OSG_USING_NAMESPACE
Vec4f cToV (Color4f & col)
{
return Vec4f(col.red(), col.green(), col.blue(), col.alpha());
}
void Graphics3DExtrude::drawRect(const Pnt2f& TopLeft, const Pnt2f& BottomRight, const Color4f& Color, const Real32& Opacity) const
{
Real32 Alpha(Color.alpha() * Opacity * getOpacity());
if(Alpha < 1.0 || getEnablePolygonAntiAliasing())
{
//Setup the Blending equations properly
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
}
glColor4f(Color.red(), Color.green(), Color.blue(), Alpha );
glBegin(GL_QUADS);
//Front
glNormal3f(0.0,0.0,1.0);
glVertex3f(TopLeft.x(), TopLeft.y(), 0.0);
glVertex3f(TopLeft.x(), BottomRight.y(), 0.0);
glVertex3f(BottomRight.x(), BottomRight.y(), 0.0);
glVertex3f(BottomRight.x(), TopLeft.y(), 0.0);
//Back
glNormal3f(0.0,0.0,-1.0);
glVertex3f(TopLeft.x(), TopLeft.y(), getExtrudeLength());
glVertex3f(BottomRight.x(), TopLeft.y(), getExtrudeLength());
glVertex3f(BottomRight.x(), BottomRight.y(), getExtrudeLength());
glVertex3f(TopLeft.x(), BottomRight.y(), getExtrudeLength());
//Top
glNormal3f(0.0,-1.0,0.0);
glVertex3f(TopLeft.x(), TopLeft.y(), 0.0);
glVertex3f(BottomRight.x(), TopLeft.y(), 0.0);
glVertex3f(BottomRight.x(), TopLeft.y(), getExtrudeLength());
glVertex3f(TopLeft.x(), TopLeft.y(), getExtrudeLength());
//Bottom
glNormal3f(0.0,1.0,0.0);
glVertex3f(TopLeft.x(), BottomRight.y(), 0.0);
glVertex3f(TopLeft.x(), BottomRight.y(), getExtrudeLength());
glVertex3f(BottomRight.x(), BottomRight.y(), getExtrudeLength());
glVertex3f(BottomRight.x(), BottomRight.y(), 0.0);
//Right
glNormal3f(1.0,0.0,0.0);
glVertex3f(BottomRight.x(), TopLeft.y(), 0.0);
glVertex3f(BottomRight.x(), BottomRight.y(), 0.0);
glVertex3f(BottomRight.x(), BottomRight.y(), getExtrudeLength());
glVertex3f(BottomRight.x(), TopLeft.y(), getExtrudeLength());
//Left
glNormal3f(-1.0,0.0,0.0);
glVertex3f(TopLeft.x(), TopLeft.y(), 0.0);
glVertex3f(TopLeft.x(), TopLeft.y(), getExtrudeLength());
glVertex3f(TopLeft.x(), BottomRight.y(), getExtrudeLength());
glVertex3f(TopLeft.x(), BottomRight.y(), 0.0);
glEnd();
if(Alpha < 1.0 || getEnablePolygonAntiAliasing())
{
glDisable(GL_BLEND);
}
}
Action::ResultE LineParticleSystemDrawer::draw(DrawEnv *pEnv,
ParticleSystemUnrecPtr System,
const MFUInt32& Sort)
{
UInt32 NumParticles(System->getNumParticles());
bool areEndpointsFadeSame(getEndPointFading().x() == getEndPointFading().y());
Color4f Color;
if(NumParticles != 0)
{
bool SeparateColors(System->getNumColors() > 1);
bool SeparateSizes(System->getNumSizes() > 1);
bool SeparateNormals(System->getNumNormals() > 1);
glBegin(GL_LINES);
//Colors
if(!SeparateColors && areEndpointsFadeSame)
{
Color = System->getColor(0);
glColor4f(Color.red(), Color.green(), Color.blue(), Color.alpha() * getEndPointFading().x());
}
//Sizes
if(!SeparateSizes)
{
//glColor4fv(System->getColor(0).getValuesRGBA());
}
//Normals
if(!SeparateNormals)
{
glNormal3fv(System->getNormal(0).getValues());
}
for(UInt32 i(0) ; i<NumParticles ; ++i)
{
//Start Color
if(SeparateColors)
{
Color = System->getColor(i);
glColor4f(Color.red(), Color.green(), Color.blue(), Color.alpha() * getEndPointFading().x());
}
else if(!SeparateColors && !areEndpointsFadeSame)
{
Color = System->getColor(0);
glColor4f(Color.red(), Color.green(), Color.blue(), Color.alpha() * getEndPointFading().x());
}
//Sizes
if(SeparateSizes)
{
//glColor4fv(System->getColor(i).getValuesRGBA());
}
//Normals
if(SeparateNormals)
{
glNormal3fv(System->getNormal(i).getValues());
}
//Positions
glVertex3fv(System->getPosition(i).getValues());
//End Color
if(SeparateColors && !areEndpointsFadeSame)
{
Color = System->getColor(i);
glColor4f(Color.red(), Color.green(), Color.blue(), Color.alpha() * getEndPointFading().y());
}
else if(!SeparateColors && !areEndpointsFadeSame)
{
Color = System->getColor(0);
glColor4f(Color.red(), Color.green(), Color.blue(), Color.alpha() * getEndPointFading().y());
}
glVertex3fv(getLineEndpoint(System, i).getValues());
}
glEnd();
}
return Action::Continue;
}