Three.js: Transparent background for background elements and png particles

I'm struggling with making the background invisible and setting the alpha channel on my particles.

I was hoping to use your example script wegl_particles_sprite for the Christmas season. I adjusted it to fit my needs by placing it in a fullscreen div in the foreground. I managed to make it unclickable so that users can still navigate my website. However, I encountered an issue with setting PNG alpha channels to transparent even with transparent=true;.

Initially, I was able to set the background to transparent successfully:

renderer = new THREE.WebGLRenderer( { clearAlpha: 1, alpha:true } );

But I'm facing difficulty loading snowflakes with transparent alpha channels. Can anyone assist me in creating the Christmas magic I envision?

Edit: Apologies for the typo, the problem persists with the particles.

javascriptthree.js

Answer №1

Is it not supposed to be 

renderer = new THREE.WebGLRenderer( { clearAlpha: 1, alpha:true } );

Answer №2

Which type of material was utilized for creating the snowflakes? Here is a potentially helpful resource:

You may need to implement something along the lines of

material.transparent = true;
material.blending = THREE.AdditiveAlphaBlending;

Answer №3

Success at last! By using the code provided along with a png image featuring a transparent background, everything finally fell into place. The results can be seen at:

Feel free to check out the code at [http://jsfiddle.net/ketzylcoatl/3b75p/5/] and have fun with it!

Thank you all and have a fantastic New Year!

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