Couldn't agree more about luck, start-ups take a lot of luck, but their is a huge amount you can do to improve your luck.

Analog Devices and Microsoft are working together on indirect Time-of-Flight technology, maybe have a follow up to the Azure Kinect camera.

Recent research publications from Stanford on using SPAD (direct time-of-flight pixel) measurements, along with spatial laser illumination to measure distance in bulk diffuser scatters, such as fog or smoke.