How do I detect and collect an object?

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:bust_in_silhouette: Asked By lalel345

I have a 3d project and I want to create a point on the screen so that it detects when it is over an object and catch it.
How do I do this and what nodes do I need?

:bust_in_silhouette: Reply From: mdubaisi

you can watch these tutorials for collecting coins by BornCG
part 1:
part 2: