New build changes (v14)

Bug Fixes:
-Fixed no damage bug
-Fixed no sound bug

Gameplay tweaks:
-increased gravity power
-increased radius from aim point for snipe effect
-reduced number of cubes in triangle
-Level 2 has up to 2 enemies at any time, spawn time is longer.
-player is slower, acceleration is unchanged

Added:
-level 4 state, as trigger for meta circle appearance (absorb 5 cubes after entering triangle, some enemies will spawn during level 3)