[4555] | 1 | /*! |
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[4375] | 2 | \file physics_interface.h |
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[4121] | 3 | \brief a physics interface simulating a body with a mass |
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[3954] | 4 | */ |
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| 5 | |
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[4375] | 6 | #ifndef _PHYSICS_INTERFACE_H |
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| 7 | #define _PHYSICS_INTERFACE_H |
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[3954] | 8 | |
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[4376] | 9 | #include "vector.h" |
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[4377] | 10 | #include "base_object.h" |
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[3954] | 11 | |
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[4397] | 12 | #ifndef NULL |
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[4480] | 13 | #define NULL 0 //!< NULL |
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[4397] | 14 | #endif |
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| 15 | |
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[4377] | 16 | // Forward Declaration |
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| 17 | class Field; |
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| 18 | |
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[3961] | 19 | //! A Physics interface |
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[3954] | 20 | /** |
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[4395] | 21 | The PhysicsInterface is an extension to Any other object, |
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| 22 | that can be used to turn it to be Physcally animated. |
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| 23 | Still you have to connect fields. |
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| 24 | IMPORTANT is, that when using PNodes this baseclass is ok. |
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| 25 | BUT, when using any other class that does not by itself implement |
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| 26 | PNode you __MUST__ implement all the virtual functions by your own |
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[3954] | 27 | */ |
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[4382] | 28 | class PhysicsInterface : virtual public BaseObject |
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[4377] | 29 | { |
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[3954] | 30 | |
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| 31 | public: |
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[4397] | 32 | PhysicsInterface(void* objectPointer); |
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[4375] | 33 | virtual ~PhysicsInterface(); |
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[4376] | 34 | /** \param mass the mass to set for this node. */ |
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| 35 | inline void setMass( float mass ) { this->mass = mass; }; |
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| 36 | /** \returns the mass of the node. */ |
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| 37 | inline float getMass( void ) const { return mass; }; |
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| 38 | /** \returns the mass of this node plus all its children (only valid for PNodes). */ |
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| 39 | inline float getTotalMass( void ) const { return mass + massChildren; }; |
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[3954] | 40 | |
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[4395] | 41 | virtual void applyField(Field* field); |
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[4377] | 42 | virtual void tickPhys( float dt ); |
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[4376] | 43 | |
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[4121] | 44 | protected: |
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[4395] | 45 | virtual void recalcMass(); |
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[4376] | 46 | |
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[4555] | 47 | |
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[4376] | 48 | private: |
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[4480] | 49 | void* objectPointer; //!< A Pointer to the object we handel (actually should be this) |
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[4558] | 50 | |
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| 51 | |
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[4555] | 52 | float mass; //!< Mass of this object |
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| 53 | float massChildren; //!< Sum of the masses of the children nodes |
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[4558] | 54 | |
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[4555] | 55 | Vector forceSum; //!< Total central force for this tick |
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| 56 | Quaternion momentumSum; //!< Total momentum in this tick |
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[4558] | 57 | bool bForceApplied; //!< If a force was applied to this object. |
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[3954] | 58 | }; |
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| 59 | |
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[4375] | 60 | #endif /* _PHYSICS_INTERFACE_H */ |
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