Saturday, September 15, 2018

Week4 - Lego Project continued

I cleaned up my arch from last week with help from Alex and made some more variations.



Here are all the variants:




After creating these, I was tasked with building the wall section. I started by creating a kit in Maya, collecting and altering some pieces. I will be building the entire wall section in Maya. Then grouping all the pieces and exporting as an FBX.



Here is the final wall created in Maya through the kit. It is a 90% accurate replica of the leftmost wall found on this model:




Here it is in Unreal Engine, through the use of a Blueprint (Each piece is still individual but they are grouped as one and as a result can be textured individually in engine). This also allows for resizing should scale change.




Following this, I went back into Maya to clean up the 'scene' a little by removing some polys from pieces that aren't fully visible in the wall (The cylindrical pegs are around 280poly each).

Tris count for the entire scene before clean: 191k



Tris count after: 126k. No visible difference between the two and there is no point in having the Lego brick pegs showing on pieces that are going to be stacked and static.

 

Because the wall scene is so big, I created a custom LOD for the majority of the wall. This removed around 60k tris.



The only issue is that I would not be able to preserve some of the detail. So I would need to bake the high poly onto the low. But that is something for another day. Another issue is setting up the LOD using blueprints in Unreal.

So the idea is that the LOD would be for the entire scene rather than each individual piece. I have yet to get it to work.

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