Creating a mesh parallel to the xy-plane in Three.js

Looking to brush up on my CG fundamentals. How can I create a mesh (such as a circle) that is perfectly parallel to the xy-plane in the direction the camera is facing?

For instance, I want it to be normal to the direction the camera is facing and not tilted towards the camera.

circleMesh.lookAt(camera.position);

Answer №1

Scenario

When you execute the code below:
mesh.quaternion.copy( camera.quaternion );

the mesh will adjust its orientation so that its local z-axis aligns with the local z-axis of the camera.

This operation assumes that both the mesh and the camera do not have a rotated parent.

Implemented in three.js version r.84

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