Simon Schneegans
20 lines
803 B
JavaScript
20 lines
803 B
JavaScript
// SPDX-FileCopyrightText: Simon Schneegans <code@simonschneegans.de>
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// SPDX-License-Identifier: GPL-3.0-or-later
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// This part is automatically included in the effect's source during the build process.
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// The code below is called whenever a window is closed or opened.
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let seed = [Math.random(), Math.random()];
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let startPos = seed[0] > seed[1] ? [seed[0], Math.floor(seed[1] + 0.5)] :
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[Math.floor(seed[0] + 0.5), seed[1]];
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if (effect.readConfig('UsePointer', true)) {
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startPos = [
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Math.min(1.0, Math.max(0.0, (effects.cursorPos.x - window.x) / window.width)),
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Math.min(1.0, Math.max(0.0, (effects.cursorPos.y - window.y) / window.height))
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];
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}
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effect.setUniform(this.shader, 'uSeed', seed);
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effect.setUniform(this.shader, 'uStartPos', startPos);
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