Is it possible to disable the redraw/refresh of the canvas in general or sprite specifically? Would be nice to simply leave trails of objects...
With vanilla C2:
1. Select the bottom layer and set transparent to true.
2.Goto "Project Properties" and set "Clear Background" to "No".
3? If "Enable WebGL" is "on" add the brightness effect to the layout.
There you go, no clearing between frames.
For more control you could try out the canvas or paster plugins. Both work well when webgl is off, Paster is much faster with webgl on.
https://www.scirra.com/forum/plugin-canvas_topic46006.html
https://www.scirra.com/forum/plugin-paster_topic75668.html
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Thank you, it works but fades the scene, so it leaves trails... The mentioned plugins sound good, great that you created Paster!