kiwon wrote:

> Thanks! This helped me so much. Then, this is also quite tricky to present
> smooth change between dry and wet area. One simple idea might be putting many
> discrete levels such as [0 t_dry] [0.2 t_wet1] [0.4 t_wet2] ...
> Is there better way for this?

If wet_map.png contains intermediate values and not just two
states like 0 and 255 for wet and dry, the texture map should
already interpolate the textures for you. Of course, the other
question is whether the average of dry and 100% wet is a good
texture for 50% wet. If this is not the case, you will need
to define individual textures.

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