30 lines
729 B
C++
30 lines
729 B
C++
#pragma once
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#include <stdint.h>
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#include "../datatypes.cpp"
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#include "../helpers.cpp"
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#include "../buffer.cpp"
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#include "shaderbase.cpp"
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namespace UwU {
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class HGradientShader : public ShaderBase<HGradientShader> {
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public:
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HGradientShader(uint16_t u0, uint16_t u1, Color c0, Color c1) {
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this->u0 = (uint32_t)u0;
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this->uScale = 0xffffffff / (1 + (uint32_t)u1 - (uint32_t)u0);
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this->c0 = c0;
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this->c1 = c1;
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}
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uint32_t u0;
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uint32_t uScale;
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Color c0;
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Color c1;
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Color shade(uint16_t u, uint16_t v) {
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(void)v;
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uint32_t t = (((uint32_t)u - u0) * uScale) / 0x01000000;
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return Helpers::lerpColor(c0, c1, (uint8_t)t);
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}
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};
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} |