class
#include <bn_rect.h>
rect Defines a two-dimensional rectangle using integer precision and a center point as position.
Since it takes a center point as position instead of a top-left point, it has problems with odd dimensions.
If you need to handle odd dimensions, use bn::
Constructors, destructors, conversion operators
Public functions
- auto position() const -> const point& constexpr
- Returns the position of the center point of the rectangle.
- void set_position(const point& position) constexpr
- Sets the position of the center point of the rectangle.
- void set_position(int x, int y) constexpr
- Sets the position of the center point of the rectangle.
- auto dimensions() const -> const size& constexpr
- Returns the size of the rectangle.
- void set_dimensions(const size& dimensions) constexpr
- Sets the size of the rectangle.
- void set_dimensions(int width, int height) constexpr
- Sets the size of the rectangle.
- auto x() const -> int constexpr
- Returns the horizontal position of the center point of the rectangle.
- void set_x(int x) constexpr
- Sets the horizontal position of the center point of the rectangle.
- auto y() const -> int constexpr
- Returns the vertical position of the center point of the rectangle.
- void set_y(int y) constexpr
- Sets the vertical position of the center point of the rectangle.
- auto width() const -> int constexpr
- Returns the width of the rectangle.
- void set_width(int width) constexpr
- Sets the width of the rectangle.
- auto height() const -> int constexpr
- Returns the height of the rectangle.
- void set_height(int height) constexpr
- Sets the height of the rectangle.
- auto top() const -> int constexpr
- Returns the position of the top boundary of the rectangle.
- auto left() const -> int constexpr
- Returns the position of the left boundary of the rectangle.
- auto bottom() const -> int constexpr
- Returns the position of the bottom boundary of the rectangle.
- auto right() const -> int constexpr
- Returns the position of the right boundary of the rectangle.
- auto top_left() const -> point constexpr
- Returns the position of the top-left corner of the rectangle.
- auto top_right() const -> point constexpr
- Returns the position of the top-right corner of the rectangle.
- auto bottom_left() const -> point constexpr
- Returns the position of the bottom-left corner of the rectangle.
- auto bottom_right() const -> point constexpr
- Returns the position of the bottom-right corner of the rectangle.
- auto center_x() const -> int constexpr
- Returns the horizontal position of the center point of the rectangle.
- auto center_y() const -> int constexpr
- Returns the vertical position of the center point of the rectangle.
- auto center() const -> point constexpr
- Returns the position of the center point of the rectangle.
- auto contains(const point& point) const -> bool constexpr
- Indicates if the given point is inside the rectangle or not.
- auto intersects(const rect& other) const -> bool constexpr
- Indicates if this rectangle intersects with the given one or not.
- auto operator*=(int value) -> rect& constexpr
- Multiplies both width and height of the rectangle by the given factor.
- auto operator/=(int value) -> rect& constexpr
- Divides both width and height of the rectangle by the given divisor.
Friends
Function documentation
bn:: rect:: rect(int x,
int y,
int width,
int height) constexpr
Constructor.
Parameters | |
---|---|
x | Horizontal position of the center point of the rectangle. |
y | Vertical position of the center point of the rectangle. |
width | Valid width of the rectangle (>= 0). |
height | Valid height of the rectangle (>= 0). |
void bn:: rect:: set_position(int x,
int y) constexpr
Sets the position of the center point of the rectangle.
Parameters | |
---|---|
x | Horizontal position of the center point of the rectangle. |
y | Vertical position of the center point of the rectangle. |
void bn:: rect:: set_dimensions(int width,
int height) constexpr
Sets the size of the rectangle.
Parameters | |
---|---|
width | Valid width of the rectangle (>= 0). |
height | Valid height of the rectangle (>= 0). |
void bn:: rect:: set_width(int width) constexpr
Sets the width of the rectangle.
Parameters | |
---|---|
width | Valid width (>= 0). |
void bn:: rect:: set_height(int height) constexpr
Sets the height of the rectangle.
Parameters | |
---|---|
height | Valid height (>= 0). |
bool bn:: rect:: intersects(const rect& other) const constexpr
Indicates if this rectangle intersects with the given one or not.
Two rectangles intersect if there is at least one point that is within both rectangles.
rect& bn:: rect:: operator*=(int value) constexpr
Multiplies both width and height of the rectangle by the given factor.
Parameters | |
---|---|
value | Integer multiplication factor. |
Returns | Reference to this. |
rect& bn:: rect:: operator/=(int value) constexpr
Divides both width and height of the rectangle by the given divisor.
Parameters | |
---|---|
value | Valid integer divisor (> 0). |
Returns | Reference to this. |