1 files changed, 66 insertions, 0 deletions
diff --git a/Runtime/Dynamics/ConstantForce.cpp b/Runtime/Dynamics/ConstantForce.cpp
new file mode 100644
index 0000000..596b6b7
--- /dev/null
+++ b/Runtime/Dynamics/ConstantForce.cpp
@@ -0,0 +1,66 @@
+#include "UnityPrefix.h"
+#if ENABLE_PHYSICS
+#include "ConstantForce.h"
+#include "RigidBody.h"
+#include "Runtime/Serialize/TransferFunctions/SerializeTransfer.h"
+
+using namespace Unity;
+
+IMPLEMENT_OBJECT_SERIALIZE (ConstantForce)
+IMPLEMENT_CLASS (ConstantForce)
+
+ConstantForce::ConstantForce (MemLabelId label, ObjectCreationMode mode)
+:	Super(label, mode)
+,	m_FixedUpdateNode (this)
+{
+}
+
+ConstantForce::~ConstantForce ()
+{
+}
+
+template<class TransferFunction>
+void ConstantForce::Transfer (TransferFunction& transfer) 
+{
+	Super::Transfer (transfer);
+	TRANSFER (m_Force);
+	TRANSFER (m_RelativeForce);
+	TRANSFER (m_Torque);
+	TRANSFER (m_RelativeTorque);
+}
+
+void ConstantForce::Reset ()
+{
+	Super::Reset ();
+	m_Force = Vector3f::zero;
+	m_RelativeForce = Vector3f::zero;
+	m_Torque = Vector3f::zero;
+	m_RelativeTorque = Vector3f::zero;
+}
+
+void ConstantForce::FixedUpdate() {
+	Rigidbody* body = QueryComponent (Rigidbody);
+	if (!body)
+	{
+		// It should be impossible to reach this case, since Unity will not allow
+		// deleting components which are required by other components. But people
+		// have somehow managed (case 506613), so better check for it.
+		ErrorStringObject ("ConstantForce requires a Rigidbody component, but non is present.", this);
+		return;
+	}
+	body->AddForce (m_Force);
+	body->AddRelativeForce (m_RelativeForce);
+	body->AddTorque (m_Torque);
+	body->AddRelativeTorque (m_RelativeTorque);
+}
+
+void ConstantForce::AddToManager ()
+{
+	GetFixedBehaviourManager ().AddBehaviour (m_FixedUpdateNode, -1);
+}
+
+void ConstantForce::RemoveFromManager ()
+{
+	GetFixedBehaviourManager ().RemoveBehaviour (m_FixedUpdateNode);
+}
+#endif //ENABLE_PHSYICS
+\ No newline at end of file