First time trying out the overburn technique. Ran into some problems with batch render. The particles wouldn't render until I cached everything. After caching, this created another problem where all of my particles received the same texture coordinates, when they are supposed to receive random coordinates.
I am not entirely sure how I fixed it, but I deleted/created the cache several times before the expressions finally started work. It may have been the selection order that I cached both the tracer and cloud particles.
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