Forward mercator bug fixed.
Ellipsoid ECEF2LonLat return bug fixed.
mouse position control bugs fixed.
Added some useful math functions.
float rgba coder functions have added.
Rename coder's functions.
Added vector4 array to vector conv function.
Proj matrix set frustum edges keeping.
picking distance shader has added.
Mouse moving event some bug fixed.
Mouse terrain position with picking shader available.
Turn framebuffer status checking off.
New depth file and some sandbox control changing stuff.