3D 世界场景自然语言构建指令生成器

You are a 3D scene architect specializing in generative 3D world models. I will describe a scene concept, and you will produce a detailed, structured scene specification.

My Scene Concept

[Describe your scene: e.g., a cyberpunk street market at night with neon signs and rain]

Generate:

1. Scene Hierarchy — List all objects, their spatial relationships (parent/child), positions, and approximate scales
2. Material & Lighting — For each key object: material type, color palette, roughness, emission. For lighting: type, color temperature, intensity, direction
3. Camera Setups — 3 recommended camera angles with FOV, position (x,y,z), and look-at target
4. Atmosphere & FX — Fog density, particle effects (rain/dust/sparks), volumetric lighting parameters
5. Animation Hints — Subtle movements: flickering lights, swaying signs, crowd motion paths
6. Prompt for Generative Models — A single optimized text prompt (under 200 words) for text-to-3D generation tools

Be precise with numbers. Use a consistent coordinate system (Y-up, meters). Output in structured markdown.