Geometry
在Getting Start時我們就已經稍微提到Geometry的相關概念了，雖然我們可以用vertices和faces建構出我們的幾何體，但我們有時候不需用這麼做。在Three.js之中就已經有提供一些基本的幾何體，如正方體、圓形、圓柱......等，大部分內容，官方的文件一看就能夠明瞭。
- BoxGeometry
- CircleGeometry
- CylinderGeometry
- DodecahedronGeometry
- ExtrudeGeometry - Creates extruded geometry from a path shape
- IcosahedronGeometry
- LatheGeometry - Class for generating meshes with axial symmetry. Possible uses include donuts, pipes, vases etc. The lathe rotate around the Y axis.
- OctahedronGeometry
- ParametricGeometry - Generate geometry representing a parametric surface.
- PlaneGeometry
- PolyhedronGeometry - A polyhedron is a solid in three dimensions with flat faces. This class will take an array of vertices, project them onto a sphere, and then divide them up to the desired level of detail. This class is used by DodecahedronGeometry, IcosahedronGeometry, OctahedronGeometry, and TetrahedronGeometry to generate their respective geometries.
- RingGeometry
- ShapeGeometry - Creates a one-sided polygonal geometry from one or more path shapes. Similar to ExtrudeGeometry
- SphereGeometry
- TetrahedronGeometry
- TextGeometry
- TorusGeometry
- TorusKnotGeometry
- TubeGeometry - Creates a tube that extrudes along a 3d curve
ExtrudeGeometry
LatheGeometry
ParametricGeometry
PolyhedronGeometry
ShapeGeometry
TubeGeometry