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TeenProgramer

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Hi, I am using Dev C++ and i am trying to compile the simple triangle programm! but it gets errors! i am using the Dev C++ OpenGL Template. and when i try the nehe Triangle tutorial it gets errors. this is the nehe triangle tutorial. ***************************************************************** int DrawGLScene(GLvoid) { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glLoadIdentity(); glTranslatef(-1.5f,0.0f,-6.0f); glBegin(GL_TRIANGLES); glVertex3f( 0.0f, 1.0f, 0.0f); glVertex3f(-1.0f,-1.0f, 0.0f); glVertex3f( 1.0f,-1.0f, 0.0f); glEnd(); ***************************************************************** ***Thanks*** TeenProgramer

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"It gets errors" isn''t going to help us help you if you don''t tell us what those errors are.


"Sneftel is correct, if rather vulgar." --Flarelocke

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Sorry!
Ok, i only get errors when i make a function

such as " int DrawGLScene(GLvoid) { ....} "

It gets 13 Errors

My errors are somthin like hWnd undefined and Hdc and stuff like that, it also has a problem with the function
DrawGLScene(GLvoid)
and then it points to the stuff right below
the Triangle programm

here is a cut out of the Dev C++ Template

i will highlight the triangle programm

****************************************************************

// enable OpenGL for the window
EnableOpenGL( hWnd, &hDC, &hRC );

// program main loop
while ( !bQuit ) {

// check for messages
if ( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) ) {

// handle or dispatch messages
if ( msg.message == WM_QUIT ) {
bQuit = TRUE;
} else {
TranslateMessage( &msg );
DispatchMessage( &msg );
}

} else {

// OpenGL animation code goes here

****************************************************************TRIANGLE PROGRAMM!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
****************************************************************

int DrawGLScene(GLvoid) { // Here''s Where We Do All The Drawing
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear The Screen And The Depth Buffer
glLoadIdentity();
glTranslatef(-1.5f,0.0f,-6.0f);
glBegin(GL_TRIANGLES); // Drawing Using Triangles
glVertex3f( 0.0f, 1.0f, 0.0f); // Top
glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left
glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right
glEnd();

}

****************************************************************
}
}

// shutdown OpenGL
DisableOpenGL( hWnd, hDC, hRC );

// destroy the window explicitly
DestroyWindow( hWnd );

return msg.wParam;

}

TeenProgramer

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Here are all the Errors!

parse error before `{''
`hWnd'' was not declared in this scope
`hDC'' was not declared in this scope
`hRC'' was not declared in this scope
ANSI C++ forbids declaration `DisableOpenGL'' with no type
`int DisableOpenGL'' redeclared as different kind of symbol
previous declaration of `void DisableOpenGL(HWND__ *, HDC__ *, HGLRC__ *)''
initializer list being treated as compound expression
`hWnd'' was not declared in this scope
ANSI C++ forbids declaration `DestroyWindow'' with no type
`int DestroyWindow'' redeclared as different kind of symbol
previous declaration of `BOOL DestroyWindow(HWND__ *)''
parse error before `return''




TeenProgramer

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Alright. So what the compiler is telling you, is that you''re referring to variables, "hWnd", "hDC", and "hRC", that aren''t defined--or at least aren''t defined in a place where they''re visible to the function. Are you, perhaps, declaring those variables in a different function than the one you''re using them in?


"Sneftel is correct, if rather vulgar." --Flarelocke

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See, this whole thing (Except the triangle programm) is a template that came with my compiler!

so i dont know.
i dont think so.

oh and when i take away the function and just type whats inside
the function it Compiles without errors!

but it wont display a triangle!


TeenProgramer

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