/*
*
* Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*
*/
/*--------------------------------------------------------------
* This is an example from the Inventor Mentor
* chapter 13, example 3.
*
* Elapsed time engine.
* The output from an elapsed time engine is used to control
* the translation of the object. The resulting effect is
* that the figure slides across the scene.
*------------------------------------------------------------*/
#include <stdlib.h>
#include <Inventor/SoDB.h>
#include <Inventor/Xt/SoXt.h>
#include <Inventor/Xt/SoXtRenderArea.h>
#include <Inventor/engines/SoCompose.h>
#include <Inventor/engines/SoElapsedTime.h>
#include <Inventor/nodes/SoDirectionalLight.h>
#include <Inventor/nodes/SoMaterial.h>
#include <Inventor/nodes/SoPerspectiveCamera.h>
#include <Inventor/nodes/SoRotationXYZ.h>
#include <Inventor/nodes/SoSeparator.h>
#include <Inventor/nodes/SoTransform.h>
#include <Inventor/nodes/SoTranslation.h>
int
main(int , char **argv)
{
// Initialize Inventor and Xt
Widget myWindow = SoXt::init(argv[0]);
if (myWindow == NULL) exit(1);
SoSeparator *root = new SoSeparator;
root->ref();
// Add a camera and light
SoPerspectiveCamera *myCamera = new SoPerspectiveCamera;
myCamera->position.setValue(-2.0, -2.0, 5.0);
myCamera->heightAngle = M_PI/2.5;
myCamera->nearDistance = 2.0;
myCamera->farDistance = 7.0;
root->addChild(myCamera);
root->addChild(new SoDirectionalLight);
// Set up transformations
SoTranslation *slideTranslation = new SoTranslation;
root->addChild(slideTranslation);
SoTransform *initialTransform = new SoTransform;
initialTransform->translation.setValue(-5., 0., 0.);
initialTransform->scaleFactor.setValue(10., 10., 10.);
initialTransform->rotation.setValue(SbVec3f(1,0,0), M_PI/2.);
root->addChild(initialTransform);
// Read the figure object from a file and add to the scene
SoInput myInput;
if (!myInput.openFile("/usr/share/src/Inventor/examples/data/jumpyMan.iv"))
exit (1);
SoSeparator *figureObject = SoDB::readAll(&myInput);
if (figureObject == NULL)
exit (1);
root->addChild(figureObject);
// Make the X translation value change over time.
SoElapsedTime *myCounter = new SoElapsedTime;
SoComposeVec3f *slideDistance = new SoComposeVec3f;
slideDistance->x.connectFrom(&myCounter->timeOut);
slideTranslation->translation.connectFrom(
&slideDistance->vector);
SoXtRenderArea *myRenderArea = new SoXtRenderArea(myWindow);
SbViewportRegion myRegion(myRenderArea->getSize());
myRenderArea->setSceneGraph(root);
myRenderArea->setTitle("Sliding Man");
myRenderArea->show();
SoXt::show(myWindow);
SoXt::mainLoop();
}