playcanvas / playcanvas/engine

White outline on black tiled sprites in editor and runtime

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#4,330 3 comments 0 reactions 0 assignees View on GitHub

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area: graphics
Dominant language
JavaScript
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Description

Description

Tested on 2560x1440
Demo project: https://playcanvas.com/editor/scene/1448233

Steps to Reproduce
  1. Add sprite with dark color side, make it tiled
  2. Add it to the scene, increase width or height. Depends on the dark color side
  3. Move camera in an editor or in a runtime
  4. White line blinks

image

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked demo project and reproduce the blinking white line using a dark-sided tiled sprite while moving the camera in the editor and runtime. Trace the tiled sprite rendering path from that reproduction; done means the white outline no longer appears in either context.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
computer-graphics
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

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