I used a linetrace based on player camera’s rotation, so it is not so straight angle. Maybe I can make it straight. but then the splatter’s angle won’t be align with player’s shooting angle I guess.
It needs to be aligned with the surface normal.
How I’m able to do that? if it’s not too much to ask?
Just working on an example…
actually I found a workaround:
I just used the player camera’s x and z angle, so the linetrace will produce vertical blood splatter only, then I added another decal from player and project straight down.
Now it seems pretty close to what I was looking for .
Ok cool, I’m giving it a try now.
Thank you so much for the detailed explaination for everything.
Otherwise I’m gonna living in this nightmare for a while XD
Tested, it’s been working great.
You’re awesome!
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What’s all that ‘many many spawn decal’ nodes thing, you have going on?
What are you trying to achieve, I think we can do it with one 
It’s for some reason my decal won’t fade out no matter what I try. So I set multiple ones and make them disappear in different time to get a faked fading FX. XD
btw my game is here just so if you wanna have a peek.
The environment is dark so it covers up for some flaws I’m lacking experience for.
It’s like a fading out effect, it’s been a while and I forgot the exact name of it… it should fade gradually with the proper settings. but I couldn’t get it to work, so my decals will disappear all of sudden. Then I piled multiple ones to make them disappear one by one.
yep yep
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Man, that’s exactly what I need!
I guess lacked the information or documentation, it’s not so easy to find a certain detailed answer for things like that.
Really appreciate that! 
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