91 lines
2.4 KiB
C++
91 lines
2.4 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file test_physics.cxx
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* @author charles
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* @date 2000-06-13
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*/
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#include <iostream>
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#include "physical.h"
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#include "physicsManager.h"
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#include "forces.h"
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using std::cout;
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using std::endl;
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class Baseball : public Physical {
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public:
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int ttl_balls;
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// int color;
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Baseball(int tb = 1) : ttl_balls(tb), Physical(tb, true) {}
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};
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int main(int argc, char **argv) {
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PhysicsManager physics_manager;
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Baseball b(8);
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// test the noise force
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Baseball nf_b;
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nf_b.get_phys_body()->set_position(0.0f, 0.0f, 0.0f);
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nf_b.get_phys_body()->set_velocity(1.0f / 16.0f, 0.0f, 0.0f);
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nf_b.get_phys_body()->set_active(true);
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nf_b.get_phys_body()->set_mass(1.0f);
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LinearNoiseForce nf(1.0, false);
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physics_manager.attach_physical(&nf_b);
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int steps=16;
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PN_stdfloat delta_time=1.0f/(PN_stdfloat)steps;
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while (steps--) {
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cout << "ball: " << nf_b.get_phys_body()->get_position() << endl;
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cout << "nf: " << nf.get_vector(nf_b.get_phys_body()) << endl;
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physics_manager.do_physics(delta_time);
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}
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physics_manager.remove_physical(&nf_b);
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// get on with life
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b.add_linear_force(new LinearJitterForce(0.1f));
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int i=0;
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for (PhysicsObject::Vector::const_iterator co=b.get_object_vector().begin();
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co != b.get_object_vector().end();
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++i, ++co) {
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(*co)->set_position(i * 2.0f, PN_stdfloat(i), 0.0f);
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(*co)->set_velocity(5.0f, 0.0f, 30.0f);
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(*co)->set_active(true);
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(*co)->set_mass(1.0f);
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}
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physics_manager.attach_physical(&b);
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physics_manager.add_linear_force(new LinearVectorForce(0.0f, 0.0f, -9.8f, 1.0f, false));
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cout << "Object vector:" << endl;
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for (PhysicsObject::Vector::const_iterator co=b.get_object_vector().begin();
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co != b.get_object_vector().end();
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++co) {
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cout << "vel: " << (*co)->get_velocity() << " ";
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cout << "pos: " << (*co)->get_position() << endl;
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}
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physics_manager.do_physics(1.0f);
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cout << "Physics have been applied." << endl;
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for (PhysicsObject::Vector::const_iterator co=b.get_object_vector().begin();
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co != b.get_object_vector().end();
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++co) {
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cout << "vel: " << (*co)->get_velocity() << " ";
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cout << "pos: " << (*co)->get_position() << endl;
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}
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return 0;
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}
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