Blur shadow of directional light depending on position

i know blur shadow of directional light is affected with light position like this

position vector.x is 5

position vector.x is 50

i want to know how to affect same blur intensity on the ground regardless of light position

it is babylon playground url above screen shot

ping @Evgeni_Popov and @sebavan

I don’t think you can do anything about that, it’s how the filtering technic works.

You can try other technics (PCF, PCSS, …) and see if it’s better for you.