ES-DE/es-core/src/utils/MathUtil.h

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// SPDX-License-Identifier: MIT
//
// EmulationStation Desktop Edition
// MathUtil.h
//
// Math utility functions.
// The GLM library headers are also included from here.
//
#ifndef ES_CORE_UTILS_MATH_UTIL_H
#define ES_CORE_UTILS_MATH_UTIL_H
#include <glm/ext/matrix_clip_space.hpp>
#include <glm/ext/matrix_transform.hpp>
#include <glm/trigonometric.hpp>
#include <string>
namespace Utils
{
namespace Math
{
float smoothStep(const float left, const float right, const float value);
float smootherStep(const float left, const float right, const float value);
// Used for horizontal scrolling, e.g. long names in TextListComponent.
float loop(const float delayTime,
const float scrollTime,
const float currentTime,
const float scrollLength);
// Variation of the loop, with an acceleration and deceleration at the start and ending.
float bounce(const float delayTime,
const float scrollTime,
const float currentTime,
const float scrollLength);
// The MD5 functions are derived from the RSA Data Security, Inc. MD5 Message-Digest
2021-09-17 19:10:16 +00:00
// Algorithm.
std::string md5Hash(const std::string& data);
void md5Update(const unsigned char* buf,
unsigned int length,
unsigned int (&state)[4],
unsigned int (&count)[2],
unsigned char (&buffer)[64]);
void md5Transform(const unsigned char block[64], unsigned int (&state)[4]);
} // namespace Math
} // namespace Utils
#endif // ES_CORE_UTILS_MATH_UTIL_H