raylib

EvanLavender13

更新于 Yesterday

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This skill helps developers leverage raylib's existing API to avoid reinventing solutions for graphics, input, or audio. It directs you to consult the official cheatsheet to find built-in functions before writing custom code. Use it to quickly check for available utilities in modules like shapes, textures, and audio.

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raylib Development

Check raylib's built-in functions before writing custom implementations.

Cheatsheet First

Reference: https://www.raylib.com/cheatsheet/cheatsheet.html

Before implementing any rendering, input, or audio feature:

Identify the module (shapes, textures, text, models, shaders, audio)
Scan that module's functions in the cheatsheet
Only write custom code if no raylib function exists

Use WebFetch to retrieve and search the cheatsheet when uncertain.

Module Categories

Module	Covers	Common Functions
rcore	Window, input, timing	`GetFrameTime`, `IsKeyPressed`, `GetMousePosition`
rshapes	2D primitives	`DrawLineEx`, `DrawRectangleRounded`, `DrawCircleSector`
rtextures	Images, textures	`DrawTexturePro`, `LoadRenderTexture`, `BeginTextureMode`
rtext	Font rendering	`DrawTextEx`, `MeasureTextEx`
rmodels	3D geometry	`DrawMesh`, `LoadModel`
raudio	Sound, music	`LoadSound`, `PlaySound`, `SetSoundVolume`
rlgl	Low-level OpenGL	Use only when raylib lacks the feature

Before You Implement

Check these functions first for common tasks:

Task	Check First
Thick lines	`DrawLineEx(start, end, thickness, color)`
Rounded rectangles	`DrawRectangleRounded`, `DrawRectangleRoundedLines`
Rotated/scaled sprites	`DrawTexturePro(texture, source, dest, origin, rotation, tint)`
Bezier curves	`DrawLineBezier`, `DrawLineBezierQuad`, `DrawLineBezierCubic`
Render to texture	`LoadRenderTexture`, `BeginTextureMode`, `EndTextureMode`
Screen capture	`TakeScreenshot`, `LoadImageFromScreen`
Shader uniforms	`GetShaderLocation`, `SetShaderValue`
Delta time	`GetFrameTime()` returns seconds since last frame

Naming Conventions

raylib uses consistent verb prefixes:

Load* / Unload* — Resource lifecycle
Begin* / End* — Scoped state (drawing, shader, texture mode)
Draw* — Immediate rendering
Get* / Set* — Property access
Is* — Boolean queries (IsKeyPressed, IsWindowResized)
Check* — Collision detection

rlgl: Last Resort

rlgl exposes raw OpenGL. Use only when:

raylib provides no built-in function
Performance requires batched custom geometry
Custom vertex attributes needed

For simple shapes, rshapes functions outperform hand-rolled rlgl.

Verification

When implementing graphics features, verify:

Searched cheatsheet for existing function
Checked rshapes before rlgl
Used DrawTexturePro for any sprite transforms
Paired all Begin*/End* calls

GitHub 仓库

EvanLavender13/audio-jones

路径: .claude/skills/raylib