Class GRegPoly

  • All Implemented Interfaces:
    java.lang.Cloneable, java.lang.Iterable<GPoint>

    public class GRegPoly
    extends GPoly
    • Constructor Detail

      • GRegPoly

        public GRegPoly​(GRegPoly e)
        Copy constructor
        Parameters:
        e - GRegPoly to copy
        Throws:
        java.lang.IllegalArgumentException - if e is null
      • GRegPoly

        public GRegPoly​(int x,
                        int y,
                        int r,
                        int n,
                        double a)
        Constructs a regular polygon contained in a circle
        Parameters:
        x - X coordinate of the center of the circle
        y - Y coordinate of the center of the circle
        r - radius of the circle
        n - number of sides
        a - angle of the first point
    • Method Detail

      • getX

        public int getX()
        Retrieves the X coordinate of the center of the polygon
        Returns:
        x coordinate of the center
      • getY

        public int getY()
        Retrieves the Y coordinate of the center of the polygon
        Returns:
        y coordinate of the center
      • getRadius

        public int getRadius()
        Returns the radius of the circle used to create
        Returns:
        radius
      • area

        public double area()
        Calculates the area of this polygon
        Returns:
        area of the polygon
      • perimeter

        public double perimeter()
        Calculated the perimeter of this polygon
        Returns:
        perimeter
      • contains

        public boolean contains​(GPoint p)
                         throws java.lang.IllegalArgumentException
        Tells if a GPoint is contained in the polygon
        Parameters:
        p - GPoint to evaluate
        Returns:
        true if the point is contained and false otherwise
        Throws:
        java.lang.IllegalArgumentException - if p is null
      • contains

        public boolean contains​(int xx,
                                int yy)
        Tells if a point is contained in the polygon
        Parameters:
        xx - X coordinate of the point
        yy - Y coordinate of the point
        Returns:
        true if the point is contained and false otherwise
      • rotate

        public void rotate​(double angle)
        Rotates the current GRegPoly a given angle
        Parameters:
        angle - angle in degrees
      • radRotate

        public void radRotate​(double angle)
        Rotates the current GRegPoly a given angle
        Parameters:
        angle - angle in radians
      • traslate

        public void traslate​(int x,
                             int y)
        Description copied from class: GraphicE
        Traslates this element on X and Y
        Overrides:
        traslate in class GMultiPoint
        Parameters:
        x - size in px of the horizontal translation
        y - size in px of the vertical translation
      • equals

        public boolean equals​(java.lang.Object obj)
        Overrides:
        equals in class GMultiPoint