Flipper/Applications/Official/DEV_FW/source/kyhwana/blackjack/common/dml.h

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2022-12-29 06:30:12 +00:00
//
// Doofy's Math library
//
#pragma once
typedef struct {
float x;
float y;
} Vector;
#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))
#define abs(x) ((x) > 0 ? (x) : -(x))
/**
* Lerp function
*
* @param v0 Start value
* @param v1 End value
* @param t Time (0-1 range)
* @return Point between v0-v1 at a given time
*/
float lerp(float v0, float v1, float t);
/**
* 2D lerp function
*
* @param start Start vector
* @param end End vector
* @param t Time (0-1 range)
* @return 2d Vector between start and end at time
*/
Vector lerp_2d(Vector start, Vector end, float t);
/**
* Quadratic lerp function
*
* @param start Start vector
* @param control Control point
* @param end End vector
* @param t Time (0-1 range)
* @return 2d Vector at time
*/
Vector quadratic_2d(Vector start, Vector control, Vector end, float t);
/**
* Add vector components together
*
* @param a First vector
* @param b Second vector
* @return Resulting vector
*/
Vector vector_add(Vector a, Vector b);
/**
* Subtract vector components together
*
* @param a First vector
* @param b Second vector
* @return Resulting vector
*/
Vector vector_sub(Vector a, Vector b);
/**
* Multiplying vector components together
*
* @param a First vector
* @param b Second vector
* @return Resulting vector
*/
Vector vector_mul_components(Vector a, Vector b);
/**
* Dividing vector components
*
* @param a First vector
* @param b Second vector
* @return Resulting vector
*/
Vector vector_div_components(Vector a, Vector b);
/**
* Calculating Vector length
*
* @param a Direction vector
* @return Length of the vector
*/
float vector_magnitude(Vector a);
/**
* Get a normalized vector (length of 1)
*
* @param a Direction vector
* @return Normalized vector
*/
Vector vector_normalized(Vector a);
/**
* Calculate two vector's distance
*
* @param a First vector
* @param b Second vector
* @return Distance between vectors
*/
float vector_distance(Vector a, Vector b);
/**
* Calculate the dot product of the vectors.
* No need to normalize, it will do it
*
* @param a First vector
* @param b Second vector
* @return value from -1 to 1
*/
float vector_dot(Vector a, Vector b);