/* -------------------------------------------

	Copyright ZKA Technologies.

------------------------------------------- */

#pragma once

/// @file Math.h
/// @brief Linear interpolation implementation.

#ifdef ZKA_FB_USE_DOUBLE
typedef double fb_real_t;
#else
typedef float fb_real_t;
#endif

/// @brief Linear interpolation equation solver.
/// @param from where?
/// @param to to?
/// @param at which state we're at **to**.
inline fb_real_t fb_math_lerp(fb_real_t to, fb_real_t from, fb_real_t stat)
{
	fb_real_t difference = to - from;
	return from + (difference * stat);
}