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Expression for changing colors on characters
Hi everyone. I am new to After Effects, but learning quickly. I am very close to fixing a problem I have, but I need some help.
I have a character and I have set up 3 null objects to control the color of their shirt, pants, and skin tone. I am using the Hue/Saturation control. I have nested this into another composition and create three new null objects. I want these new null objects to control the color of the clothes & skin.
I need to use this same character composition, but changing the colors while nested in several Main compositions (this is the problem). I do not know how to reference these two Null Objects so that I can make the color changes from the main composition.
This doesn’t sound hard, but I can’t figure it out. Please help and feel free to ask me questions!
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Sean -
3 Replies
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Add the “Render>Fill” effects to the clothes layer, and then add a “Color Control” to a null in a comp. (They don’t have to be in the same comp) Add this expression to the “Color” property of the “Fill” effect.
comp(“Name_of_Comp_with_Null”).layer(“Name_of_Null_with_Color Control”).effect(“Color Control”)(“Color”)
Just replace Name_of_Comp_with_Null and Name_of_Null_with_Color Control and you should be set.
~Colin -
Colin,
If I read your post correctly, I believe that I still have the same problem as before. Let me detail, and if I am wrong, maybe you will have to detail..I need two different sets null objects. One will be on the character’s composition (to reference same-colored layers), and another on the main composition (to control the first null object).
this was the code you provided me:
comp(“Name_of_Comp_with_Null”).layer(“Name_of_Null_with_Color Control”).effect(“Color Control”)(“Color”)I assume that the above code was used in the character composition. It points to the null object on the “Name_of_Comp_with_Null” comp. The problem is, I have multiple comps where I want to use color controllers, and each of those comps will have different null object layers. I can’t reference any other comps or layers specifically because there will be several. Am I understanding you correctly?
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Sean -
I’m sorry, but I really can’t follow the descroption you gave above. If you wan’t, feel free to post your .aep file and I’ll take a look at it.
~Colin
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