Rect2 Class Reference

二维矩形, 单精度. More...

#include <Rect2.h>

Collaboration diagram for Rect2:

Public Member Functions
	Rect2 ()=default
	默认构造函数.
	Rect2 (const Point2 &origin, const Size2 &size)
	构造函数. More...
	Rect2 (float x, float y, float width, float height)
	构造函数. More...
float	top () const
	获取上边的 y 坐标.
float	bottom () const
	获取下底的 y 坐标.
float	left () const
	获取左边的 x 坐标.
float	right () const
	获取右边的 x 坐标.
Point2	tl () const
	获取左上角坐标.
Point2	tr () const
	获取右上角坐标.
Point2	bl () const
	获取左下角坐标.
Point2	br () const
	获取右下角坐标.
bool	intersectsPoint (const Point2 &point) const
	检测是否与二维点发生相交. More...
bool	intersectsRect (const Rect2 &rect) const
	检测是否与二维矩形发生相交. More...
bool	intersectsX (float x) const
bool	intersectsY (float y) const
bool	isValid () const

Public Attributes
Vector2	origin
Size2	size

Detailed Description

二维矩形, 单精度.

Constructor & Destructor Documentation

Rect2() [1/2]

Rect2::Rect2	(	const Point2 &	origin,
		const Size2 &	size
	)

构造函数.

Parameters

origin	矩形坐标, 左上角.
size	矩形大小.

Rect2() [2/2]

Rect2::Rect2	(	float	x,
		float	y,
		float	width,
		float	height
	)

构造函数.

Parameters

x	x坐标.
y	y坐标.
width	宽度.
height	高度.

Member Function Documentation

intersectsPoint()

bool Rect2::intersectsPoint

(

const Point2 &

point

)

const

检测是否与二维点发生相交.

Parameters

point

要检测的二维点的坐标.

Returns

相交则返回 true, 否则返回 false.

intersectsRect()

bool Rect2::intersectsRect

(

const Rect2 &

rect

)

const

检测是否与二维矩形发生相交.

Parameters

point

要检测的二维矩形的坐标.

Returns

相交则返回 true, 否则返回 false.

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The documentation for this class was generated from the following files:

• Source/Clem/Core/Math/Rect2.h
• Source/Clem/Core/Math/Rect2.cpp