141 lines
3.4 KiB
C
141 lines
3.4 KiB
C
#ifndef ARC_MATH_RECT_H_
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#define ARC_MATH_RECT_H_
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#include <stdint.h>
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#include "point.h"
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#include "vector2.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct ARC_Rect {
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int32_t x;
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int32_t y;
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int32_t w;
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int32_t h;
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} ARC_Rect;
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typedef struct ARC_URect {
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uint32_t x;
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uint32_t y;
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uint32_t w;
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uint32_t h;
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} ARC_URect;
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typedef struct ARC_FRect {
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float x;
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float y;
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float w;
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float h;
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} ARC_FRect;
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/**
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* @brief centers rect on given bounds
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*
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* @param rect ARC_Rect to be centered
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* @param bounds ARC_Rect area to center rect on
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*/
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void ARC_Rect_CenterOn(ARC_Rect *rect, ARC_Rect *bounds);
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/**
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* @brief centers rect on given bounds
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*
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* @param rect ARC_FRect to be centered
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* @param bounds ARC_FRect area to center rect on
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*/
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void ARC_FRect_CenterOn(ARC_FRect *rect, ARC_FRect *bounds);
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/**
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* @brief casts Rect to FRect
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*
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* @param rect ARC_Rect to be casted
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*
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* @return ARC_FRect
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*/
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ARC_FRect ARC_Rect_CastToFRect(ARC_Rect *rect);
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/**
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* @brief casts FRect to Rect
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*
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* @param rect ARC_FRect to be casted
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*
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* @return ARC_Rect
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*/
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ARC_Rect ARC_FRect_CastToRect(ARC_FRect *rect);
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/**
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* @brief checks if two ARC_Rects intersect
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*
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* @param rect1 ARC_Rect that will be checked against rect2
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* @param rect2 ARC_Rect that will be checked against rect1
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*
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* @return 1 if they intersect, 0 if they don't intersect
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*/
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int32_t ARC_Rect_Intersects(ARC_Rect *rect1, ARC_Rect *rect2);
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/**
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* @brief checks if two ARC_FRects intersect
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*
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* @param rect1 ARC_FRect that will be checked against rect2
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* @param rect2 ARC_FRect that will be checked against rect1
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*
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* @return 1 if they intersect, 0 if they don't intersect
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*/
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int32_t ARC_FRect_Intersects(ARC_FRect *rect1, ARC_FRect *rect2);
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/**
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* @brief checks if ARC_Rect intersects with point
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*
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* @param rect ARC_Rect that will be checked against point
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* @param point ARC_Point that will be checked against rect
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*
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* @return 1 if they intersect, 0 if they don't intersect
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*/
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int32_t ARC_Rect_IntersectsPoint(ARC_Rect *rect, ARC_Point *point);
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/**
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* @brief checks if ARC_FRect intersects with point
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*
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* @param rect ARC_FRect that will be checked against point
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* @param point ARC_Point that will be checked against rect
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*
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* @return 1 if they intersect, 0 if they don't intersect
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*/
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int32_t ARC_FRect_IntersectsPoint(ARC_FRect *rect, ARC_Point *point);
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/**
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* @brief checks if ARC_Rect intersects a line
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*
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* @note need to update this documenation to word it better
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*
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* @param rect ARC_Rect that will be checked against line
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* @param x1 first point's x value
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* @param y1 first point's y value
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* @param y2 second point's x value
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* @param y2 second point's y value
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*
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* @return 1 if they intersect, 0 if they don't intersect
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*/
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int32_t ARC_Rect_LineIntersects(ARC_Rect *rect, int32_t *x1, int32_t *y1, int32_t *x2, int32_t *y2);
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/**
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* @brief checks for a ARC_Rect on ARC_Rect collision and slides on collision
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*
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* @note need to update this documenation to word it better
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*
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* @param rect ARC_Rect that might collide with the wall
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* @param velocity the ammount ARC_Rect will move
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* @param wall ARC_Rect that might have collision with rect
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*
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* @note velocity is updated based on colliding,
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* rect's values are not changed,
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* velocity should be applied after
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*/
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void ARC_FRect_CollideAndSlide(ARC_FRect *rect, ARC_Vector2 *velocity, ARC_FRect *wall);
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#ifdef __cplusplus
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}
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#endif
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#endif // ARC_MATH_POINT_H_
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