The game includes over three hours of background music in MP3 format, ranging from three to eight minutes in length.
The time of the day does not affect the gameplay. Larger buildings are modeled using a hybrid approach a simple polygonal model defines the shape of the building, then textures are added to create detail such as doors, windows and rooftop clutter.Īlthough a 3D engine is used, the camera in SimCity 4 is restricted to a fixed trimetric orthographic projection for performance reasons. Small buildings and props are drawn as flat images, which are pasted onto billboards polygons with their surface normal facing into the camera. The landscape and moving props such as vehicles are modeled as fully polygonal and rotatable 3D objects. Unlike its predecessors, which used an engine based on 2D isometric graphics and sprites, SimCity 4 primarily uses a 3D engine to render its graphics.
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