Demo "10. Modulation" is broken

[Rob Duarte]

Trying execute the first two commands:

b = Box().render()
b.size = lfo( 'sine', .5, .5, 1 )

fails with the errors:

ReferenceError: storepos is not defined
ReferenceError: b is not defined
Cannot read properties of undefined (reading 'size')

[Rob Duarte]

Same for Intro to CSG demo

[charlie roberts]

Fixed in 1fe283e thanks!