Rectangle area. More...
Public Member Functions | |
Rect () | |
Constructor an empty Rect. More... | |
Rect (float x, float y, float width, float height) | |
Constructor a rect. More... | |
Rect (const Vec2 &pos, const Size &dimension) | |
Constructor a rect. More... | |
Rect (const Rect &other) | |
Copy constructor. More... | |
Rect & | operator= (const Rect &other) |
@js NA @lua NA | |
void | setRect (float x, float y, float width, float height) |
Set the x, y, width and height of Rect. More... | |
float | getMinX () const |
Get the left of the rect. More... | |
float | getMidX () const |
return the leftmost x-value of current rect More... | |
float | getMaxX () const |
return the midpoint x-value of current rect More... | |
float | getMinY () const |
return the rightmost x-value of current rect More... | |
float | getMidY () const |
return the bottommost y-value of current rect More... | |
float | getMaxY () const |
return the midpoint y-value of current rect More... | |
bool | equals (const Rect &rect) const |
return the topmost y-value of current rect More... | |
bool | containsPoint (const Vec2 &point) const |
Check if the points is contained in the rect. More... | |
bool | intersectsRect (const Rect &rect) const |
Check the intersect status of two rects. More... | |
bool | intersectsCircle (const Vec2 ¢er, float radius) const |
Check the intersect status of the rect and a circle. More... | |
Rect | unionWithRect (const Rect &rect) const |
Get the min rect which can contain this and rect. More... | |
void | merge (const Rect &rect) |
Compute the min rect which can contain this and rect, assign it to this. | |
Public Attributes | |
Vec2 | origin |
Low left point of rect. | |
Size | size |
Width and height of the rect. | |
Static Public Attributes | |
static const Rect | ZERO |
An empty Rect. | |
Rectangle area.
Rect | ( | float | x, |
float | y, | ||
float | width, | ||
float | height | ||
) |
Constructor a rect.
@js NA
void setRect | ( | float | x, |
float | y, | ||
float | width, | ||
float | height | ||
) |
Set the x, y, width and height of Rect.
@js NA @lua NA
float getMinX | ( | ) | const |
Get the left of the rect.
@js NA
float getMidX | ( | ) | const |
return the leftmost x-value of current rect
Get the X coordinate of center point. @js NA
float getMaxX | ( | ) | const |
return the midpoint x-value of current rect
Get the right of rect. @js NA
float getMinY | ( | ) | const |
return the rightmost x-value of current rect
Get the bottom of rect. @js NA
float getMidY | ( | ) | const |
return the bottommost y-value of current rect
Get the Y coordinate of center point. @js NA
float getMaxY | ( | ) | const |
return the midpoint y-value of current rect
Get top of rect. @js NA
bool equals | ( | const Rect & | rect | ) | const |
return the topmost y-value of current rect
Compare two rects. @js NA
bool containsPoint | ( | const Vec2 & | point | ) | const |
Check if the points is contained in the rect.
@js NA
bool intersectsRect | ( | const Rect & | rect | ) | const |
Check the intersect status of two rects.
@js NA
bool intersectsCircle | ( | const Vec2 & | center, |
float | radius | ||
) | const |
Check the intersect status of the rect and a circle.
@js NA
Get the min rect which can contain this and rect.
@js NA @lua NA