Isometric Object Sprites
Use when generating isolated isometric props (trees, rocks, bushes, stumps) that drop cleanly onto tiles with correct scale and a transparent background.
Install
$ agentstack add skill-0xheycat-isometric-game-skills-isometric-object-sprites ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-0xheycat-isometric-game-skills-isometric-object-sprites) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
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Isometric Object Sprites
Overview
Objects are sprites that sit ON tiles, not tiles themselves. They must be isolated on a plain background, share one scale, and have a defined ground-anchor so depth sorting works later. This skill produces clean, consistent props.
When to Use
- You need trees, rocks, bushes, fences, or other decorative props.
- Props look different sizes or styles when placed together.
- You need transparent, drop-in-ready object sprites.
Process
- Confirm art direction is locked (see
isometric-art-direction). - Prompt ONE object per image, isolated on a plain flat background, with a soft contact shadow.
- Keep the surface/style phrase SHORT - long prompts add unwanted props and edges.
- Use a FIXED seed and identical settings across the whole object set for scale consistency.
- Generate, then send to
transparent-cutout-cleanupfor clean alpha edges. - Define the ground-anchor (bottom-center of the footprint) for each sprite.
- Place 3 objects on a test tile to confirm scale and anchor before scaling up.
Prompt template:
single isometric [object], 2:1 isometric view, soft painterly shading,
simple clean composition, isolated on plain flat background, soft contact shadow,
game asset, high qualityRationalizations (Stop Lying to Yourself)
| Excuse | Reality | |---|---| | "I can generate several objects in one image to save time" | Then you cannot place them individually and scales drift. One object per image. | | "Scale looks close enough" | Close enough reads as broken in-game. Fix the seed and settings. |
Red Flags - STOP if you catch yourself:
- Multiple objects crammed into one generation.
- Inconsistent scale across the prop set.
- Leftover background fringe because cleanup was skipped.
Verification
You are NOT done until every box is checked:
- [ ] Each prop is a single isolated sprite with transparent background.
- [ ] All props share one scale and style.
- [ ] Each sprite has a defined ground-anchor and passes a placement test.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: 0xheycat
- Source: 0xheycat/isometric-game-skills
- License: MIT
- Homepage: https://0xheycat.github.io/isometric-game-skills/demo/
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.