public static float dist(PVector v1, PVector v2)
{
return((v1 - v2).magnitude);
}
public static PVector sub(PVector v1, PVector v2)
{
return(new PVector(v1.x - v2.x, v1.y - v2.y));
}
public void set(PVector v)
{
x = v.x;
y = v.y;
}
public void sub(PVector v)
{
x -= v.x;
y -= v.y;
}
public void add(PVector v)
{
x += v.x;
y += v.y;
}
public static void popMatrix()
{
pt = vectors.Peek();
vectors.Pop();
}