Revert "changes in particle emitter"

This reverts commit 509628ba15b50bc50b8da43a3e95c2b202fdd317.
Revert "changes in particle emitter"

This reverts commit 8a94aa91da8a86bd154bce6cd7f062a1a7a31dae.
Revert "changed variables in particle creator"

This reverts commit 5c9184369986e78ec8b7198f04bfae3bde50af53.
tweak test 1