24 Sphere( StkFloat radius = 1.0 ) { radius_ = radius; mass_ = 1.0; };
33 void setRadius( StkFloat radius ) { radius_ = radius; };
36 void setMass( StkFloat mass ) { mass_ = mass; };
54 StkFloat
getMass(
void ) {
return mass_; };
57 void addVelocity( StkFloat x, StkFloat y, StkFloat z );
60 void tick( StkFloat timeIncrement );
72 position_.
setX(position_.
getX() + (timeIncrement * velocity_.
getX()));
73 position_.
setY(position_.
getY() + (timeIncrement * velocity_.
getY()));
74 position_.
setZ(position_.
getZ() + (timeIncrement * velocity_.
getZ()));