three.js - Lighting up object on mouse over -

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i'm trying highlight meshes (animated characters etc) in game on mouse-over event. have multiple textures , skin.

i thought wrap them shadermaterial , on hit-test change uniforms brighten fragment shader.

to this, can somehow manipulate regular shading? can mix multiple materials, making shader take color values standard shader , tweak them? or need whole separate render pass , blend composer?

or maybe else entirely, ambient light applied 1 object/shader?

thanks suggestions.

repost, see comments details/discussion:

"you change whole material/shader on mouse over, although guess performance intensive, depending on number of switches user , rest of app doing. used once emissive color of regular phong material material.emissive.setrgb() example. give nice effects, too".


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