fuckingtech/public/assets/glsl/lygia/animation/easing/sineIn.glsl
Elias Rhouzlane bf76c6b086 fix: code
2025-04-06 17:23:52 +02:00

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GLSL

#include "../../math/const.glsl"
/*
contributors: Hugh Kennedy (https://github.com/hughsk)
description: Sine in easing. From https://github.com/stackgl/glsl-easings
use: sineIn(<float> x)
examples:
- https://raw.githubusercontent.com/patriciogonzalezvivo/lygia_examples/main/animation_easing.frag
*/
#ifndef FNC_SINEIN
#define FNC_SINEIN
float sineIn(in float t) { return sin((t - 1.0) * HALF_PI) + 1.0; }
#endif