Removed in LÖVE 0.9.0  
 It has been moved to ParticleSystem:getOffset. 
Get the x coordinate of the particle rotation offset.
xOffset = ParticleSystem:getOffsetX( )
None.
number xOffset
 
    © 2006–2016 LÖVE Development Team
Licensed under the GNU Free Documentation License, Version 1.3.
    https://love2d.org/wiki/ParticleSystem:getOffsetX