вторник, 26 апреля 2016 г.

Unreal Engine Blendables Blend Weigth Tutorial


When setting up PostProcessSettings Blend Weight doesn't affect on PostProcess material appearance by default. There is two solutions.

The first is simply to create your own Blendable in c++ or Blueprint and implement desired functionality as its suggested by Epic (https://docs.unrealengine.com/latest/INT/Engine/Rendering/PostProcessEffects/Blendables/index.html)

The second is to set-up right settings in master material and material instances of PPM. I've found that Blend Weight default behaviour is performing interpolation between master and instance material parameter values. It's a key to this solution. When Developing a shader, it is necessary to pick out all parameters that changing shader appearance and set its values in master material so master material doesnt