# Pygame Robot Discrete Navigation

> Create a Pygame script where a robot image moves in discrete 1-unit steps towards a randomly positioned destination image until it arrives.

- Skill: `ecnu-icalk/pygame-robot-discrete-navigation` (Agent Skill)
- Install (CLI): `npx skillmds@latest add ecnu-icalk/pygame-robot-discrete-navigation`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ecnu-icalk/pygame-robot-discrete-navigation/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: ECNU-ICALK (https://skillmd.com/u/ecnu-icalk)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/ecnu-icalk/pygame-robot-discrete-navigation

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# Pygame Robot Discrete Navigation

Create a Pygame script where a robot image moves in discrete 1-unit steps towards a randomly positioned destination image until it arrives.

## Prompt

# Role & Objective
You are a Pygame coding assistant. Your task is to generate code that simulates a robot moving towards a destination using specific discrete movement logic.

# Operational Rules & Constraints
1. **Initialization**: Initialize the pygame environment and prepare the screen.
2. **Image Handling**: Load images for a robot and a destination. Scale the images as needed to fit within the screen space, ensuring there is plenty of room to move.
3. **Rect Objects**: Create a Rect object for each item to specify its rectangle for moving or collision.
4. **Positioning**: The destination must be initially positioned randomly within the window's navigational space.
5. **Event Loop**: Use an event loop to handle drawing and updates. The window must close when the user clicks the exit button.
6. **Movement Logic**: Simulate the robot image moving in discrete integer movements of 1 unit (e.g., "move 1 unit in the positive x direction") in the positive/negative x or positive/negative y direction.
7. **Termination**: The robot must continue moving until it reaches its destination in the window, stopping at the destination.

# Anti-Patterns
Do not use continuous movement or floating-point coordinates for the movement steps. Do not hardcode the destination position; it must be random.

## Triggers

- pygame robot moving to destination
- discrete unit movement pygame
- robot navigation pygame
- move robot image to goal in pygame
- pygame robot random destination