What is the best way/practice of creating viewport for group of meshes in three js?
In my case I have THREE.Group
of a lot THREE.Mesh
instances. My goal is to create viewport for this group, where meshes will be visible.
One solution that I see is to use local clipping planes. threejs example
But I'm concerned that I have to assign clipping planes for every THREE.Mesh
material rather than set it once for THREE.Group
.
Also I need to recalcutate clipping planes when I move or rotate THREE.Group
.
Wiew port for group of mesh in threejs
165 Views Asked by Andrii Tsarenko At
1
There are 1 best solutions below
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You could look into the stencil buffer:
webgl.stencilFunc()
webgl.stencilOp()
With or without threejs, the principle is the same.
Three.js does not have stencil abstractions unless they've been implemented recently. This means that there is no "magical" property of say
transparent
which manages a bunch of webgl state under the hood, you have to actually manage this yourself. This means that you have to get the webgl context and do webgl operations on it manually.There are many ways to do this.
I'll try to write a working example. For screen space quad you can take a look at this.