Balistic Project with line tracer

-Add a balistics project with line and dots to trace the route

Signed-off-by: Gustavo Jaruga <darksshades@gmail.com>
Add fixed ball ands re-launch

-Different line colors for each launch
-Space to lauch/prepare balls
-rf/tg/yh/uj to change K properties
-E to hide text
-Q to show collisions
-WS to change force
-AD to change angle