Random UV rotation in steps (new option)

[juangea]

Right now we can randomly rotate the UV's which is great for pur randome or tileable textures, however when we have a tile texture for floors if we randomly rotate the texture we could endup with diagonal graphics in the floor, something that it's not desired.

Could be great to include a step feature, so we can say what we say right now:

• Randomly rotate from 0 to 360 degrees.

But clamp the rotation to the steps, for example:

• Randomly rotate from 0 to 360 degrees in steps of 36 degrees

This would give us 10 random rotations in a controlled angle clamping, for my tile example it would be:

• Randomly rotate from 0 to 360 degrees in steps of 90 degrees

That would give us 4 directions for each tile, like what it's done in reality, and much more control of random rotation in tiling :)

I'm not sure if this is a BlendLuxCore feature or a LuxCore feature, I'll mention both of you about this @Dade916 @Theverat :)

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[Dade916]

It is a LuxCore feature. Indeed, it is relatively easy to add.

[Dade916]

I have added the support for a new (optional) rotation step parameter to UVRandomMapping2D and LocalRandomMapping3D:

Without step:

scene.textures.imgtex.mapping.rotation = 0 360

With:

scene.textures.imgtex.mapping.rotation = 0 360 45

[juangea]

Awesome! Thanks @Dade916 , very useful addition :)