local function updateCurtainCanvas (x, y, radius) love.graphics.setCanvas (CurtainCanvas) -- black curtain love.graphics.setBlendMode( "alpha") love.graphics.setColor (0,0,0,1) -- black love.graphics.rectangle ('fill', 0,0, CurtainCanvas:getWidth( ), CurtainCanvas:getHeight( )) -- circle ...

Simple function: local function setColorHEX(rgba) -- setColorHEX(rgba) -- where rgba = "#336699cc" local rb = tonumber(string.sub(rgba, 2, 3), 16) local gb = tonumber(string.sub(rgba, 4, 5), 16) local bb = tonumber(string.sub(rgba, 6, 7), 16) local ab = tonumber(string.sub(rgba, 8, 9), 16)...

Is it possible to make a FullHD version? What exactly do you mean by that? A fullscreen mode, higher resolution textures or something completely different? Windowed high resolution 1920x1080 and (optional) 4K fullscreen, the window with a size about 400-600 pixels is too tiny. And why the window mu...

Is it possible to make a FullHD version?

If the sequence is not important, then the fast removing is just: local i = 1 while tabls[i] do if tabls[i].valid then i = i+1 -- go to next else tabls[i], tabls[#tabls] = tabls[#tabls], nil -- erasing with the last end end Also it can be important to define what enemy is near to the bullet and remo...

Where dt is about 1/60 seconds.

So the result of the function must be a special structure with array of polygons as areas _and_ array of polygons as outline?
First draw all polygons (triangulated for concave) and than render all outlines.

Maybe change the countdown based on player speed or add the player speed to all bullets?

Yes, such games must have events just on mouse movement, click (or release) mouse buttons. Ok, you can also update the timer on every second.

But how Löve can accept polygons with holes?