#ifndef GJK_H
#define GJK_H

struct gjk_extended_result {
    b32 colliding;
    struct v2 p0, p1;  /* Closest points (or penetrating points if colliding) on each shape */
};

/* Returns simple true or false indicating shape collision */
b32 gjk_boolean(struct v2_array shape0, struct v2_array shape1);

/* Returns shape whether shapes are colliding well as closest / penetrating points on each shape.
 *
 * If shapes are colliding and `penetration_dir` is non-zero, the shortest
 * direction to resolve the collision will be used to calculate penetrating
 * points. Otherwise, the penetrating points will be calculated using the
 * supplied direction. */
struct gjk_extended_result gjk_extended(struct v2_array shape0, struct v2_array shape1, struct v2 penetration_dir);

#endif