Le 14/11/2018 à 11:05, And a écrit :
> In my imagine there is another function traceUvMap(start_point, direction)
> return the uv-map <u, v>

Objections, my dear:
1. usual SDL is lowercase, and words are separated with underscore, not
Camel syntax (as Uppercase is reserved to users)

2. trace() requires an object, as the whole scene is not yet available,
and you might trace to defined but not present in scene object

So it would rather looks like
trace_uv_map( object, start_point, direction)

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