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Vector2D - Class in math.geom2d

Define a vector in 2 Dimensions.

Vector2D() - Constructor for class math.geom2d.Vector2D

construct a new Vectors initialized with dx=1 and dy=0.

Vector2D(Point2D) - Constructor for class math.geom2d.Vector2D

construct a new vector between origin and the point.

Vector2D(Point2D, Point2D) - Constructor for class math.geom2d.Vector2D

construct a new vector between two points

Vector2D(double, double) - Constructor for class math.geom2d.Vector2D

constructor with given position.