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How can i change material color of multiple objects inside blueprint?

I'm spawning a grid inside my level https://i.imgur.com/LrMcZo2.png

Then im creating onHit event for every static mesh created by macro. https://i.imgur.com/DswKFnm.png

Now every player have assigned different color (e.g. player1 : blue, p2: red etc.), so instead of duplicating same material over and over for X colors i want to assign base color based on player color.

As you can see in BP screenshoot i want to replace 'set material' with something that will allow me to change base color of material. I know i can achieve that by using 'set vector paremeter value' , but i dont know how to exactly create dynamic material instance and then call onHit to change color of exact object that character just hit.

Product Version: UE 4.18
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asked Apr 17 '18 at 09:27 PM in Blueprint Scripting

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You were on the right track with Dyanmic Material Instance. If you create a dynamic material instance in the construction script with a material instance that has exposed parameters for the values you want to change.

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Then you can simply change the parameter whenever you want, even lerp it if necessary.

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createinstance.png (65.2 kB)
setcolour.png (61.4 kB)
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answered Apr 17 '18 at 09:53 PM

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avatar image Tafonath Apr 18 '18 at 03:36 PM

Yes, i knew about it, but since it's not a single mesh but grid of meshes i couldnt figure it out. What I've done is upon construct every instance is added to array, then on component hit I search through array of meshes (also created in construction script) to get index, and i use this index to get exact tile from grid and set it color with vector paramter value.



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