temp[0] = vector1[0] - vector2[0]; temp[1] = vector1[1] - vector2[1]; temp[2] = vector1[2] - vector2[2]; distance = sqrt(temp[0]*temp[0] + temp[1]*temp[1] + temp[2]*temp[2]);
distance = vec_dist(my.x,your.x); // calculate distance of MY and YOU entities