range.max = min
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}
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return range
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}
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static outOfRange(range) {
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return range.current < range.min || range.current > range.max
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}
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static randomInSegment(range) {
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const min = range.min
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const max = range.max
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const step = range.step
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return min + (Math.floor(Math.random() / step) * step) * (max - min)
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}
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}
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