HawkVector2D HawkRect2D::operator [](Int32 iIdx) const
{
A_Exception(iIdx>= 0 && iIdx<=3);
if (iIdx == 0)
{
return Point;
}
else if (iIdx == 1)
{
return Point + Edge[0];
}
else if (iIdx == 2)
{
return Point + Edge[0] + Edge[1];
}
else if (iIdx == 3)
{
return Point + Edge[1];
}
return HawkVector2D();
}
//默认构造函数
HawkRect2D::HawkRect2D()
{
Point = HawkVector2D(0,0);
Edge[0] = HawkVector2D(1,0);
Edge[1] = HawkVector2D(0,1);
};
void HawkRect2D::Clear()
{
Point = HawkVector2D(0,0);
Edge[0] = HawkVector2D(1,0);
Edge[1] = HawkVector2D(0,1);
}
//默认构造
HawkRay2D::HawkRay2D() : Point(HawkVector2D()),Direction(HawkVector2D())
{
}
void HawkTransform::Rotate(HawkRect2D& oRect,const HawkVector2D& oRefPt,const HawkRadian& oRad)
{
Rotate(oRect.Point,oRefPt,oRad);
Rotate(oRect.Edge[0],HawkVector2D(0,0),oRad);
Rotate(oRect.Edge[1],HawkVector2D(0,0),oRad);
}
void HawkTransform::Rotate(HawkTriangle2D& oTrig,const HawkVector2D& oRefPt,const HawkRadian& oRad)
{
Rotate(oTrig.Point,oRefPt,oRad);
Rotate(oTrig.Edge[0],HawkVector2D(0,0),oRad);
Rotate(oTrig.Edge[1],HawkVector2D(0,0),oRad);
}
void HawkTransform::Rotate(HawkRay2D& oRay,const HawkVector2D& oRefPt,const HawkRadian& oRad)
{
Rotate(oRay.Point,oRefPt,oRad);
Rotate(oRay.Direction,HawkVector2D(0,0),oRad);
}
void HawkTransform::Rotate(HawkLine2D& oLine,const HawkVector2D& oRefPt,const HawkRadian& oRad)
{
Rotate(oLine.Point,oRefPt,oRad);
Rotate(oLine.Direction,HawkVector2D(0,0),oRad);
}