raindrops with gl_points
added geo shader; problem with mvp
geometry shader working; fixed mvp problem
small fixes
cleaned up geometry shader
added transformFeedback (not properly working yet)
added transformFeedback (not properly working yet)
updated OpenGL requirements to 4.2
reworked uniforms, shader and interaction
fixed some shader issues
fixed AMD bug; still uncorrect output
fixed shader linking; geometry shader not working
billboard working
changed init cam position to center of billboards
added particle attributes; bug with TF shaders
swapped TF with OpenCL
added other particle attribs; not working yet
problem with velo buffer
velocity & seed buffers working!
parameter tuning