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Work on new OpenGL example - Added FPS counter.

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This commit is contained in:
David Williams 2009-03-15 22:16:29 +00:00
parent 226d727b83
commit 8bbb32a31a
1 changed files with 11 additions and 13 deletions
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24
examples/OpenGL/main.cpp
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@ -39,6 +39,8 @@ int g_yRotation = 0.0f;
int g_xOld = 0; int g_xOld = 0;
int g_yOld = 0; int g_yOld = 0;
int g_frameCounter = 0;
//Creates a volume 128x128x128 //Creates a volume 128x128x128
BlockVolume<uint8> g_volData(logBase2(g_uVolumeSideLength)); BlockVolume<uint8> g_volData(logBase2(g_uVolumeSideLength));
@ -180,6 +182,13 @@ void createCube(Vector3DUint16 lowerCorner, Vector3DUint16 upperCorner, uint8 uV
} }
} }
void timerFunc(int value)
{
cout << "FPS = " << g_frameCounter << endl;
g_frameCounter = 0;
glutTimerFunc(1000, timerFunc, 0);
}
void init ( GLvoid ) // Create Some Everyday Functions void init ( GLvoid ) // Create Some Everyday Functions
{ {
glShadeModel(GL_SMOOTH); // Enable Smooth Shading glShadeModel(GL_SMOOTH); // Enable Smooth Shading
@ -195,19 +204,6 @@ void init ( GLvoid ) // Create Some Everyday Functions
glEnable(GL_LIGHT0); glEnable(GL_LIGHT0);
glShadeModel(GL_SMOOTH); glShadeModel(GL_SMOOTH);
// Create light components
/*GLfloat ambientLight[] = { 0.2f, 0.2f, 0.2f, 1.0f };
GLfloat diffuseLight[] = { 0.8f, 0.8f, 0.8, 1.0f };
GLfloat specularLight[] = { 0.5f, 0.5f, 0.5f, 1.0f };
GLfloat position[] = { -1.5f, 1.0f, -4.0f, 0.0f };
// Assign created components to GL_LIGHT0
glLightfv(GL_LIGHT0, GL_AMBIENT, ambientLight);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuseLight);
glLightfv(GL_LIGHT0, GL_SPECULAR, specularLight);
glLightfv(GL_LIGHT0, GL_POSITION, position);*/
} }
void display ( void ) // Create The Display Function void display ( void ) // Create The Display Function
@ -261,6 +257,7 @@ void display ( void ) // Create The Display Function
g_frameCounter++;
glutSwapBuffers ( ); glutSwapBuffers ( );
// Swap The Buffers To Not Be Left With A Clear Screen // Swap The Buffers To Not Be Left With A Clear Screen
} }
@ -332,6 +329,7 @@ void main ( int argc, char** argv ) // Create Main Function For Bringing It Al
glutReshapeFunc ( reshape ); glutReshapeFunc ( reshape );
glutKeyboardFunc ( keyboard ); glutKeyboardFunc ( keyboard );
glutSpecialFunc ( arrow_keys ); glutSpecialFunc ( arrow_keys );
glutTimerFunc(1000, timerFunc, 0);
glutIdleFunc(idle); glutIdleFunc(idle);
#ifdef WIN32 #ifdef WIN32