Class FVector 

java.lang.Object
   |
   +----FVector
class FVector
extends Object
The FVector class provides a basic 2-dimensional vector type, along with some uselful methods.

Variable Index

o x
o y

Constructor Index

o FVector(double, double)
Initializes the vector with the x and y coordinates
o FVector(FPoint, FPoint)
Creates a vector that goes from a to b.

Method Index

o add(FVector)
Return the addition of the vector with v.
o dot(FVector)
Returns the dot product of the vector with v.
o isTrigo(FVector)
Return true if v makes an angle with the vector in the trigonometric direction (a left turn).
o length()
Returns the length of the vector.
o mult(double)
Return the multiplication of the vector by a.
o normal()
Returns the vector normal to this vector.

Variables

o x 
 double x
o y 
 double y

Constructors

o FVector 
 public FVector(double x,
                double y)
Initializes the vector with the x and y coordinates

o FVector 
 public FVector(FPoint a,
                FPoint b)
Creates a vector that goes from a to b.

Methods

o dot 
 public double dot(FVector v)
Returns the dot product of the vector with v.

o normal 
 public FVector normal()
Returns the vector normal to this vector.

o isTrigo 
 public boolean isTrigo(FVector v)
Return true if v makes an angle with the vector in the trigonometric direction (a left turn).

o length 
 public double length()
Returns the length of the vector.

o add 
 public FVector add(FVector v)
Return the addition of the vector with v.

o mult 
 public FVector mult(double a)
Return the multiplication of the vector by a.