Function bump_obj_against_fixed

physics/collide.cpp:1616–1706

}

void bump_obj_against_fixed(object *obj, vector *collision_point, vector *collision_normal) {
  ASSERT(std::isfinite(obj->mtype.phys_info.rotvel.x));
  ASSERT(std::isfinite(obj->mtype.phys_info.rotvel.y));
  ASSERT(std::isfinite(obj->mtype.phys_info.rotvel.z));
  ASSERT(std::isfinite(obj->mtype.phys_info.velocity.x));
  ASSERT(std::isfinite(obj->mtype.phys_info.velocity.y));
  ASSERT(std::isfinite(obj->mtype.phys_info.velocity.z));

  if (!IsOKToApplyForce(obj))
    return;

  vector r1 = *collision_point - obj->pos;
  vector w1;
  vector n1;
  float temp1;

  float j;

  matrix o_t1 = obj->orient;
  vm_TransposeMatrix(&o_t1);

  vector cmp1 = obj->mtype.phys_info.rotvel * o_t1;

  ConvertEulerToAxisAmount(&cmp1, &n1, &temp1);

  n1 *= temp1;

  if (temp1 != 0.0f) {
    vm_CrossProduct(&w1, &n1, &r1);
  } else {
    w1 = Zero_vector;
  }

  vector p1 = obj->mtype.phys_info.velocity + w1;
  float v_rel;

  float m1 = obj->mtype.phys_info.mass;

  ASSERT(m1 != 0.0f);
  if (m1 <= 0.0f)
    m1 = 0.00000001f;

  v_rel = *collision_normal * (p1);

  float e = obj->mtype.phys_info.coeff_restitution;

  vector c1;
  vector cc1;
  float cv1;

  //	matrix i1;
  //	matrix i2;
  float i1 = (2.0f / 5.0f) * m1 * obj->size * obj->size;

  if (i1 < .0000001)
    i1 = .0000001f;

  vm_CrossProduct(&c1, &r1, collision_normal);