Integrator Class Reference

This class is used by a cloth class to update its behaviour. There are three integration methods implemented at the moment Forward Euler, Verlet and Runge-Kutta of 4th order. More...

#include <Integrator.h>

List of all members.

Public Member Functions
Mass	evaluate (Mass *_initial)
	method to evaluate the state given initial value and time step
Mass	evaluate (Mass *_initial, float _dt, Mass &_d)
	method to evaluate the state given initial value and time step
void	eulerForwardIntegration (float _dt, std::vector< Mass * > _originalMasses, std::vector< Spring * > _springs)
	Euler Forward method to evaluate the state given initial value and time step.
void	RK_4Integration (float _dt, std::vector< Mass * > _masses, std::vector< Spring * > _springs)
	4th order Runge_Kutta method to evaluate the state given initial value and time step
void	verletIntegration (float _dt, std::vector< Mass * > _originalMasses, std::vector< Spring * > _springs)
	Verlet Itegration method to evaluate the state given initial value and time step.
ngl::Vector	motionFunction (Mass *_state)
	this is going to calculate the spring function
void	calculateForces (std::vector< Mass * > _masses, std::vector< Spring * > _springs)

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Detailed Description

This class is used by a cloth class to update its behaviour. There are three integration methods implemented at the moment Forward Euler, Verlet and Runge-Kutta of 4th order.

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Member Function Documentation

void Integrator::eulerForwardIntegration	(	float	_dt,
		std::vector< Mass * >	_originalMasses,
		std::vector< Spring * >	_springs
	)

Euler Forward method to evaluate the state given initial value and time step.

Parameters:

[in]

_dt

the delta time step for integration

Mass Integrator::evaluate	(	Mass *	_initial,
		float	_dt,
		Mass &	_d
	)

method to evaluate the state given initial value and time step

Parameters:

[in]	_initial	the initial state
[in]	_t	the current time step value
[in]	_dt	the delta time step for integration
[in]	_d	the derivative for the integration step

Mass Integrator::evaluate

(

Mass *

_initial

)

method to evaluate the state given initial value and time step

Parameters:

[in]	_initial	the initial state
[in]	_t	the current time step value

ngl::Vector Integrator::motionFunction

(

Mass *

_state

)

this is going to calculate the spring function

Parameters:

[in]

_state

the state of the spring values to calculate

Returns:

a vector of the force calculated via the integrator

void Integrator::RK_4Integration	(	float	_dt,
		std::vector< Mass * >	_masses,
		std::vector< Spring * >	_springs
	)

4th order Runge_Kutta method to evaluate the state given initial value and time step

Parameters:

[in]

_dt

the delta time step for integration

void Integrator::verletIntegration	(	float	_dt,
		std::vector< Mass * >	_originalMasses,
		std::vector< Spring * >	_springs
	)

Verlet Itegration method to evaluate the state given initial value and time step.

Parameters:

[in]

_dt

the delta time step for integration

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

• include/Integrator.h
• src/Integrator.cpp