The FINAL version!
CONTROLS:
1 / LMB - spawn a main meme container (image, video, sound effect...)
2 / RMB - spawn a secondary meme container (circle, arrow, text...)
3 / MMB - spawn a major greenscreen
S / BACKSPACE - change current background video
P / SPACE - PAUSE (and unpause)
R - RESTART
(+) (while holding 1, 2 or 3, only affects one category) - increase spawn rate
(-) (while holding 1, 2 or 3, only affects one category) - decrease spawn rate