Paper2d custom material translucency issues

Hello, i’m using Paper2d to make a mobile game and i’m having issues with my sprites.
When i tap on a sprite it should increase in size and fade out. Now the normal MaskedUnlitSpriteMaterial that Paper2d uses for sprites doesn’t support fading out so i made my own. It works, but there is an issue when the sprite covers other sprites as shown in the image below.

13760-material.png

ps. The red “laser” line uses the same custom material, couldn’t get the transparency to work otherwise.

ps2. All sprite textures are tga files made in paint.net.

I’m pretty sure i’m doing it wrong, but what?

I’m trying to do a fade on a sprite as well - did you create the fade function in code or blueprint?