/**
* Generate the middle Point between two poits A and B
*
* @param A the first Point
* @param B the second Point
* @return the middle Point
* @throws ArrayIndexOutOfBoundsException
*/
public static SFVertex4f middle(SFVertex4f A, SFVertex4f B) {
return new SFVertex4f(
(A.getV()[0] + B.getV()[0]) * 0.5f,
(A.getV()[1] + B.getV()[1]) * 0.5f,
(A.getV()[2] + B.getV()[2]) * 0.5f,
(A.getV()[3] + B.getV()[3]) * 0.5f);
}
/**
* Specific 4f version of the dot method.
*
* @param vx
* @return
*/
public double dot4f(SFVertex4f vx) {
return vx.getV()[0] * getV()[0]
+ vx.getV()[1] * getV()[1]
+ vx.getV()[2] * getV()[2]
+ vx.getV()[3] * getV()[3];
}
/**
* Specific 4f version of the addMult method.
*
* @param a
* @param vx
*/
public void addMult4f(float a, SFVertex4f vx) {
getV()[0] += vx.getV()[0] * a;
getV()[1] += vx.getV()[1] * a;
getV()[2] += vx.getV()[2] * a;
getV()[3] += vx.getV()[3] * a;
}
/**
* Specific 4f version of the add method.
*
* @param vx the constant to be added
*/
public void add4f(SFVertex4f q) {
getV()[0] += q.getV()[0];
getV()[1] += q.getV()[1];
getV()[2] += q.getV()[2];
getV()[3] += q.getV()[3];
}
/**
* Specific 4f version of the subtract method.
*
* @param vx
*/
public void subtract4f(SFVertex4f q) {
getV()[0] -= q.getV()[0];
getV()[1] -= q.getV()[1];
getV()[2] -= q.getV()[2];
getV()[3] -= q.getV()[3];
}