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Unity Scene Optimizer

@Dev-GOM/claude-code-marketplace
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Analyzes scenes for performance bottlenecks (draw calls, batching, textures, GameObjects). Use when optimizing scenes or investigating performance issues.

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SKILL.md

name Unity Scene Optimizer
description Analyzes scenes for performance bottlenecks (draw calls, batching, textures, GameObjects). Use when optimizing scenes or investigating performance issues.
allowed-tools Read, Grep, Glob

Unity Scene Optimizer

Analyzes Unity scenes and provides performance optimization recommendations for rendering, physics, memory, and platform-specific concerns.

What This Skill Analyzes

1. Rendering Performance

Analyzes draw calls (target: <100 mobile, <2000 desktop), identifies batching opportunities, recommends material consolidation and static batching.

2. Texture Optimization

Reviews compression formats (BC7/ASTC), mipmap usage, texture atlasing, and platform-specific import settings.

3. GameObject Hierarchy

Targets: <500 GameObjects mobile, <2000 desktop. Identifies deep nesting, recommends object pooling and LOD groups.

4. Lighting and Shadows

Recommends baked lighting over realtime (1-2 lights mobile, 3-4 desktop), minimal shadow-casting lights.

5. Physics Optimization

Analyzes Rigidbody count, collider complexity, collision matrix configuration. Recommends simple colliders over Mesh colliders.

6. Mobile-Specific

Platform targets: 60 FPS iOS (iPhone 12+), 30-60 FPS Android. See mobile-checklist.md for complete requirements.

Optimization Workflow

  1. Measure: Frame Debugger, Stats, Profiler metrics
  2. Identify: GPU/CPU/Memory/Physics bottlenecks
  3. Apply: Quick wins (static batching, compression) → Medium (atlases, pooling, LOD) → Major (hierarchy refactor, culling)
  4. Validate: Compare before/after metrics

See optimization-workflow.md for detailed steps and timelines.

Platform-Specific Targets

Platform Draw Calls Triangles Texture Memory Lights
Mobile Low <50 <20k <100MB 1
Mobile Mid <100 <50k <250MB 1-2
Mobile High <150 <100k <500MB 2-3
PC Low <500 <200k <1GB 3-4
PC Mid <1000 <500k <2GB 4-6
PC High <2000 <1M <4GB 6-8
Console <1000 <800k <3GB 4-6

Tools Reference

Frame Debugger, Profiler, Stats Window, Memory Profiler. See tools-reference.md for usage and commands.

Output Format

Provides: Current metrics, bottleneck identification, prioritized recommendations, performance impact estimates, implementation steps.

When to Use vs Other Components

Use this Skill when: Analyzing scene performance, identifying bottlenecks, or getting optimization recommendations

Use @unity-performance agent when: Implementing complex optimizations, profiling at runtime, or troubleshooting specific performance issues

Use @unity-architect agent when: Redesigning scene architecture, implementing object pooling systems, or planning large-scale optimizations

Use /unity:optimize-scene command when: Running comprehensive scene analysis with detailed reports

Related Skills

  • unity-script-validator: For script-level performance issues
  • unity-template-generator: For optimized component templates