geometryFl.h

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#ifndef _GEOMETRY_FL_H_
#define _GEOMETRY_FL_H_
 
#include <stdint.h>
#include <stdbool.h>
#include <float.h>
#include "vectorFl2d.h"

#define EPSILON 0.0001f

typedef struct
{
    vecFl_t pos;  
    float radius; 
} circleFl_t;

typedef struct
{
    vecFl_t pos;  
    float width;  
    float height; 
} rectangleFl_t;

typedef struct
{
    vecFl_t p1; 
    vecFl_t p2; 
} lineFl_t;
 
bool circleCircleFlIntersection(circleFl_t circle1, circleFl_t circle2, vecFl_t* collisionPoint, vecFl_t* collisionVec);
bool circlePointFlIntersection(circleFl_t circle, vecFl_t point, vecFl_t* collisionVec);
bool circleRectFlIntersection(circleFl_t circle, rectangleFl_t rect, vecFl_t* collisionVec);
bool circleLineFlIntersection(circleFl_t circle, lineFl_t line, bool checkEnds, vecFl_t* cpOnLine,
                              vecFl_t* collisionVec);
int16_t circleInfLineFlIntersectionPoints(circleFl_t circle, lineFl_t line, vecFl_t* intersection_1,
                                          vecFl_t* intersection_2);
bool rectRectFlIntersection(rectangleFl_t rect1, rectangleFl_t rect2, vecFl_t* collisionVec);
bool rectLineFlIntersection(rectangleFl_t rect, lineFl_t line, vecFl_t* collisionVec);
bool lineLineFlIntersection(lineFl_t a, lineFl_t b, vecFl_t* intersection);
vecFl_t infLineIntersectionPoint(lineFl_t a, lineFl_t b);
 
lineFl_t getLineBoundingBox(lineFl_t line);
int16_t circleLineSegFlIntersection(circleFl_t circle, lineFl_t line, lineFl_t boundingBox, vecFl_t* intersections);
 
#endif