Method updateWeight

Engine/source/Verve/VPath/VPathEditor.cpp:631–714

}

void VPathEditor::updateWeight( const Gui3DMouseEvent &pEvent )
{
    if ( !isEditingWeight() )
    {
        // Woops!
        return;
    }

    // Fetch Current Node.
    VPathNode *node    = mSelection.Path->getNode( mSelection.Node );
    Point3F    nodePos = node->getWorldPosition();

    // Fetch Node Transform.
    MatrixF mat = node->getWorldTransform();

    // Fetch the Normal.
    const VectorF planeNormal = mat.getColumn3F( 0 );

    // Construct Plane.
    const PlaneF plane( nodePos, planeNormal );

    Point3F iPt;
    if ( plane.intersect( pEvent.pos, pEvent.vec, &iPt ) )
    {
/*
        // Fetch Edit Vector.
        VectorF tangentVect( mSelection.TangentHandle[mEditWeightHandle] - nodePos );
        tangentVect.normalize();

        // Fetch Mouse Vector.
        VectorF mouseVec( iPt - nodePos );
        F32 mouseDist = mouseVec.len();
        mouseVec.normalize();

        // Find the Angles.
        F32 tangentAngle = mAtan2( -tangentVect.z, tangentVect.x );
        F32 mouseAngle   = mAtan2( -mouseVec.z, mouseVec.x );

        // Determine Sign.
        const S32 sign = ( planeNormal.y > 0.f ) ? -1.f : 1.f;

        // Delta Rotation..
        const QuatF deltaRotation( AngAxisF( planeNormal, sign * ( mouseAngle - tangentAngle ) ) );

        // Calculate New Rotation.
        QuatF newRotation;
        newRotation.mul( nodePos, deltaRotation ); 

        // Apply Rotation.
        setNodeRotation( mSelection.Node, newRotation );
*/
/*
        // Fetch Edit Vector.
        VectorF handleVec( mSelection.TangentHandle[mEditWeightHandle] - nodePos );
        handleVec.normalize();

        // Fetch Mouse Vector.
        VectorF mouseVec( iPt - nodePos );