make hidden flag a general attribute of nodes

remove check for alpha == zero because that will almost never happen

fix illegally skipping geometry update of text node

use new scale2d function in text update

fix scale not initialized to 1

add texture.h

cleanup includes

create new UI subdir

remove unnecessary scene container

make the timer have nanoseconds precision

simplify how transforms work

create own compilation unit for GL context - fixes shader not being created per context

(0) -12 +12 tip

mercurial