API Reference


getScreenSphere(worldCenternullable, worldRadiusnullable) → {Object}

Calculates what would be the position and size on the screen of a sphere in the given world-space position and radius.

Useful for sizing UI that varies its size according to the rendered size of 3D objects.

Parameters:
Name Type Attributes Description
worldCenter THREE.Vector3 <nullable>
The center of the sphere in world coordinates. If omitted, defaults to the bounds center of the current actor.
worldRadius number <nullable>
The radius of the sphere in world coordinates. If omitted, defaults to the average bounds radius of the current actor.
Returns:
The center and radius of the sphere when rendered on the screen, or null if the sphere would be offscreen (behind the camera, for instance).
Type
Object

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