Vertices can be shared between surfaces in the same object.Ī surface normal specifies the direction a surface is facing. Each vertex referenced in a surface has anassociated Texture Coordinate. Surfaces have a material attribute, which defines the color and quality (for lighting purposes). It is more efficient to draw single sided surfaces and makes more sense when used as part of an object such as a sphere (where you cant see the otherside of the surfaces). Two-sided surfaces will be visible from bothsides. If a surface is set to be single-sided, it will only be visible from the front. The type of a surface defines how the surfaceis drawn and this can be easily changed. Surfaces are one of three types polygons, lines or polygon outlines. SurfaceA surface in AC3D is a sequence of vertices. A vertex is usually part of one or more Surfaces, but need not be. A vertex isalways owned by a single object they cannot be shared between objects. More than one vertex can occupy the same position in 3d space. Its specified by three coordinates x, y and z. It is used to create 3D models for simulations, games, rendering ray-traced images andfor scientific and general data visualization.ĪC3D runs on a wide range of standard hardware and is available across a number of popular platforms.Ī vertex is a single point in 3d space. Welcome to AC3DAC3D is designed to make the construction of 3D objects fast and easy. 3D Manual file:///C:/ProgramFiles/AC3D 6.8.14/manual/main.ht
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