3 commits

Author	SHA1	Message	Date
nek0	4941ec1904	fix missing imports and wrong type declaration	2020-12-27 05:30:57 +01:00
nek0	7b174248ec	move velocity into Mass typeclass	2020-12-27 05:25:54 +01:00
nek0	454405b564	add typeclass for collidible objects	2020-12-27 05:19:51 +01:00