from what i have read, for texture coordinate origin starts from the upper left-hand corner.from left to right, u scales from 0 to 1 and v from top to bottom. now for any texture if i add lets say 0.2 to u, it should shift to right cuz u scales 0-1 from left to right but is shifts to left. Why?

You didn’t exactly specify the coordinate of V, so I am assuming that it is still 0 and you are not going to be to compress U into V.

yes but the point here is that the uv coordinates are shifting exactly opposite to what i was expecting

in the texture coords upper left hand corner is 0,0 and u scales from 0 to 1 horizontally from top left to top right corner and v scales 0 to 1 from top left to bottom left.

Because in Unreal, it is inverted, so you will have to use either a multiple node with another constant 2 vector node (with -1,1 to inverted back) or a divide uv and a multiple node to do the same thing.

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