physics_scene.h

#pragma once
 
#include "scene.h"
#include "../application.h"
#include "../behaviours/physics/simulation.h"
 
namespace smlt {
 
template<typename T>
class PhysicsScene:
    public Scene<T> {
 
protected:
    PhysicsScene(Window* window):
        Scene<T>(window) {}
 
    virtual void _fixed_update_thunk(float step) {
        if(physics_) {
            physics_->fixed_update(step);
        }
 
        Scene<T>::_fixed_update_thunk(step);
    }
 
private:
    void pre_load() override {
        physics_ = smlt::behaviours::RigidBodySimulation::create(get_app()->time_keeper);
    }
 
    void post_unload() override {
        physics_.reset();
    }
 
    std::shared_ptr<smlt::behaviours::RigidBodySimulation> physics_;
 
protected:
    S_DEFINE_PROPERTY(physics, &PhysicsScene::physics_);
};
 
}