void BillboardLine::setColor( float r, float g, float b, float a )
{
if ( a < 0.9998 )
{
material_->getTechnique(0)->setSceneBlending( Ogre::SBT_TRANSPARENT_ALPHA );
material_->getTechnique(0)->setDepthWriteEnabled( false );
}
else
{
material_->getTechnique(0)->setSceneBlending( Ogre::SBT_REPLACE );
material_->getTechnique(0)->setDepthWriteEnabled( true );
}
color_ = Ogre::ColourValue( r, g, b, a );
for (uint32_t line = 0; line < num_lines_; ++line)
{
uint32_t element_count = num_elements_[line];
for ( uint32_t i = 0; i < element_count; ++i )
{
Ogre::BillboardChain* c = chains_[line / lines_per_chain_];
Ogre::BillboardChain::Element e = c->getChainElement(line % lines_per_chain_, i);
e.colour = color_;
c->updateChainElement(line % lines_per_chain_, i, e);
}
}
}
void BillboardLine::setLineWidth( float width )
{
width_ = width;
for (uint32_t line = 0; line < num_lines_; ++line)
{
uint32_t element_count = num_elements_[line];
for ( uint32_t i = 0; i < element_count; ++i )
{
Ogre::BillboardChain* c = chains_[line / lines_per_chain_];
Ogre::BillboardChain::Element e = c->getChainElement(line % lines_per_chain_, i);
e.width = width_;
c->updateChainElement(line % lines_per_chain_, i, e);
}
}
}