AdvancedOptionalaThe tint, any ColorSource in display (sRGB) space; its alpha, 1 when it has none, sets the opacity
Optionalax is the world-space diameter, y the rotation in radians
OptionalaThe flipbook window (u0, v0, uScale, vScale), flipbook systems only
OptionalaThe particle centre
The attributes every
ParticleContainer3Dcarries, whatever bits it composes