25 lines
No EOL
868 B
HLSL
25 lines
No EOL
868 B
HLSL
#include "../sample/sprite.hlsl"
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#include "../math/mod.hlsl"
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/*
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contributors: Patricio Gonzalez Vivo
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description: sample a frame on a sprite sheet
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use: <SPRITELOOP_TYPE> SpriteLOOP(<SAMPLER_TYPE >tex, <float2> st, <float2> grid, <float> frame)
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options:
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- SAMPLER_FNC(TEX, UV)
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- SAMPLESPRITE_TYPE: float4
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- SAMPLESPRITE_SAMPLER_FNC(UV)
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license:
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- Copyright (c) 2021 Patricio Gonzalez Vivo under Prosperity License - https://prosperitylicense.com/versions/3.0.0
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- Copyright (c) 2021 Patricio Gonzalez Vivo under Patron License - https://lygia.xyz/license
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*/
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#ifndef FNC_SPRITELOOP
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#define FNC_SPRITELOOP
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SAMPLESPRITE_TYPE spriteLoop(SAMPLER_TYPE tex, float2 st, float2 grid, float start_index, float end_index, float time) {
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float frame = mod(time, end_index-start_index);
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return sampleSprite(tex, st, grid, start_index + frame);
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}
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#endif |