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added ShowAlphaBuffer feature - 'a' key

This commit is contained in:
Brian Paul 2001-04-25 15:51:32 +00:00
parent 3bfd0e6f9f
commit 73ccfa0e9a
1 changed files with 8 additions and 2 deletions
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10
progs/demos/reflect.c
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@ -1,4 +1,4 @@
/* $Id: reflect.c,v 1.6 2001/01/23 23:43:53 brianp Exp $ */
/* $Id: reflect.c,v 1.7 2001/04/25 15:51:32 brianp Exp $ */
/*
* Demo of a reflective, texture-mapped surface with OpenGL.
@ -148,7 +148,7 @@ static void init( void )
glEnable( GL_LIGHT0 );
glEnable( GL_LIGHTING );
glClearColor( 0.5, 0.5, 0.9, 1.0 );
glClearColor( 0.5, 0.5, 0.9, 0.0 );
glEnable( GL_NORMALIZE );
}
@ -297,6 +297,9 @@ static void draw_scene( void )
else if (ShowBuffer == GL_STENCIL) {
ShowStencilBuffer(Width, Height, 255.0, 0.0);
}
else if (ShowBuffer == GL_ALPHA) {
ShowAlphaBuffer(Width, Height);
}
glutSwapBuffers();
@ -332,6 +335,9 @@ static void Key( unsigned char key, int x, int y )
else if (key == 's') {
ShowBuffer = GL_STENCIL;
}
else if (key == 'a') {
ShowBuffer = GL_ALPHA;
}
else if (key == ' ') {
Anim = !Anim;
if (Anim)