util.h

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#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
// Time

unsigned long currentTimeMillis();

unsigned long long currentTimeNanos();

void sleepMillis(unsigned long millis);

void sleepNanos(unsigned long long nanos);
 
// Math

double clamp_d(double value, double min, double max);

float clamp_f(float value, float min, float max);

int clamp_i(int value, int min, int max);

double lerp_d(double a, double b, double t);

float lerp_f(float a, float b, float t);

int lerp_i(int a, int b, double t);

void rgb_to_hsv(int rgb, double* h, double* s, double* v);

int hsv_to_rgb(double h, double s, double v);

int lerp_color(int rgb1, int rgb2, double t);
 
#ifdef __cplusplus
}
#endif