geometry_2d.h

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#ifndef _KOHI_MATH_GEOMETRY_2D_H_
#define _KOHI_MATH_GEOMETRY_2D_H_
 
#include "defines.h"
#include "kmath.h"
#include "math_types.h"
 
typedef struct circle_2d {
    vec2 center;
    f32 radius;
} circle_2d;
 
KINLINE b8 point_in_rect_2d(vec2 point, rect_2d rect) {
    return point.x >= rect.x && point.x <= rect.x + rect.width && point.y >= rect.y && point.y <= rect.y + rect.height;
}
 
KINLINE b8 point_in_rect_2di(vec2i point, rect_2di rect) {
    return point.x >= rect.x && point.x <= rect.x + rect.width && point.y >= rect.y && point.y <= rect.y + rect.height;
}
 
KINLINE b8 point_in_circle_2d(vec2 point, circle_2d circle) {
    f32 r_squared = circle.radius * circle.radius;
    return vec2_distance_squared(point, circle.center) <= r_squared;
}
 
#endif