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Physics2D/RigidBody2D: Add possibility to setup a custom velocity function

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This commit is contained in:
Lynix
2019-01-19 02:31:29 +01:00
parent 40cd8a7987
commit 662ccbd5d0
5 changed files with 113 additions and 1 deletions
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59
SDK/include/NDK/Components/PhysicsComponent2D.inl
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@@ -338,7 +338,6 @@ namespace Ndk
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline Nz::Vector2f PhysicsComponent2D::GetVelocity() const
{
NazaraAssert(m_object, "Invalid physics object");
@@ -346,6 +345,19 @@ namespace Ndk
return m_object->GetVelocity();
}
/*!
* \brief Gets the custom velocity function of the physics object
* \return Velocity function of the object (may be empty if default function is used)
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline auto PhysicsComponent2D::GetVelocityFunction() const -> const VelocityFunc&
{
NazaraAssert(m_object, "Invalid physics object");
return m_object->GetVelocityFunction();
}
/*!
* \brief Checks if position & rotation are synchronized with NodeComponent
* \return true If synchronization is enabled
@@ -370,6 +382,18 @@ namespace Ndk
return m_object->IsSleeping();
}
/*!
* \brief Reset velocity function to default one
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline void PhysicsComponent2D::ResetVelocityFunction()
{
NazaraAssert(m_object, "Invalid physics object");
return m_object->ResetVelocityFunction();
}
/*!
* \brief Sets the angular damping or moment of inertia of the physics object
*
@@ -580,6 +604,39 @@ namespace Ndk
m_object->SetVelocity(velocity);
}
/*!
* \brief Sets a custom velocity function for the physics object
*
* A velocity function is called (for non-kinematic and non-static objects) at every physics update to compute the new velocity of the object.
* You may call UpdateVelocity (the default velocity function) to let the physics engine compute that itself and then adjust it using GetVelocity/SetVelocity as you need.
*
* \param velocityFunc New custom velocity function
*
* \remark Passing an empty VelocityFunc has the same effect as calling ResetVelocityFunction
* \see ResetVelocityFunction
* \see UpdateVelocity
*/
inline void PhysicsComponent2D::SetVelocityFunction(VelocityFunc velocityFunc)
{
NazaraAssert(m_object, "Invalid physics object");
m_object->SetVelocityFunction(std::move(velocityFunc));
}
/*!
* \brief Calls the physics engine default velocity function
*
* \param gravity Physics system gravity
* \param damping Physics system damping (adjusted to deltaTime)
* \param deltaTime Elapsed time since last physics update
*/
inline void PhysicsComponent2D::UpdateVelocity(const Nz::Vector2f& gravity, float damping, float deltaTime)
{
NazaraAssert(m_object, "Invalid physics object");
m_object->UpdateVelocity(gravity, damping, deltaTime);
}
/*!
* \brief Gets the underlying physics object
* \return A reference to the physics object