40 lines
2.0 KiB
Markdown
40 lines
2.0 KiB
Markdown
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# Where this art came from
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Every PNG in this directory is from **Kenney's Space Shooter (Remastered)**, released
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into the public domain under
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[Creative Commons Zero](http://creativecommons.org/publicdomain/zero/1.0/).
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`License.txt` is the pack's own licence file, copied here unedited.
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* Source: <https://kenney.nl/assets/space-shooter-remastered>
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* Downloaded: 2026-08-04, `kenney_space-shooter-remastered.zip`
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* Author: Kenney (<https://www.kenney.nl>)
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* Licence: CC0 1.0. Crediting is not required; it is here because it should be.
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The files are the pack's `PNG/` versions, byte for byte — nothing is resized,
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recoloured or re-encoded, so the checksum of any of them still matches the
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distributed archive. `playerShip1_blue.png` sits at the top of `PNG/`; the enemies
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are from `PNG/Enemies/` and the lasers from `PNG/Lasers/`.
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| File | Size | Used for |
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|---|---|---|
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| `playerShip1_blue.png` | 99x75 | the player's ship |
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| `enemyBlue1.png` | 93x84 | the bee |
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| `enemyRed2.png` | 104x84 | the butterfly |
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| `enemyGreen3.png` | 103x84 | the boss, at full health |
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| `enemyBlack3.png` | 103x84 | the boss at one hit point — same silhouette, drained colour |
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| `laserBlue01.png` | 9x54 | the player's shot |
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| `laserRed01.png` | 9x54 | an enemy's shot |
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| `laserBlue08.png` | 48x46 | the explosion burst |
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The sprites are used at their distributed size: libakgl draws a sprite at the
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sprite's own dimensions (`akgl_Actor.scale` is overwritten every frame — libakgl
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docs/12-actors.md), so there is no way to draw these smaller, and the game's
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1280x960 view is sized to fit a ten-column formation of them instead. The boss's
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damage state is the same shape in a different colour deliberately: the swap has to
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read at a glance from the top of the screen.
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Everything else on screen — the starfield and the HUD — is drawn by the program
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with `akgl_draw_point()` and the UI layer. See `../../README.md` for the run
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instructions and the two tutorial chapters (docs/20, docs/21) for why only the
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things that move are artwork.
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