Method prepModelView

Engine/source/T3D/fx/explosion.cpp:1169–1194

-------------------------------------------------------------------------- Make the explosion face the viewer (if desired) --------------------------------------------------------------------------

// Make the explosion face the viewer (if desired)
//--------------------------------------------------------------------------
void Explosion::prepModelView(SceneRenderState* state)
{
   MatrixF rotMatrix( true );
   Point3F targetVector;

   if( mDataBlock->faceViewer )
   {
      targetVector = getPosition() - state->getCameraPosition();
      targetVector.normalize();

      // rotate explosion each time so it's a little different
      rotMatrix.set( EulerF( 0.0f, mRandAngle, 0.0f ) );
   }
   else
   {
      targetVector = mInitialNormal;
   }

   MatrixF explOrient = MathUtils::createOrientFromDir( targetVector );
   explOrient.mul( rotMatrix );
   explOrient.setPosition( getPosition() );

   setCurrentScale();
   explOrient.scale( mObjScale );
   GFX->setWorldMatrix( explOrient );
}

//--------------------------------------------------------------------------
// Render object