add angle angle2 angledVector angleTo angleTo2 crossProduct distanceToVector dotProduct get isCodirectionalTo isCodirectionalTo isDegenerate isEqualTo isLeftOf isOppositeTo isOppositeTo isParallelTo isParallelTo isPerpendicularTo isPerpendicularTo isRightOf isUnitVector isZeroVector kIdentity kXAxis kYAxis length lengthSquare negate normalize operator!= operator* operator* operator* operator* operator* operator*= operator*= operator+ operator+= operator- operator- operator-= operator/ operator/ operator/= operator== perpVector projectResolveVector projectScaleToVector resolveVector resolveVector scaleBy scaleBy scaledVector set set setAngleLength setLength subtract transform unitVector Vector2d Vector2d Vector2d x y

resolveVector() [1/2] bool Vector2d::resolveVector ( const Vector2d &  uAxis, const Vector2d &  vAxis, Vector2d &  uv  ) const 矢量分解 将本矢量在两个不共线的非零矢量上进行矢量分解, 本矢量 = u*uAxis+v*vAxis 参数 [in] uAxis u轴矢量 [in] vAxis v轴矢量 [out] uv 在这两轴上的矢量分量系数，(uAxis * u, vAxis * v) 返回 是否求解成功，uAxis和vAxis共线时失败 函数调用图: 这是这个函数的调用关系图: