Threejs, ground drawing, what shape

Issue

This Content is from Stack Overflow. Question asked by john-jones

I am making an animation in the Threejs Javascript library.

I want to draw a ground.

Probably using a 2d array where each point represents the elevation at that location.
I could then iterate through it do draw the planes between them.

But I can’t find a shape that fits this purpose. There is plane but its just a 2d shape, with x,y, width and height. I can’t use that to draw between the lines for i need to change it in the third dimension.

There is box, but that’s just a box with x,y,width and height. I can’t use that to connect a plane between those four points.

I’ve been looking at some hedrons but its not clear how they are to be used and how they would fit this purpose.

How should I paint a ground with varying elevations?
Which shape is best to use?



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