B&B Engine

Studio

Model Open a .glb from this device

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Animation

Time Speed Camera

Collision boxes

Review

Name Add a part

Parts

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Open parts

To use it in the game: put the .glb in public/models, name it in prefabs.json, then npm run validate checks its size, triangles and footprint.

World

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Drag a building to move it, drag empty ground to pan, wheel to zoom. The layout checks run after every change. Save downloads the world file: put it in public/worlds (this is the only place it changes; nothing is written to the game until you do).

Time of day Weather

Wet ground Snow cover Haze Shadows

A pond beside the model

Radius Depth Clarity

Turn the rain and snow up in the Sky tab to see rings on the water and the pond freeze over.

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Resolution

Surface detail