Remove depth testing on Phone - Touch Point sprites

[jonathanhammond]

On placing the phone patch within a 3D transformation tearing of the Touch Point sprites will occur when rotating on the Y axis. This kind of rotation is needed for a parallax effect.

Solution set the Phones Touch Point's sprites (shading, fill) Depth Testing to None.

[jonathanhammond]

See https://github.com/justaddmusic/Image-Scrolling for example. Use , and . to rotate the phone on the y axis causing the tearing on the Touch Point sprites.