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how to get a material to change to a specific color using booleans?

I am trying to use a boolean to get my object to change from blue to red and when hit again it changes to orange.

Use an integer instead, Start at 0, when hit add 1.

After you change and store the int, use it with a ‘Switch On Integer’ to set the new material of your actor.

If you do not want to create (and maintain) multiple materials, try a Dynamic Material Instance. In your material, *Convert *the colour (RMB on the node) to Parameter and give it a name. You will be able to change its value during runtime.

This is how you access it in your object:
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The bool can be omitted altogether, of course.

Also, more info here: