ColorRamp.h

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#pragma once
 
#include <cstdint>
#include <vector>
 
namespace eve::procgen {
 
struct Rgba8 {
    uint8_t r = 0, g = 0, b = 0, a = 255;
};
 
struct ColorRamp {
    struct Stop {
        float t = 0.f;
        Rgba8 c;
    };
 
    std::vector<Stop> stops;
 
    void add(float t, uint8_t r, uint8_t g, uint8_t b, uint8_t a = 255);
    Rgba8 sample(float t) const;
    Rgba8 sampleBanded(float t, int bands) const;
};
 
}  // namespace eve::procgen