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pixijs-scene-container

Manage PixiJS v8 Container children, transforms, render order, and lifecycle.

16|8|Updated May 20, 2020
Search Tags:#lifecycle events#pixijs#render performance#scene graph#container transforms#zIndex sorting#bounds and coordinates
One-click install
npx skills add https://github.com/encounterplus/web-client --skill pixijs-scene-container-encounterplus
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: pixijs-scene-container
Source: https://github.com/encounterplus/web-client/tree/main/.agents/skills/pixijs-scene-container
Command: npx skills add https://github.com/encounterplus/web-client --skill pixijs-scene-container-encounterplus

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

It helps you correctly group, position, and render PixiJS v8 display objects by using Containers as the scene-graph building block for transforms, ordering, bounds, and lifecycle.

Core Features & Use Cases

  • Hierarchical grouping: Build scene subtrees by adding/removing children while keeping transforms consistent across the branch.
  • Precise transform control: Use position, scale, rotation, pivot, origin, skew, alpha, tint, and blend behavior for whole subtrees.
  • Render ordering & bounds: Manage zIndex with sortableChildren, compute getBounds(), and convert coordinates with toGlobal/toLocal.
  • Performance-aware behavior: Use isRenderGroup, culling options, and boundsArea to reduce per-frame overhead for large scenes.
  • Lifecycle & events: Handle childAdded/childRemoved and container destroyed cleanup without relying on deprecated leaf-child patterns.

Quick Start

Create a PixiJS Container with sortableChildren enabled, add your sprite children, set a pivot/origin for rotation, then add the container to app.stage.

Frequently Asked Questions about pixijs-scene-container

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I group and transform display objects in a PixiJS scene graph?▼

Group and transform display objects in a PixiJS scene graph by using Containers as building blocks to manage children, position, scale, rotation, and alpha for entire subtrees. This maintains transform consistency across the scene branch.

How do I sort render order by zIndex in PixiJS v8?▼

Sort render order by zIndex in PixiJS v8 by enabling sortableChildren on a Container. This allows you to manage the rendering sequence of child display objects explicitly within the scene graph.

How do I convert local coordinates to global coordinates in PixiJS?▼

Convert local coordinates to global coordinates in PixiJS using the toGlobal method, or reverse the conversion using toLocal. You can also compute precise spatial dimensions using the getBounds method.

Can I optimize PixiJS render performance for large scenes?▼

Optimize PixiJS render performance for large scenes by using isRenderGroup, culling options, and boundsArea. These Container configurations reduce per-frame overhead during real-time rendering pipelines.

How do I handle cleanup and lifecycle events for PixiJS Containers?▼

Handle cleanup and lifecycle events for PixiJS Containers by using childAdded and childRemoved events, alongside safe destroy semantics. This ensures proper removal without relying on deprecated leaf-child patterns.

What is the best way to configure PixiJS Container properties dynamically?▼

Configure PixiJS Container properties dynamically using ContainerOptions-driven configuration. This approach applies position, pivot, origin, skew, tint, and blend behavior to whole subtrees for precise transform control.

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