1 files changed, 149 insertions, 0 deletions
diff --git a/PerlQt/examples/opengl/box/GLBox.pm b/PerlQt/examples/opengl/box/GLBox.pm
new file mode 100644
index 0000000..dd6ceb9
--- /dev/null
+++ b/PerlQt/examples/opengl/box/GLBox.pm
@@ -0,0 +1,149 @@
+package GLBox;
+
+use OpenGL qw(:all);
+
+use strict;
+
+use Qt;
+use Qt::isa qw(Qt::GLWidget);
+use Qt::slots 
+    setXRotation => ['int'],
+    setYRotation => ['int'],
+    setZRotation => ['int'];
+use Qt::attributes qw(
+    xRot
+    yRot
+    zRot
+    scale
+    object
+    list
+);
+
+sub NEW {
+    shift->SUPER::NEW(@_);
+    xRot = yRot = zRot = 0.0;
+    scale = 1.25;
+    object = undef;
+}
+
+sub paintGL
+{
+    glClear( GL_COLOR_BUFFER_BIT );
+    glClear( GL_DEPTH_BUFFER_BIT );
+
+    glLoadIdentity();
+    glTranslatef( 0.0, 0.0, -10.0 );
+    glScalef( scale, scale, scale );
+
+    glRotatef( xRot, 1.0, 0.0, 0.0 );
+    glRotatef( yRot, 0.0, 1.0, 0.0 );
+    glRotatef( zRot, 0.0, 0.0, 1.0 );
+
+    glCallList( object );
+}
+
+sub initializeGL
+{
+    qglClearColor( &black );             # Let OpenGL clear to black
+    object = makeObject();              # Generate an OpenGL display list
+    glShadeModel( GL_FLAT );
+    glEnable( GL_DEPTH_TEST );
+}
+
+#  Set up the OpenGL view port, matrix mode, etc.
+
+sub resizeGL
+{
+    my $w = shift;
+    my $h = shift;
+    glViewport( 0, 0, $w, $h );
+    glMatrixMode( GL_PROJECTION );
+    glLoadIdentity();
+    glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 15.0 );
+    glMatrixMode( GL_MODELVIEW );
+}
+
+#  Generate an OpenGL display list for the object to be shown, i.e. the box
+
+sub makeObject
+{
+    my $list = glGenLists( 1 );
+
+    glNewList( $list, GL_COMPILE );
+
+    qglColor( &darkGreen );                # Shorthand for glColor3f or glIndex
+
+    glLineWidth( 2.0 );
+
+    glBegin( GL_QUADS );
+    glVertex3f(  1.0,  0.5, -0.4 );
+    glVertex3f(  1.0, -0.5, -0.4 );
+    glVertex3f( -1.0, -0.5, -0.4 );
+    glVertex3f( -1.0,  0.5, -0.4 );
+    glEnd();
+
+    qglColor( &blue );
+
+    glBegin( GL_QUADS );
+    glVertex3f(  1.0,  0.5, 0.4 );
+    glVertex3f(  1.0, -0.5, 0.4 );
+    glVertex3f( -1.0, -0.5, 0.4 );
+    glVertex3f( -1.0,  0.5, 0.4 );
+    glEnd();
+
+    qglColor( &darkRed );
+
+    glBegin( GL_QUAD_STRIP );
+    glVertex3f(  1.0,  0.5, -0.4 );   glVertex3f(  1.0,  0.5, 0.4 );
+    glVertex3f(  1.0, -0.5, -0.4 );   glVertex3f(  1.0, -0.5, 0.4 );
+    qglColor( &yellow );
+    glVertex3f( -1.0, -0.5, -0.4 );   glVertex3f( -1.0, -0.5, 0.4 );
+    qglColor( &green );
+    glVertex3f( -1.0,  0.5, -0.4 );   glVertex3f( -1.0,  0.5, 0.4 );
+    qglColor( &lightGray );
+    glVertex3f(  1.0,  0.5, -0.4 );   glVertex3f(  1.0,  0.5, 0.4 );
+    glEnd();
+
+    glEndList();
+
+    return $list;
+}
+
+
+
+#  Set the rotation angle of the object to \e degrees around the X axis.
+
+sub setXRotation
+{
+    my $deg = shift;
+    xRot = $deg % 360;
+    updateGL();
+}
+
+
+#  Set the rotation angle of the object to \e degrees around the Y axis.
+
+sub setYRotation
+{
+    my $deg = shift;
+    yRot = $deg % 360;
+    updateGL();
+}
+
+
+#  Set the rotation angle of the object to \e degrees around the Z axis.
+
+sub setZRotation
+{
+    my $deg = shift;
+    zRot = $deg % 360;
+    updateGL();
+}
+
+sub DESTROY
+{
+#    makeCurrent();
+    glDeleteLists( object, 1 );
+}
+
+1;