WoRB::GLTransform Class Reference

Establishes temporarily a GL transform from body-fixed into world frame. More...

#include <Utilities.h>

Public Member Functions
	GLTransform (const RigidBody &body, bool flattenHeight=false)
	Constructor; saves the current and establishes a new transformation.
	GLTransform (const double *matrix)
	Constructor; saves the current and establishes a new transformation.
	~GLTransform ()
	Destructor; restores the earlier transformation.

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Detailed Description

Establishes temporarily a GL transform from body-fixed into world frame.

Usage: usually in a statement-block, like:

  { 
     GLTransform _( body );  

...code-here... }

Definition at line 210 of file Utilities.h.

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Constructor & Destructor Documentation

WoRB::GLTransform::GLTransform	(	const RigidBody &	body,
		bool	flattenHeight = false
	)		[inline]

Constructor; saves the current and establishes a new transformation.

Definition at line 215 of file Utilities.h.

References WoRB::QTensor::GetGLTransform(), and WoRB::RigidBody::ToWorld.

        {
            // Get the OpenGL transformation for the rigid body
            //
            GLdouble mat[ 16 ];
            body.ToWorld.GetGLTransform( mat );

            glPushMatrix (); // Save the current transformation

            if ( flattenHeight ) {
                glScaled( 1.0, 0, 1.0 );
            }

            glMultMatrixd( mat ); // Transform from body-fixed into world frame
        }

WoRB::GLTransform::GLTransform

(

const double *

matrix

)

[inline]

Constructor; saves the current and establishes a new transformation.

Definition at line 233 of file Utilities.h.

        {
            glPushMatrix (); // Save the current transformation
            glMultMatrixd( matrix ); // Transform from body-fixed into world frame
        }

WoRB::GLTransform::~GLTransform

(

)

[inline]

Destructor; restores the earlier transformation.

Definition at line 241 of file Utilities.h.

        {
            glPopMatrix ();
        }

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

• Utilities.h