Three.js API手册

动画
AnimationAction AnimationClip AnimationMixer AnimationObjectGroup AnimationUtils KeyframeTrack PropertyBinding PropertyMixer
动画 / 轨道
BooleanKeyframeTrack ColorKeyframeTrack NumberKeyframeTrack QuaternionKeyframeTrack StringKeyframeTrack VectorKeyframeTrack
音频
Audio AudioAnalyser AudioContext AudioListener PositionalAudio
摄像机
ArrayCamera Camera CubeCamera OrthographicCamera PerspectiveCamera StereoCamera
常量
Animation Core CustomBlendingEquation DrawModes Materials Renderer Textures
核心
BufferAttribute BufferGeometry Clock DirectGeometry EventDispatcher Face3 Geometry InstancedBufferAttribute InstancedBufferGeometry InstancedInterleavedBuffer InterleavedBuffer InterleavedBufferAttribute Layers Object3D Raycaster Uniform
核心 / BufferAttributes
BufferAttribute_Types
弃用列表
DeprecatedList
附件
Earcut ShapeUtils
附件 / 核心
Curve CurvePath Font Interpolations Path Shape ShapePath
附件 / 曲线
ArcCurve CatmullRomCurve3 CubicBezierCurve CubicBezierCurve3 EllipseCurve LineCurve LineCurve3 QuadraticBezierCurve QuadraticBezierCurve3 SplineCurve
附件 / 物体
ImmediateRenderObject
几何体
BoxBufferGeometry BoxGeometry CircleBufferGeometry CircleGeometry ConeBufferGeometry ConeGeometry CylinderBufferGeometry CylinderGeometry DodecahedronBufferGeometry DodecahedronGeometry EdgesGeometry ExtrudeBufferGeometry ExtrudeGeometry IcosahedronBufferGeometry IcosahedronGeometry LatheBufferGeometry LatheGeometry OctahedronBufferGeometry OctahedronGeometry ParametricBufferGeometry ParametricGeometry PlaneBufferGeometry PlaneGeometry PolyhedronBufferGeometry PolyhedronGeometry RingBufferGeometry RingGeometry ShapeBufferGeometry ShapeGeometry SphereBufferGeometry SphereGeometry TetrahedronBufferGeometry TetrahedronGeometry TextBufferGeometry TextGeometry TorusBufferGeometry TorusGeometry TorusKnotBufferGeometry TorusKnotGeometry TubeBufferGeometry TubeGeometry WireframeGeometry
辅助对象
ArrowHelper AxesHelper BoxHelper Box3Helper CameraHelper DirectionalLightHelper FaceNormalsHelper GridHelper PolarGridHelper PositionalAudioHelper HemisphereLightHelper PlaneHelper PointLightHelper RectAreaLightHelper SkeletonHelper SpotLightHelper VertexNormalsHelper
灯光
AmbientLight DirectionalLight HemisphereLight Light PointLight RectAreaLight SpotLight
灯光 / 阴影
DirectionalLightShadow LightShadow SpotLightShadow
加载器
AnimationLoader AudioLoader BufferGeometryLoader Cache CompressedTextureLoader CubeTextureLoader DataTextureLoader FileLoader FontLoader ImageBitmapLoader ImageLoader Loader LoaderUtils MaterialLoader ObjectLoader TextureLoader
加载器 / 管理器
DefaultLoadingManager LoadingManager
材质
LineBasicMaterial LineDashedMaterial Material MeshBasicMaterial MeshDepthMaterial MeshDistanceMaterial MeshLambertMaterial MeshMatcapMaterial MeshNormalMaterial MeshPhongMaterial MeshPhysicalMaterial MeshStandardMaterial MeshToonMaterial PointsMaterial RawShaderMaterial ShaderMaterial ShadowMaterial SpriteMaterial
数学库
Box2 Box3 Color Cylindrical Euler Frustum Interpolant Line3 Math Matrix3 Matrix4 Plane Quaternion Ray Sphere Spherical Triangle Vector2 Vector3 Vector4
数学库 / 插值
CubicInterpolant DiscreteInterpolant LinearInterpolant QuaternionLinearInterpolant
物体
Bone Group Line LineLoop LineSegments LOD Mesh Points Skeleton SkinnedMesh Sprite
渲染器
WebGLMultisampleRenderTarget WebGLRenderer WebGLRenderTarget WebGLRenderTargetCube
渲染器 / 着色器
ShaderChunk ShaderLib UniformsLib UniformsUtils
场景
Fog FogExp2 Scene
纹理贴图
CanvasTexture CompressedTexture CubeTexture DataTexture DataTexture3D DepthTexture Texture VideoTexture
  1. 全部教程
  2. Three.js API手册
  3. Three.js API手册
  4. ArcCurve

弧线（ArcCurve）

EllipseCurve的别名

属性

请参阅EllipseCurve来了解共有属性。

# .isArcCurve : Boolean

用于检查该类或者其派生类是否为ArcCurves（弧线）。默认值为true。

你不应当对这一属性进行改变，它在内部使用，以用于优化。

源代码

src/extras/curves/ArcCurve.js