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I would now like to show how the contour builds up in time, i.e. you should see how the machine moves (with adjustable speed).
More or less, you want to render your drawing in slow motion.
Your needs look rather specialized, this imply a lot research to find a readily library for your needs.
Or you can create your own library.
- you need to master the mathematics of scaling in size and in time.
- You need to recreate tools for the drawing 1 pixel at the time.
- You need to master the usage of timer draw each steps in a timely fashion.
- You may also want to simulate the move of the laser head between cuts.
- You may also want to show the laser head with a sprite.
A lot of work, but a nice learning curve too.