viktorljung
60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
#ifndef DAYDREAM_PHYSICSSYSTEM_H
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#define DAYDREAM_PHYSICSSYSTEM_H
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#include <unordered_map>
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#include "Core/System.h"
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#include "Core/World.h"
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#include "Core/CBoxShape.h"
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#include "Core/Physics/CPhysics.h"
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#include <Box2D/Box2D.h>
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#include <Core/CTransform.h>
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namespace dd
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{
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namespace Systems
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{
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//KOLLA http://box2d.org/manual.pdf p52 Pre-Solve Event
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class PhysicsSystem : public System
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{
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public:
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PhysicsSystem(World* world, std::shared_ptr<dd::EventBroker> eventBroker)
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: System(world, eventBroker) {}
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void RegisterComponents(ComponentFactory* cf) override;
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void Initialize() override;
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// Called once per system every tick
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void Update(double dt) override;
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// Called once for every entity in the world every tick
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void UpdateEntity(double dt, EntityID entity, EntityID parent) override;
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// Called when components are committed to an entity
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void OnEntityCommit(EntityID entity) override;
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// Called when an entity is removed
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void OnEntityRemoved(EntityID entity) override;
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private:
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b2Vec2 m_Gravity;
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b2World* m_PhysicsWorld;
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float m_TimeStep;
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int m_VelocityIterations, m_PositionIterations;
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std::unordered_map<EntityID, b2Body*> m_Bodies;
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void CreateBody(EntityID entity);
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};
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}
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}
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#endif //DAYDREAM_PHYSICSSYSTEM_H
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