Class Crosshair

All Implemented Interfaces:
Computable, Serializable

public class Crosshair extends DrawGeometric
A Crosshair is a small cross, 15 pixels wide and high, that is drawn in a CoordinateRect at a specified point. A Crosshair is a Computable object, so should be added to a Controller to be recomputed when the coordinates of the point change.
See Also:
  • Constructor Details

    • Crosshair

      public Crosshair(Value x, Value y)
      Create a cross that appears at the point with coordinates (x,y).
    • Crosshair

      public Crosshair(Value x, Function f)
      Create a cross that appears on the graph of the function y=f(x) at the point with coordinates (x,f(x)). f should be a function of one variable.