Multipuck sample app is just black square

Beta Testing HTML5
#1

Multipuck in the sample apps  (/SampleCode/Physics/MultiPuck) doesn’t seem to work. Just a black rectangle when opened in Firefox.

#2

Ah, I guess it’s the audio. Message underneath:

?:0: attempt to index global ‘audio’ (a nil value)

#3

Ah, I guess it’s the audio. Message underneath:

?:0: attempt to index global ‘audio’ (a nil value)