tyFlow LiDAR Scanner Tutorial with Splines & Particles in 3Ds Max

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In this tyFlow tutorial in 3Ds Max, we're using the Position Raycast operator and tySplines to setup a "lidar 3D scanner" effect.

This setup can be used for any iPhone Face ID animation - style effect, interior scanning, robot / terminator vision, intricate object / product animation reveals, Prometheus cave scanning thingy (I know you know what I'm talking about) and much more.

0:00 Intro and final result
0:18 add tyIcon helper
0:50 tyflow start
1:28 Object bind operator
1:43 position raycast operator
3:09 spline paths

We start this new tyflow tutorial by generating some particles on top of a tyIcon, then spawn children particles and tell them to look for obstacles in their path using the position raycast operator, which essentially acts as a light source emitting rays. We then connect the children particles to their parents using tyflow splines, and a self-illuminated vray light material completes the effect. We're also using object bind operator to make the particles stick to geometry and a scale operator with a small interpolation value to make them gradually scale down and disappear over time.

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