Bullet Softbody Config¶

Bullet uses abbreviated properties which describe a soft bodies behaviour. Here are explanations for the most important settings, and their mapping to Bullet properties:

btSoftBody::Material vs. BulletSoftBodyMaterial:¶

btSoftBody::Material	BulletSoftBodyMaterial	Description
`m_kLST`	`get/setLinearStiffness`	Linear stiffness Range [0,1]
`m_kAST`	`get/setAngularStiffness`	Angular stiffness Range [0,1]
`m_kVST`	`get/setVolumePreservation`	Volume preservation Range [0,1]

btSoftBody::Config vs. BulletSoftBodyConfig¶

btSoftBody::Config	BulletSoftBodyConfig	Description
`kSRHR_CL`	`get/setSoftVsRigidHardness`	Soft vs rigid hardness (cluster only) Range [0,1]
`kSKHR_CL`	`get/setSoftVsKineticHardness`	Soft vs kinetic hardness (cluster only) Range [0,1]
`kSSHR_CL`	`get/setSoftVsSoftHardness`	Soft vs soft hardness (cluster only) Range [0,1]
`kSR_SPLT_CL`	`get/setSoftVsRigidImpulseSplit`	Soft vs rigid impulse split (cluster only) Range [0,1]
`kSK_SPLT_CL`	`get/setSoftVsKineticImpulseSplit`	Soft vs kinetic impulse split (cluster only) Range [0,1]
`kSS_SPLT_CL`	`get/setSoftVsSoftImpulseSplit`	Soft vs soft impulse split (cluster only) Range [0,1]
`kVCF`	`get/setVelocitiesCorrectionFactor`	Velocities correction factor (Baumgarte)
`kDP`	`get/setDampingCoefficient`	Damping coefficient Range [0,1]
`kDG`	`get/setDragCoefficient`	Drag coefficient Range [0,+inf]
`kLF`	`get/setLiftCoefficient`	Lift coefficient Range [0,+inf]
`kPR`	`get/setPressureCoefficient`	Pressure coefficient Range [-inf,+inf]
`kVC`	`get/setVolumeConversationCoefficient`	Volume conversation coefficient Range [0,+inf]
`kDF`	`get/setDynamicFrictionCoefficient`	Dynamic friction coefficient Range [0,1]
`kMT`	`get/setPoseMatchingCoefficient`	Pose matching coefficient Range [0,1]
`kCHR`	`get/setRigidContactsHardness`	Rigid contacts hardness Range [0,1]
`kKHR`	`get/setKineticContactsHardness`	Kinetic contacts hardness Range [0,1]
`kSHR`	`get/setSoftContactsHardness`	Soft contacts hardness Range [0,1]
`kAHR`	`get/setAnchorsHardness`	Anchors hardness Range [0,1]
`piterations`	`get/setPositionsSolverIterations`	Positions solver iterations Positive integer
`viterations`	`get/setVelocitiesSolverIterations`	Velocities solver iterations Positive integer
`diterations`	`get/setDriftSolverIterations`	Drift solver iterations Positive integer
`citerations`	`get/setClusterSolverIterations`	Cluster solver iterations Positive integer