Simple screen space blur powered outline shader for three.js
Using separate render target and full screen pass for drawing selection on top of last rendered frame
Usage
// create selection support object
const selection = new ThreeSelection();
// add any object3d from your scene to selection
selection.addToSelection(object3d);
// remove object3d from selection
removeFromSelection(object3d);
// add object if not exist in selection and remove otherwise
toggleSelected(object3d);
// check object in selection
contains(object3d);
// clear selection
selection.clearSelection();
// render selection (must be called after your scene is rendered)
selection.renderSelection(renderer, scene, camera);
Result:
