PT multi-new driver feedback

v1.5.0 Key Changes:

• NPC (nonplayer characters, aka AI, aka robots) system in the City grid scene

  • Added 3,000 pedestrians in walkable areas, mainly sidewalks, and crosswalks.

  • Pedestrian optimization - Nearby pedestrians are made visible and distant pedestrians are removed from camera rendering to improve performance.

• How they work:

  • Pedestrians have a simple life, they will walk at a constant speed chasing a waypoint, yet never really finding it!

  • Their brains are limited yet capable of avoiding cars

  • If a car is in their path on the way to the waypoint, they will move to avoid it (cars currently don't offer the same respect)

• Next Steps:

  • Give cars a smarter brain, so they don't run over pedestrians.

  • We are currently developing a system to inform cars (and school buses) that a Pedestrian is near, to allow them to proactively adapt.

  • Add a behavior rule for pedestrians to not walk through crosswalks with the light on green.

  • Develop a system to randomly adjust human shapes, skin color, age, size, etc.

• Notes:

  • v1 of improved pedestrian AI system, based on PTs feedback request

  • very much a WIP

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