'宣言 Public Shared Function ComputeVectorAngle( _ ByVal ux As Double, _ ByVal uy As Double, _ ByVal vx As Double, _ ByVal vy As Double _ ) As Double
public static double ComputeVectorAngle( double ux, double uy, double vx, double vy )
CoreGeometryUtil クラス CoreGeometryUtil メンバ