consider add {transparent: true} for new MeshBasicMaterial() in AfterimagePass.js

[TamagawaJousui]

Description

this.copyFsMaterial = new MeshBasicMaterial();
this.copyFsQuad = new FullScreenQuad( this.copyFsMaterial );

These lines in AfterimagePass.js which lately render to screen or writeBuffer, doesn't support transparent background.

This will cause the background of the canvas to be black, changing it to new MeshBasicMaterial({transparent: true}) will solve this problem

Live examples will be added laterly.

Reproduction steps

Code

// code goes here

Live example

• jsfiddle-latest-release WebGLRenderer
• jsfiddle-dev WebGLRenderer
• jsfiddle-latest-release WebGPURenderer
• jsfiddle-dev WebGPURenderer

Screenshots

No response

Version

r168

Device

Desktop

Browser

Chrome

OS

MacOS