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title: Mood Engine
emoji: 🎭
colorFrom: purple
colorTo: blue
sdk: static
pinned: false
short_description: "Full emotion system with personality presets"
tags:
- reachy_mini
- reachy_mini_python_app
---
# Mood Engine 🎭🤖
Full emotion state machine for Reachy Mini with 6 base emotions, compound emotions, personality presets, micro-expressions, mood decay, and configurable web UI.
## Emotions
**Base:** neutral, happy, sad, curious, surprised, angry
**Compound:** bittersweet, awestruck, nervous, frustrated, intrigued, content
## Personality Presets
| Personality | Style |
|------------|-------|
| 🐱 Shy | Subtle movements, slow transitions |
| 🦁 Bold | Exaggerated movements, fast transitions |
| 🐒 Playful | Bouncy movements, quick changes |
## Features
- Smooth emotion transitions with natural durations
- Micro-expressions (random subtle twitches every 3-8s)
- Mood decay toward neutral over time
- Emotion memory (history of transitions)
- Compound emotions via blending
- Personality modifiers affect intensity, speed, and idle behavior
- REST API for control
## API (port 8042)
```bash
# Set emotion
curl -X POST http://localhost:8042/emotion -H "Content-Type: application/json" -d '{"emotion": "happy", "intensity": 0.8}'
# Set compound emotion
curl -X POST http://localhost:8042/emotion -d '{"emotion": "awestruck"}'
# Change personality
curl -X POST http://localhost:8042/personality -d '{"personality": "playful"}'
# Get current state
curl http://localhost:8042/state
```
## Requirements
- `numpy`
## Install & Run
```bash
pip install .
reachy-mini run mood_engine
```
|