split code, started to properly implement functions
stuck at array get/set
new folder layout for source
added java code to wrap primitive double arrays
more geometry/math stuff
remove array vector stuff for now, will use normal vectors to get this finally started
moved fn to separate ns
updated to clojure 1.6
started to re-implement with normal vectors
added repl ns, removed old ray code
fixed doc string metadata for all functions
added some more geometry functions and simple hit calculation
renamed sphere hash keys, added hit test
renamed hit? to hit-sphere?
fixed dy ray
raytracing, untested
added ray-range test
removed java source
fixed getting all rays, added tests for raytracing
drawing and gui