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changing force coordinate system

This commit is contained in:
Dave Schuyler 2003-07-25 23:26:59 +00:00
parent 5b69c12a88
commit 7517ec753c
1 changed files with 8 additions and 1 deletions
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9
panda/src/physics/physicsCollisionHandler.cxx
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@ -64,9 +64,16 @@ apply_linear_force(ColliderDef &def, const LVector3f &force) {
physics_debug(" vel "<<vel<<" len "<<vel.length());
physics_debug(" force "<<force<<" len "<<force.length());
LVector3f old_vel=vel;
NodePath np(def._node);
CPT(TransformState) trans = np.get_net_transform();
if (force!=force*trans->get_mat()) {
cerr<<"\nforce!=force*trans->get_mat()"<<force<<(force*trans->get_mat())<<endl;
}
// Copy the force vector while translating it
// into the physics object coordinate system:
LVector3f adjustment=force*actor->get_physics_object()->get_lcs();
LVector3f adjustment=(force * trans->get_mat())*actor->get_physics_object()->get_lcs();
physics_debug(" adjustment set "<<adjustment<<" len "<<adjustment.length());
adjustment.normalize();
physics_debug(" adjustment nrm "<<adjustment<<" len "<<adjustment.length());