rust-bevy-collision-broadphase

Original：🇺🇸 English

Translated

Design and review Bevy 2D collision broadphase systems with AABB bounds, spatial indexes, typed collision events, and benchmark-driven test beds. Use when replacing O(n^2) collision checks, adding spatial partitioning, diagnosing Bevy collision performance, or separating broadphase, narrowphase, and response systems in Rust games.

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Sourcelvtd-llc/skills

Added on2026-09-06

NPX Install

npx skill4agent add lvtd-llc/skills rust-bevy-collision-broadphase

SKILL.md Content

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Rust Bevy Collision Broadphase

Use this skill to make Bevy collision detection scale without mixing detection, response, rendering, and gameplay rules into one system.

Core Workflow

Identify the collision shapes, movement model, entity counts, and layers.
Keep collider data small and independent from sprites, textures, and game rules.
Choose the cheapest broadphase that fits the scene: brute force for tiny counts, spatial hash for uniform worlds, quad tree for clustered worlds.
Emit candidate or collision events; let separate systems decide response.
Test edge contacts, fast movement, layer filters, despawn cases, and deterministic ordering.
Benchmark before and after changing the broadphase.

Task	Load
Pick or review a broadphase	`guidelines.md` , `references/broadphase-patterns.md`
Optimize an existing collision system	`workflows/optimize-collision.md`
Route a specific symptom	`guidelines.md`

Source Notes

Guidance is transformed and paraphrased from Herbert Wolverson, Advanced Hands-On Rust, especially Chapter 8 on obstacles and collision detection and Chapter 12 on optimization. The examples are original skeletons intended to preserve the transferable technique, not the book's project code.