add some documentation

2019-09-17 15:55:15 -07:00
parent ae42cc561e
commit d761b2cd68
14 changed files with 95 additions and 78 deletions
--- a/src/BulletSoftBody/btDeformableGravityForce.h
+++ b/src/BulletSoftBody/btDeformableGravityForce.h
@@ -73,6 +73,7 @@ public:
        return BT_GRAVITY_FORCE;
    }

+    // the gravitational potential energy
    virtual double totalEnergy(btScalar dt)
    {
        double e = 0;