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56 lines
1.9 KiB
Text
56 lines
1.9 KiB
Text
// Copyright © SixtyFPS GmbH <info@slint.dev>
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// SPDX-License-Identifier: MIT
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import { ComboBox } from "std-widgets.slint";
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component WaveImage {
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in property <length> screen-width;
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in property <length> wave-period: 1000px;
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in property <length> wave-size: 50px;
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in property <length> start-x: 0px;
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in property <duration> random-duration: 0ms;
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in property <float> scale: 1;
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property <duration> baseDuration: 1s;
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property <duration> total-duration: (baseDuration + random-duration);
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property <length> total-distance: (screen-width + 150px) + start-x.abs();
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// This will start the item off screen and move it to the right. Then loop back.
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x: -(start-x + 90px) + (total-distance * (animation-tick() / total-duration)).mod(total-distance);
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Image {
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y: sin(360deg * (root.x / wave-period) ) * wave-size;
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source: @image-url("../../logo/slint-logo-small-light.png");
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width: self.source.width * scale * 1px;
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height: self.source.height * scale * 1px;
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colorize: #2479f4.mix(white, 1-(scale - 0.3 ));
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}
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}
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export component AppWindow inherits Window {
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property <[int]> logo-model: [10, 50, 100, 200, 500 ];
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preferred-height: 600px;
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preferred-width: 1000px;
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// pseudo-random function
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function random(seed: int) -> float {
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return (115249 * (seed + 196) * seed).mod(25117) / 25117;
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}
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cb := ComboBox {
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x: 10px;
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y: 10px;
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model: [10, 50, 100, 200, 500];
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current-index: 1;
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}
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// Set up each logo image with random properties
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for i in logo-model[cb.current-index] : WaveImage {
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y: root.height * random(i + 1);
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screen-width: root.width;
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random-duration: 5000ms + 10000ms * random(i + 20);
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wave-period: 800px + 200px * random(i);
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start-x: root.width * random(i);
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scale: 0.3 + 0.7 * random(i + 5);
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wave-size: 50px + 50px * random(i + 6);
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}
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}
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