Vector4i.distanceSquared

Return the squared distance between <code>(x1, y1, z1, w1)</code> and <code>(x2, y2, z2, w2)</code>.

@param x1 the x component of the first vector @param y1 the y component of the first vector @param z1 the z component of the first vector @param w1 the w component of the first vector @param x2 the x component of the second vector @param y2 the y component of the second vector @param z2 the z component of the second vector @param w2 the w component of the second vector @return the euclidean distance squared