How to create a see-through background using three.js

I am new to working with three.js and recently came across a codepen that caught my attention. However, I am facing difficulties while trying to change the background color.

After exploring various questions related to this issue, I attempted to add { alpha: true} to the 

renderer = new THREE.WebGLRenderer();
as suggested in this post: Transparent background with three.js

My objective is to achieve a transparent background for the 

<div class="page-content"></div>
element. Any assistance will be greatly appreciated!

You can find the codepen here: https://codepen.io/ramsaylanier/pen/raybzy

javascriptcssanimationthree.js

Answer №1

It seems like a few key components are missing from the code:

  1. Make sure to include alpha: true in the scene settings.
  2. Avoid altering setClearColor.
  3. If you're utilizing EffectComposer, additional steps are required to maintain a transparent background. Refer to these insights for more information: How do I stop EffectComposer from destroying my transparent background?

For troubleshooting purposes, try starting with renderer.render( scene, camera ) before transitioning to composer.render(). This will help ensure that the initial setup is functioning correctly.

Answer №2

initialize THREE.WebGLRenderer({ canvas: canvas,

 preserveDrawingBuffer: true,  // enables canvas.toBlob()

alpha:true,   // provides transparent background for png

})

Answer №3

If the issue persists even after following the steps outlined in this guide, double check that you are not altering the scene's background.

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