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00015 #ifndef LINEARRANDOMFORCE_H
00016 #define LINEARRANDOMFORCE_H
00017
00018 #include <stdlib.h>
00019 #include "cmath.h"
00020 #include "mathNumbers.h"
00021 #include "linearForce.h"
00022
00023
00024
00025
00026
00027 class EXPCL_PANDAPHYSICS LinearRandomForce : public LinearForce {
00028 PUBLISHED:
00029 virtual ~LinearRandomForce();
00030
00031 virtual void output(ostream &out) const;
00032 virtual void write(ostream &out, unsigned int indent=0) const;
00033
00034 protected:
00035 static PN_stdfloat bounded_rand();
00036 static LVector3 random_unit_vector();
00037
00038 LinearRandomForce(PN_stdfloat a = 1.0f, bool m = false);
00039 LinearRandomForce(const LinearRandomForce ©);
00040
00041 virtual LVector3 get_child_vector(const PhysicsObject *po) = 0;
00042 virtual LinearForce *make_copy() = 0;
00043
00044 public:
00045 static TypeHandle get_class_type() {
00046 return _type_handle;
00047 }
00048 static void init_type() {
00049 LinearForce::init_type();
00050 register_type(_type_handle, "LinearRandomForce",
00051 LinearForce::get_class_type());
00052 }
00053 virtual TypeHandle get_type() const {
00054 return get_class_type();
00055 }
00056 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00057
00058 private:
00059 static TypeHandle _type_handle;
00060 };
00061
00062 #include "linearRandomForce.I"
00063
00064 #endif // LINEARRANDOMFORCE_H