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Reflected cube uses QMatrix4x4

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This commit is contained in:
Martin Gräßlin 2011-01-01 19:25:10 +01:00
parent 8c4db8f734
commit fe614119e5
1 changed files with 2 additions and 14 deletions
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16
effects/cube/cube.cpp
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@ -373,17 +373,11 @@ void CubeEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
{
// restrict painting the reflections to the current screen
PaintClipper::push( QRegion( rect ));
#ifndef KWIN_HAVE_OPENGLES
glPushMatrix();
#endif
// we can use a huge scale factor (needed to calculate the rearground vertices)
// as we restrict with a PaintClipper painting on the current screen
float scaleFactor = 1000000 * tan( 60.0 * M_PI / 360.0f )/rect.height();
m_reflectionMatrix.setToIdentity();
m_reflectionMatrix.scale(1.0, -1.0, 1.0);
#ifndef KWIN_HAVE_OPENGLES
glScalef( 1.0, -1.0, 1.0 );
#endif
// TODO reflection is not correct when mixing manual (mouse) rotating with rotation by cursor keys
// there's also a small bug when zooming
@ -392,18 +386,12 @@ void CubeEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
if( manualVerticalAngle > 0.0f && effects->numberOfDesktops() & 1 )
{
m_reflectionMatrix.translate(0.0, cos( fabs( manualAngle ) * M_PI / 360.0f * float( effects->numberOfDesktops() ) ) * addedHeight2 + addedHeight1 - float( rect.height() ), 0.0);
#ifndef KWIN_HAVE_OPENGLES
glTranslatef( 0.0, cos( fabs( manualAngle ) * M_PI / 360.0f * float( effects->numberOfDesktops() ) ) * addedHeight2 + addedHeight1 - float( rect.height() ), 0.0 );
#endif
}
else
{
m_reflectionMatrix.translate(0.0, sin( fabs( manualAngle ) * M_PI / 360.0f * float( effects->numberOfDesktops() ) ) * addedHeight2 + addedHeight1 - float( rect.height() ), 0.0);
#ifndef KWIN_HAVE_OPENGLES
glTranslatef( 0.0, sin( fabs( manualAngle ) * M_PI / 360.0f * float( effects->numberOfDesktops() ) ) * addedHeight2 + addedHeight1 - float( rect.height() ), 0.0 );
#endif
}
pushMatrix(m_reflectionMatrix);
#ifndef KWIN_HAVE_OPENGLES
// TODO: find a solution for GLES
@ -454,8 +442,8 @@ void CubeEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
#ifndef KWIN_HAVE_OPENGLES
// TODO: find a solution for GLES
glDisable( GL_CLIP_PLANE0 );
glPopMatrix();
#endif
popMatrix();
float vertices[] = {
-rect.width()*0.5f, rect.height(), 0.0,