Heat

they lose you at the corner, never on the straight.

a dusk waterfront from above: drag the car up the avenue to the lit gate. a search cone finds you and does nothing for a moment -- stay in it and you are shoved back down the street you were climbing

A searcher can only see down a straight line. That is the whole of it: the cones sweeping this city stop dead at every wall, so the fastest way to the gate is rarely the straight one -- it is the route with a building between you and the line. Get caught and you lose the ground you just made; duck behind a wall and you keep it, which is the part of a getaway that never makes the trailer and is the only part that actually works.

Concepts: light, geometry, perception.

An interactive you play with one thumb, on Wundr.