A couple of experiments done while brainstorming about a new game made with
ALS.
The first effect is obtained basically at no processing cost, while the second one requires only the minimal cost of blitting a 2 bit mask. A stock Amiga 1200 can handle this without breaking a sweat.
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To be honest, I'm at a loss regarding which game to make.
It all started with the itch of remaking the second game I ever made (and never publicly released), but while fiddling with ALS these effects came to mind - and they don't happen to be very suitable for that game.
So, I tried to think of alternatives, and the best idea I came up is a game where: there are two parallel worlds, a real (dangerous/dark) one and an illusory (pleasant/nice) one; the screen mostly shows the illusory world, but the character controlled by the player is inside a bubble around it that shows the real world or there's some mechanism that allows the player to somehow reveal the real world - e.g. with a sort of torch light. The problem with this idea is designing the game and producing the content (double graphics work!) - it's something I can't undertake now.
Also, a sports game is sorely missing from my catalogue, but so far I couldn't think of anything interesting.