public void ApplyImpulse(Impulse impulse, Vector3 rpos)
		{
			btSoftBody_Body_applyImpulse(_native, impulse._native, ref rpos);
		}
		public static void ClusterImpulse(Cluster cluster, Vector3 rpos, Impulse impulse)
		{
			btSoftBody_clusterImpulse(cluster._native, ref rpos, impulse._native);
		}
		public void ApplyAImpulse(Impulse impulse)
		{
			btSoftBody_Body_applyAImpulse(_native, impulse._native);
		}
		public static void ClusterAImpulse(Cluster cluster, Impulse impulse)
		{
			btSoftBody_clusterAImpulse(cluster._native, impulse._native);
		}