File	Doc	Category	Size	Date	Package
HeightCoordinatesImpl.java	API Doc	Azureus 3.0.3.4	3391	Mon Apr 24 13:20:30 BST 2006	com.aelitis.azureus.core.dht.netcoords.vivaldi.ver1.impl

HeightCoordinatesImpl

• java.lang.Object

Fields Summary
protected float	x
protected float	y
protected float	h

Constructors Summary
public HeightCoordinatesImpl(float x, float y, float h) this.x = x; this.y = y; this.h = h;
public HeightCoordinatesImpl(HeightCoordinatesImpl copy) this.x = copy.x; this.y = copy.y; this.h = copy.h;

Methods Summary
public Coordinates	add(Coordinates other) HeightCoordinatesImpl o = (HeightCoordinatesImpl) other; return new HeightCoordinatesImpl(x+o.x,y+o.y,Math.abs(h+o.h));
public boolean	atOrigin() return( x==0&&y==0);
public float	distance(Coordinates other) return this.sub(other).measure();
public boolean	equals(java.lang.Object arg0) if(arg0 instanceof HeightCoordinatesImpl) { HeightCoordinatesImpl other = (HeightCoordinatesImpl) arg0; if(other.x != x || other.y != y || other.h != h) return false; return true; } return false;
public float	getH() return Returns the h. return h;
public float	getX() return Returns the x. return x;
public float	getY() return Returns the y. return y;
public boolean	isValid() return( valid(x) && valid(y) && valid(h) && Math.abs(x) <= MAX_X && Math.abs(y) <= MAX_Y && Math.abs(h) <= MAX_H);
public float	measure() return (float) (Math.sqrt(x * x + y * y) + h);
public Coordinates	scale(float scale) return new HeightCoordinatesImpl(scale * x,scale * y ,scale * h);
public Coordinates	sub(Coordinates other) HeightCoordinatesImpl o = (HeightCoordinatesImpl) other; return new HeightCoordinatesImpl(x-o.x,y-o.y,Math.abs(h+o.h));
public java.lang.String	toString() return (int)x + "," + (int)y + "," + (int)h;
public Coordinates	unity() float measure = this.measure(); if(measure == 0) { //Special Vivaldi Case, when u(0) = random unity vector float x = (float)Math.random(); float y = (float)Math.random(); float h = (float)Math.random(); return new HeightCoordinatesImpl(x,y,h).unity(); } return this.scale(1/measure);
private boolean	valid(float f) return( !(Float.isInfinite( f ) || Float.isNaN( f )));