rootandClaude Opus 5
82effb2c03
game-maker / suite (push) Successful in 8m23s
The wiki carried an estimate ("fine for dozens, not for thousands"). Measured
on the Intel HD 630 that CI uses, 48x48 sprites in a 640x360 camera, neutral
values, three runs agreeing to 1 fps:
sprites 25 50 100 200 400 800
fps 58 56 54 48 34 20
The same scene without shaders holds 60 fps at every one of those counts, 800
included. Quadrupling the sprite area (96x96) measures the same, so the cost is
the render target switch, not the pixels: roughly 20 us per pass up to 200,
40 us at 800.
tools/perf-shaders.mjs drives it (not run in CI, frame times are machine
dependent). New hook __gm.filterCount() counts visible nodes carrying a filter
and proves one pass per sprite; e2e 28 checks it.
Two traps the tool guards against, both cost a wrong answer first: the median
frame time is useless here (the distribution is bimodal under vsync, so the
rate comes from frames/duration), and --disable-gpu-vsync has no effect in
headless, so what is measured is the point where the frame rate breaks down.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
71 lines
4.1 KiB
Markdown
71 lines
4.1 KiB
Markdown
# Game Maker
|
||
|
||
A browser-based tool "one step before a game engine": create **assets** (scenes, cameras,
|
||
sprites), place them into scenes, tweak their properties in an inspector and press **Play** –
|
||
all in one program, all drawn inside a single WebGL canvas.
|
||
|
||
Live: <https://nockal.com/game-maker/> · Widget playground: <https://nockal.com/game-maker/?playground>
|
||
|
||
**The documentation is the wiki:** <https://git.nockal.com/meleki/game-maker/wiki> – every concept,
|
||
node, tab and shortcut, plus the architecture and the development workflow. This file is the short
|
||
way in.
|
||
|
||
## In one screen
|
||
|
||
- An **asset** is a named, typed thing (scene, camera, sprite, text, behavior, collider, container,
|
||
texture, animation, state machine) with properties and no position.
|
||
- A **scene object** places an asset: position, sparse **overrides** of its properties, an optional
|
||
parent. Only what differs from the asset is stored; the inspector paints it gold and offers ↺ / ↑.
|
||
- A **container** is a reusable group edited once and placed many times; its content is resolved
|
||
from the template on every read. A **screen** is a container switched on and off.
|
||
- A **behavior** is logic as a node graph, placed like anything else and parented to the object it
|
||
acts on. Play has no built-in behaviour – everything that happens is a graph.
|
||
- **Play** runs a throwaway copy of the project; every panel stays usable and Stop brings back
|
||
exactly what was saved.
|
||
|
||
## Quick start
|
||
|
||
Node 22 is required.
|
||
|
||
```bash
|
||
npm install
|
||
npm run dev # http://localhost:5175/game-maker/dist/ – API calls are proxied to production
|
||
npm run check # typecheck + lint + format:check + unit tests – the gate CI runs too
|
||
npm run build # writes dist/ and regenerates index.html; the folder is what nginx serves
|
||
```
|
||
|
||
The browser suite and the three example games need a machine with a GPU:
|
||
|
||
```bash
|
||
node tools/seed-e2e.mjs && node tools/e2e.mjs # the editor, 728 checks (GM_STEPS=20 for one step)
|
||
node tools/seed-jumprun.mjs && node tools/smoke-jumprun.mjs
|
||
node tools/seed-tetris.mjs && node tools/smoke-tetris.mjs
|
||
node tools/seed-actor.mjs && node tools/smoke-actor.mjs
|
||
```
|
||
|
||
Every push runs all of it on the Gitea runner, so locally take the gate plus the step your change
|
||
touches and leave the full run to CI. Details, the GPU requirement and the detached runner are in
|
||
[Development](https://git.nockal.com/meleki/game-maker/wiki/Development).
|
||
|
||
## Documentation
|
||
|
||
| Page | What it covers |
|
||
|---|---|
|
||
| [Concepts](https://git.nockal.com/meleki/game-maker/wiki/Concepts) | Assets, scene objects, overrides, play mode, the camera, the console |
|
||
| [Scene editing](https://git.nockal.com/meleki/game-maker/wiki/Scene-editing) | Placing, z-order, hierarchy, the editor offset |
|
||
| [Behaviors](https://git.nockal.com/meleki/game-maker/wiki/Behaviors) | Node graphs: variables, the node set, structs and lists, loops, nesting, editing |
|
||
| [Colliders](https://git.nockal.com/meleki/game-maker/wiki/Colliders) | Collision events and blocking movement |
|
||
| [Textures](https://git.nockal.com/meleki/game-maker/wiki/Textures) | Images, frames, the filter, upload limits |
|
||
| [Animations](https://git.nockal.com/meleki/game-maker/wiki/Animations) | Animation assets and the Animation tab |
|
||
| [State machines](https://git.nockal.com/meleki/game-maker/wiki/State-machines) | The asset, `State branch` and `Set state` |
|
||
| [Containers](https://git.nockal.com/meleki/game-maker/wiki/Containers) | Templates, instances, screens |
|
||
| [Keyboard](https://git.nockal.com/meleki/game-maker/wiki/Keyboard) | Every shortcut |
|
||
| [Architecture](https://git.nockal.com/meleki/game-maker/wiki/Architecture) | Stack, source layout, the rules that keep it organised |
|
||
| [Development](https://git.nockal.com/meleki/game-maker/wiki/Development) | Commands, the e2e suite, the example games, CI |
|
||
| [API](https://git.nockal.com/meleki/game-maker/wiki/API) | The PHP JSON API and the project document |
|
||
|
||
## Ideas, gaps and bugs
|
||
|
||
They live in the issue tracker: <https://git.nockal.com/meleki/game-maker/issues>. What is not
|
||
there yet is listed on the wiki's [Home](https://git.nockal.com/meleki/game-maker/wiki) page.
|