After loading individual STL structures into my 3-D viewer using three.js, I would like the ability to click on each structure and have a name tag appear when hovering over it.
I believe this functionality may be related to the coordinate point of the object or possibly the total surface area. Utilizing an onMouseClick eventHandler might be a solution, but I am uncertain.
Are there any sample codes or open source resources available that demonstrate this feature?
Thank you!!
If you're looking for examples of collision detection, be sure to check out the various demos in the examples folder. One particularly useful example is webgl_interactive_cubes.html, which can be found here:
By exploring these examples, you'll learn how to determine which element is located behind the mouse cursor.
For a deeper understanding of object picking in three.js, I have written a tutorial that delves into the internal workings of the process:
Once you have obtained the mouse position from the mousemove or mouseclick event, simply create a span or similar element and position it using CSS's left and top properties accordingly.
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