Some questions about material plugin custom shader to change position.y

[zhangyahan]

To perpetuate the problem

Some questions about color values during canvas.toDataURL conversion to RawTexture

Now I have another problem, this may require a new topic, when I use the same material plugin to operate on the ground material, changing some of the position offset parameters shows a different effect. Can someone help me figure this out? You can swap comment lines to see the correct effect