Causes the camera to point at and follow a point fixed on a body (a station). More...

Inheritance diagram for SimTK::Visualizer::BodyFollower:

Public Member Functions
	BodyFollower (const MobilizedBody &mobodB, const Vec3 &stationPinB=Vec3(0, 0, 0), const Vec3 &offset=Vec3(NaN), const UnitVec3 &upDirection=UnitVec3())

void	generateControls (const Visualizer &viz, const State &state, Array_< DecorativeGeometry > &geometry) override
	The Visualizer is just about to generate and render a frame corresponding to the given State. More...

Public Member Functions inherited from SimTK::Visualizer::FrameController
virtual	~FrameController ()
	Destructor is virtual; be sure to override it if you have something to clean up at the end. More...

Detailed Description

Causes the camera to point at and follow a point fixed on a body (a station).

This might be useful if your system translates substantially and would thus leave the field of view of a stationary camera.

Constructor & Destructor Documentation

SimTK::Visualizer::BodyFollower::BodyFollower	(	const MobilizedBody &	mobodB,
		const Vec3 &	stationPinB = `Vec3(0, 0, 0)`,
		const Vec3 &	offset = `Vec3(NaN)`,
		const UnitVec3 &	upDirection = `UnitVec3()`
	)

Parameters

[in]	mobodB	The MobilizedBody to follow, designated as B.
[in]	stationPinB	The location of the station P on the body to follow, expressed in B. By default, P is the origin of the MobilizedBody.
[in]	offset	Position of the camera from P, expressed in ground. Cannot be the zero vector. By default, this is (1, 1, 1) + h * u, where h is Visualizer::getGroundHeight() and u is Visualizer::getSystemUpDirection().
[in]	upDirection	Controls the rotation of the camera about the offset vector. The camera's up (+y) direction will be aligned with this vector as best as is possible. Expressed in ground. By default, this is Visualizer::getSystemUpDirection(); it's unlikely that you want something other than the default.

void SimTK::Visualizer::BodyFollower::generateControls	(	const Visualizer &	viz,
		const State &	state,
		Array_< DecorativeGeometry > &	geometry
	)

overridevirtual

The Visualizer is just about to generate and render a frame corresponding to the given State.

Parameters

[in]	viz	The Visualizer that is doing the rendering.
[in]	state	The State that is being used to generate the frame about to be rendered by viz.
[in,out]	geometry	DecorativeGeometry being accumulated for rendering in this frame; be sure to append if you have anything to add.

The documentation for this class was generated from the following file: