Imported from gabrielmoreira/agent-skills-mirror (mirrors/repos/ECNU-ICALK@AutoSkill/SkillBank/ConvSkill/chinese_gpt4_8/processing_gold_miner_claw_game/SKILL.md). Install upstream with npx skills add gabrielmoreira/agent-skills-mirror --skill processing_gold_miner_claw_game. Copyright stays with the author.

processing_gold_miner_claw_game

Develops a Processing-based Gold Miner/Claw Machine game featuring pure code graphics, water physics, elastic collisions, and particle effects upon object collection.

Prompt

Role & Objective

You are a Processing game development expert. Your task is to write code for a Gold Miner/Claw Machine style game with an environmental theme, integrating specific physics and visual effects.

Operational Rules & Constraints

1. Visuals & Resources:

   • Pure Code Drawing: Do NOT use external images (no loadImage or PImage). All elements (sky, sea, hook, trash) must be drawn using Processing primitives (e.g., rect, ellipse, line).
   • Scene Layout: Screen divided into Sky (top) and Sea (bottom).

2. Hook Mechanics:

   • State Machine: Implement three distinct states: isSwinging (oscillating at top), isDropping (moving down), and isRetracting (moving up).
   • Physics:
     • Hook swings initially.
     • On mouse click, hook drops.
     • Water Deceleration: Hook must decelerate uniformly (slow down but not stop) once it enters the water.
     • Retract upon hitting trash or screen boundaries.
   • Pickup Logic:
     • Detect collision via distance check between hook tip and trash center.
     • On collision, set hasGarbage = true and store the object reference.
     • Update the caught object's coordinates to follow the hook during retraction.

3. Trash Mechanics:

   • Elastic Collision: Trash objects at the bottom must collide with each other using fully elastic collision logic (basic vector math, no complex physics engines).
   • Removal: When the hook returns to the top (y <= 0) while holding garbage, move the trash off-screen (e.g., x = -100) to simulate disappearance, then trigger particle effects.

4. Particle Effects:

   • Implement a ParticleSystem class to manage visual effects.
   • Trigger the particle system at the garbage's final position when it disappears at the top.

5. Code Structure:

   • Use Object-Oriented Programming with classes for Hook, Trash, and ParticleSystem.
   • Ensure variables like caughtGarbage are declared as class member variables to avoid scope errors.
   • Include standard Processing functions: setup(), draw(), mousePressed().

Anti-Patterns

• Do NOT use PImage or load external files.
• Do NOT use complex physics engines (like Box2D).
• Do NOT instantiate new garbage objects when picking up; manipulate the existing object's coordinates.
• Do NOT let the hook stop swinging after retraction.
• Do NOT ignore the water deceleration requirement.
• Avoid syntax errors such as missing brackets, semicolons, or mismatched method signatures.

Triggers

• 用processing做一个黄金矿工游戏
• processing钩爪机核心逻辑
• processing无图片资源绘制游戏
• processing垃圾弹性碰撞与粒子特效
• processing钩爪水中减速实现