Demonstration of alphaTexture not working.
- /materials/albedoTexture.png - An albedo texture with no alpha
- /materials/alphaTexture1.png - An alpha texture with RGB 255,255,255 for transparency
- /materials/alphaTexture2.png - An alpha texture with alpha 0 for transparency
- /materials/alphaTexture3.png - The albedo texture with alpha 0 for transparency