frillrun/src/engine/random.c

#include "random.h"

void
random_seed_set(u64 seed)
{
	jsw_seed(seed);
}

void
random_seed_time_set(void)
{	
	random_seed_set(jsw_time_seed());
}

f32
random_f32(void)
{
	return (f32)jsw_rand() / (f32)UINT_MAX;
}

f32
random_f32_in_range(f32 min, f32 max)
{
	return (f32)((random_f32() * (max - min)) + min);
}

s32
random_s32_in_range(s32 min, s32 max)
{
	return (s32)((random_f32() * (max - min)) + min);
}

bool
random_bool(void)
{
	return random_s32_in_range(0, 2);
}