# Example art — sources and licences Every sprite used as a teaching example in these lessons is **human-made** and **CC0 (public domain)**. Nothing here is machine-generated. Where a lesson shows a deliberately *broken* version of a sprite, it is the real sprite put through a stated transformation (mirrored, squashed, shadow removed) — never a redrawn imitation. --- ## Ninja Adventure — Asset Pack - **Artists:** Pixel-Boy and AAA - **Licence:** Creative Commons Zero (CC0 1.0). *"You can use any and all of the assets found in this package in your own games, even commercial ones."* Attribution is not required; the authors ask only that you link their page if you feel like it. - **Source:** - **Mirror:** - **Files vendored:** `ninja-adventure/crate.png`, `ninja-adventure/pot.png` (from `content/destroyable/` in the upstream repo) - **Why these:** they are the clearest small examples in any CC0 pack of a top face and a front face on one object, with a real contact shadow underneath. The pot additionally has a genuine left-side highlight, which makes it usable for teaching light direction. ## Kenney — Tiny Town - **Artist:** Kenney (kenney.nl) - **Licence:** Creative Commons Zero (CC0 1.0). *"This content is free to use in personal, educational and commercial projects."* See `kenney-tiny-town/License.txt`. - **Source:** - **Files vendored:** `kenney-tiny-town/tilemap_packed.png` (12 × 11 grid of 16 × 16 tiles, no margin), `License.txt`, `Sample.png` - **Why these:** the most readable 16 × 16 top-down art available under CC0. Used for the "same camera, many objects" figure, because it contains a chest, a log, a fence post and a tree that all sit at wildly different top-face-to-front-face ratios. - **Honest caveat:** Kenney's style is deliberately flat — minimal shading, no light direction, no contact shadows. It is excellent for teaching *projection* and terrible for teaching *light*. The lessons say so where it matters. --- ## A note on mood Neither pack is western, and neither is horror. Both are bright and friendly. They are here to teach the **craft** — camera, proportion, light, shadow — not the **tone**. Tone references for the actual game live in `RESOURCES.md`, as links to shipped work rather than as vendored art. ## Reproducing the sprite library `assets/sprite-library.js` is generated from these PNGs by `assets/build-sprites.py`: ``` python3 assets/build-sprites.py ``` It reads the vendored art, encodes each sprite as a character grid plus its own palette, and derives the broken variants. Do not hand-edit `sprite-library.js`.