Physics-Simulator  v1.4.0-beta.2
Variables
Defined Physics values

Physics values for how the program works. 

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Variables


const float global::physics::kMeterPixelRatio = 10


 


const float global::physics::kBallDensity = 7850


 


const float global::physics::kGravity = -9.81


 


const float global::physics::kDragCofficient = 0.47


 


const float global::physics::kKineticFriction = 0.36


 


const float global::physics::kDensityAir = 1.2041


 


const float global::physics::kMinVelocity = 0.0


 


const float global::physics::kCoefficientRestitution = 0.76


 


uchar global::physics::collisionmethod = CollideInelastic


 


const double global::physics::kAirDynViscosity = 2.22043 * pow(10,-5)


 




Detailed Description


Physics values for how the program works. 
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Variable Documentation



◆ collisionmethod






      

        

          uchar global::physics::collisionmethod = CollideInelastic
        

      




The collision method to use (see Collisions Enum) 








◆ kAirDynViscosity






      

        

          const double global::physics::kAirDynViscosity = 2.22043 * pow(10,-5)
        

      




dynamic viscosity of air at 20°C 








◆ kBallDensity






      

        

          const float global::physics::kBallDensity = 7850
        

      




Density of the ball in kg/m3 (7850 is steel) 








◆ kCoefficientRestitution






      

        

          const float global::physics::kCoefficientRestitution = 0.76
        

      




How much total energy remains after a collision, (see https://en.wikipedia.org/wiki/Coefficient_of_restitution for more info) 








◆ kDensityAir






      

        

          const float global::physics::kDensityAir = 1.2041
        

      




Density of air (in kg/m3) 

 This value is based on air at 20ºC and 101.325 kPa 

 See https://en.wikipedia.org/wiki/Density_of_air for more info 








◆ kDragCofficient






      

        

          const float global::physics::kDragCofficient = 0.47
        

      




Drag coefficient in the air. 

 Value is based on that of a sphere. 

 See https://en.wikipedia.org/wiki/Drag_coefficient for more info. 








◆ kGravity






      

        

          const float global::physics::kGravity = -9.81
        

      




Acceleration due to gravity in m/s2 








◆ kKineticFriction






      

        

          const float global::physics::kKineticFriction = 0.36
        

      




Kinetic Friction values based on Concrete and Steel 








◆ kMeterPixelRatio






      

        

          const float global::physics::kMeterPixelRatio = 10
        

      




1 meter = this many pixels. 








◆ kMinVelocity






      

        

          const float global::physics::kMinVelocity = 0.0
        

      




If a ball has less velocity than the it will "die"