So, writing a Metal Storm clone is just way to complex for me right now, so I'm working on a vertically scrolling platformer instead (something like Kid Icarus). This is what I got so far. You can disappear from one side and reappear from another.

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Added platforms. To stand on. There are also platforms offscreen to prevent the character from falling in the "transition zone" between wrapping to the other side of the screen. Something to keep in mind when implementing an actual level format and level editor.

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Implemented a level format and a scrolling camera.

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Engine now supports multiple levels.

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Level resets when you fall off screen.

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Added platforms that you can jump onto from the bottom, but proper collision detection still needs to be worked on.

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Added the first enemy. It just walks back in forth right now. It doesn't even take or do any damage, at the moment.

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Added a second enemy. It just moves up and down.

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Added HP (which you can't see) and sprite flicker when you get hit. I normally put stats like HP in the title bar before adding a HUD, but that didn't show up in my recording.

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Added death sprites to the characters.

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Enemies now flash red when hit.

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Enemy now changes directions when at the edge of ledges.

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Finally added sound effects.

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And somehow they didn't show up in my recordings, despite me unmuting the desktop audio.

Alright, he is a recording with actual sound this time.

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Player character can now look up and shoot up.

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Created a new type of enemy. It moves in a sine curve. Though the movement needs some tweaking if it is going to spawn in groups like this.

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Got somewhat of a better pattern.

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Added hearts, though you still can't see the HP.

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Added a basic HUD. It's just text right now, but I plan on replacing the HP text with an actual health bar.

Right now, I"m suffering from writer's block on enemy design because I can't come up with new enemy ideas. Maybe I should replay Kid Icarus for inspiration, but I don't want this to be a straight up clone of the game. I always try to come up with at least something different.

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Added a Game Over and Title screen. Both are currently blank and are red and black respectively.

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Added a new enemy. It attacks when in line of sight of the player. It still needs tweaking. The placeholder spritesheet has unequal sizes for the sprites.

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Got the enemy to attack when the player is at most, 4 tiles away from the player and is facing the player. Though admittedly, it should be lower. I was just testing the conditions and I will lower the range to make it more reasonable.

I also got the hitbox to change size during the attack, but that's not demonstrated in this recording.

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Tweaked the range to be more reasonable. Ideally it should be within stabbing distance.

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The enemy now deflects bullets when facing the player and not attacking.

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