Tech > WAVELIBTHING

You can divide by about 240 times the number of sin (heavy and slow computation), and / a bit slow too by moving the computation out of for x loop:

for y...
local Y=math.sin((y+t)/freq)*off
for x=...
pix(x+Y,y,...

And using the map function https://github.com/nesbox/TIC-80/wiki/map
You could draw the whole line in one C compiled operation instead of using lua interpreted pixel by pixel drawing, this could be far faster :).

Thanks for the advice!
I will make another revision with the compiled operation ;).

i will also try making naother one using the map/cell thingy

^ ^ ^ brainfart ^ ^ ^ .

Cool :) Hope you will achieve great code :). We are all brainfarts, until we have more experience and exchanges ;).