Initial rotation applied to each particle, in degrees. Only applied when flagDisableZ or flagRotateY are true or the SpatialMaterial being used to draw the particle is using constant SpatialMaterial.BILLBOARD_PARTICLES.
See Implementation
Initial rotation applied to each particle, in degrees. Only applied when flagDisableZ or flagRotateY are true or the SpatialMaterial being used to draw the particle is using constant SpatialMaterial.BILLBOARD_PARTICLES.