Is it feasible to render only the portion of Object 2 that hides Object 1?
I am attempting to replicate the CanvasRenderingComposite destination-in effect in a 3D environment using THREEjs, essentially utilizing Object 1 as a mask.
Is it feasible to render only the portion of Object 2 that hides Object 1?
I am attempting to replicate the CanvasRenderingComposite destination-in effect in a 3D environment using THREEjs, essentially utilizing Object 1 as a mask.
It seems like you are interested in modifying the Material.depthFunc
attribute. By default, it is configured as LessEqualDepth
, as explained in the documentation:
LessEqualDepth
is the default setting and will evaluate to true if the incoming pixel Z-depth is less than or equal to the current buffer Z-depth.
To achieve a different result, you can consider using either GreaterEqualDepth
or GreaterDepth
:
GreaterEqualDepth
will evaluate to true if the incoming pixel Z-depth is greater than or equal to the current buffer Z-depth.
You should be able to achieve your desired outcome by utilizing:
object2.material.depthFunc = THREE.GreaterEqualDepth;
, or setting this option during material creation.
If you wish to explore other depthFunction possibilities, refer to the Materials constants page and navigate to the "Depth Mode" section.
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