Class PrimitiveMesh

Create a Mesh of Simple Geometry.

Hierarchy

PrimitiveMesh

Index

Constructors

Methods

_generateIndices _initialize createCuboid createPlane createSphereByParamEquation createSphereBySliceTetrahedron subdivide

Constructors

constructor

new PrimitiveMesh(): PrimitiveMesh
Returns PrimitiveMesh

Methods

`Static` `Private` _generateIndices

_generateIndices(engine: Engine, vertexCount: number, indexCount: number): Uint16Array | Uint32Array
Parameters
- engine: Engine
- vertexCount: number
- indexCount: number
Returns Uint16Array | Uint32Array
- Defined in core/mesh/PrimitiveMesh.ts:356

`Static` `Private` _initialize

_initialize(mesh: ModelMesh, positions: Vector3[], normals: Vector3[], uvs: Vector2[], indices: Uint16Array | Uint32Array): void
According a series of data ti initialize mesh
Parameters
- mesh: ModelMesh
  
  object's mesh
- positions: Vector3[]
  
  object's position array
- normals: Vector3[]
  
  object's normals array
- uvs: Vector2[]
- indices: Uint16Array | Uint32Array
  
  object's indices array
Returns void
- Defined in core/mesh/PrimitiveMesh.ts:338

`Static` createCuboid

createCuboid(engine: Engine, width?: number, height?: number, depth?: number): ModelMesh
Create a cuboid mesh.

Returns
Cuboid model mesh
Parameters
- engine: Engine
- width: number = 1
  
  Cuboid width
- height: number = 1
  
  Cuboid height
- depth: number = 1
  
  Cuboid depth
Returns ModelMesh
- Defined in core/mesh/PrimitiveMesh.ts:16

`Static` createPlane

createPlane(engine: Engine, width?: number, height?: number, horizontalSegments?: number, verticalSegments?: number, noLongerAccessible?: boolean): ModelMesh
Returns
Plane mesh
Parameters
- engine: Engine
  
  Engine
- width: number = 1
  
  Plane width
- height: number = 1
  
  Plane height
- horizontalSegments: number = 1
  
  Plane horizontal segments
- verticalSegments: number = 1
  
  Plane vertical segments
- noLongerAccessible: boolean = true
  
  Accessible
Returns ModelMesh
- Defined in core/mesh/PrimitiveMesh.ts:236

`Static` createSphereByParamEquation

createSphereByParamEquation(engine: Engine, radius?: number, segments?: number): ModelMesh
Create a sphere mesh.

Returns
Sphere model mesh
Parameters
- engine: Engine
  
  Engine
- radius: number = 0.5
  
  Sphere radius
- segments: number = 18
  
  Number of segments
Returns ModelMesh
- Defined in core/mesh/PrimitiveMesh.ts:166

`Static` createSphereBySliceTetrahedron

createSphereBySliceTetrahedron(engine: Engine, level?: number): ModelMesh
Returns
球网格实例
Parameters
- engine: Engine
  
  引擎实例
- level: number = 0
  
  正四面体递归切分等级
Returns ModelMesh
- Defined in core/mesh/PrimitiveMesh.ts:133

`Static` subdivide

subdivide(positions: Vector3[], indices: number[], triangle: [number, number, number], level?: number): void
Parameters
- positions: Vector3[]
- indices: number[]
- triangle: [number, number, number]
- level: number = 0
Returns void
- Defined in core/mesh/PrimitiveMesh.ts:301

Class PrimitiveMesh

Hierarchy

Index

Constructors

Methods

Constructors

constructor

Returns PrimitiveMesh

Methods

Static Private _generateIndices

Parameters

engine: Engine

vertexCount: number

indexCount: number

Returns Uint16Array | Uint32Array

Static Private _initialize

Parameters

mesh: ModelMesh

positions: Vector3[]

normals: Vector3[]

uvs: Vector2[]

indices: Uint16Array | Uint32Array

Returns void

Static createCuboid

Returns

Parameters

engine: Engine

width: number = 1

height: number = 1

depth: number = 1

Returns ModelMesh

Static createPlane

Returns

Parameters

engine: Engine

width: number = 1

height: number = 1

horizontalSegments: number = 1

verticalSegments: number = 1

noLongerAccessible: boolean = true

Returns ModelMesh

Static createSphereByParamEquation

Returns

Parameters

engine: Engine

radius: number = 0.5

segments: number = 18

Returns ModelMesh

Static createSphereBySliceTetrahedron

Returns

Parameters

engine: Engine

level: number = 0

Returns ModelMesh

Static subdivide

Parameters

positions: Vector3[]

indices: number[]

triangle: [number, number, number]

level: number = 0

Returns void

Settings

Member Visibility

Theme

`Static` `Private` _generateIndices

`Static` `Private` _initialize

`Static` createCuboid

`Static` createPlane

`Static` createSphereByParamEquation

`Static` createSphereBySliceTetrahedron

`Static` subdivide