Physics Demo Nuts and Bolts

Overview

Experiment with the real-time, scalable simulation of objects with arbitrary collision shapes.

This demo demonstrates hundreds of nuts threading gracefully onto bolts.

The feature leverages signed distance field (SDF) collision detection and the compute power of NVIDIA RTX GPUs to resolve millions of contacts between high-detail models in real-time.

Parameters

Parameter	Description
Number of nuts and bolts (parameter on startup)	Defines the number of nuts and bolts to simulate in the demo
Friction	Sets the friction between the nuts and bolts (Lower friction results in faster threading.)

Controls

Reference #	Control	Shortcut	Description
1	Physics Interaction Mode	I, then click and drag a nut	Spins the nut further onto the bolt
2	Home	H	Returns the Viewport camera to the scene’s point of origin
3	Orbit	Alt + Left Mouse Button	Rotates the Viewport camera around a given point
4	Play	Space (while paused)	Plays the animation
5	Pause	Space (while playing)	Pauses the animation
6	Restart	N/A	Restarts the animation