public void substract(CVector2 v)
{
int n = _size;
while ((n--) != 0)
{
this[n].substract(v);
}
}
public void add(CVector2 v)
{
int n = _size;
while ((n--) != 0)
{
this[n].add(v);
}
}
public CXYVector(int numElem)
{
_size = numElem;
_v = new CVector2[numElem];
while ((numElem--) != 0)
{
_v[numElem] = new CVector2();
}
}
public CXYVector(CXYVector v)
{
int i;
_size = v.size;
_v = new CVector2[_size];
for (i = 0; i < _size; i++)
{
_v[i] = new CVector2(v[i]);
}
}
public CXYVector substractCopy(CVector2 v)
{
CXYVector ret = new CXYVector(this);
int n = _size;
while ((n--) != 0)
{
ret[n].substract(v);
}
return(ret);
}
public double distance(CXYVector target)
{
double res = 0f;
int size = _size;
while ((size--) != 0)
{
CVector2 temp = _v[size].substractCopy(target[size]);
res += temp.length2();
}
return(res);
}
public static CVector2 vNormal(CVector2 p0, CVector2 p1, CVector2 p2)
{
CVector2 p, q, d;
d = p1.substractCopy(p0);
p = new CVector2(d[1], -d[0]);
d = p2.substractCopy(p1);
q = new CVector2(d[1], -d[0]);
p.add(q);
p.divide(Math.Sqrt(p[0] * p[0] + p[1] * p[1]));
return(p);
}
public CVector2 substractCopy(CVector2 v)
{
return(new CVector2(_v[0] - v[0], _v[1] - v[1]));
}
public void substract(CVector2 v)
{
_v[0] -= v[0];
_v[1] -= v[1];
}
public CVector2 addCopy(CVector2 v)
{
return(new CVector2(_v[0] + v[0], _v[1] + v[1]));
}
public void add(CVector2 v)
{
_v[0] += v[0];
_v[1] += v[1];
}
public CVector2(CVector2 v)
{
_v[0] = v[0];
_v[1] = v[1];
}