Ogre实现物体透明

Ogre::MaterialPtr meterialPtr=Ogre::MaterialManager::getSingleton().getByName(meterialName);
    Ogre::Pass *pass=meterialPtr->getTechnique( 0)->getPass( 0);
     if (pass)
    {
        pass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
        pass->setDepthWriteEnabled( false);
         /* pass->setDepthCheckEnabled(false); */
        pass->setDiffuse( 1.0, 1.0, 1.0,( float)nAlpha/ 255);
         // pass->getTextureUnitState(0)->setAlphaOperation(Ogre::LBX_MODULATE, Ogre::LBS_TEXTURE, Ogre::LBS_MANUAL,1.0, (float)nAlpha/255);
    }

 

或者直接在材质文件里面配置

material 123

{

technique

{

pass

{

ambient 0.588 0.588 0.588 1

diffuse 1.0 1.0 1.0 0.15//修改alpha就可

specular 0.045 0.045 0.045 1 10

scene_blend alpha_blend

depth_write off

texture_unit

{

texture 123.bmp

}

}

}

}