## siRBDEngine

### Introduced

v5.0

### Description

Specifies the rigid body dynamics engine used for simulation. There can be only one rigid body dynamics engine per SimulationEnvironment.

### C# Syntax

    siRBDEngine.siPhysXEngine                                                   // 0

    siRBDEngine.siOpenDynamicsEngine                                            // 1

Constant | Value | Description
--- | --- | ---
siPhysXEngine | 0 | PhyX by NVIDIA engine
siOpenDynamicsEngine | 1 | ODE engine

### Applies To

ChangeEnvironmentDynamicsOperator