Class: Geometry

Geometry

new Geometry(params)

geometry/Geometry.js, line 49

几何体

Name Type Description
params object optional

初始化参数，所有params都会复制到实例上
Example
const geometry = new Hilo3d.Geometry();
geometry.addFace([-0.5, -0.289, 0], [0.5, -0.289, 0], [0, 0.577, 0]);

Members Show Inherited

Name Type Default Description
isGeometry boolean true
className string Geometry
vertices GeometryData null

顶点数据
uvs GeometryData null

uv 数据
uvs1 GeometryData null

uv1 数据
colors GeometryData null

color 数据
indices GeometryData null

顶点索引数据
skinIndices GeometryData null

骨骼索引
skinWeights GeometryData null

骨骼权重数据
mode number TRIANGLES

绘制模式
isStatic Boolean true

是否是静态
isDirty Boolean true

是否需要更新
useAABBRaycast Boolean

使用 aabb 碰撞检测
userData any null

用户数据
id string

id
normals GeometryData null

法向量数据，如果没有的话会自动生成
tangents GeometryData null

切线向量数据，如果没有的话会自动生成
tangents1 GeometryData null

切线向量数据，如果没有的话会自动生成

Methods Show Inherited

convertToLinesMode()

geometry/Geometry.js, line 329

将三角形模式转换为线框模式，即 Material 中的 wireframe

translate(x, y, z){Geometry}

geometry/Geometry.js, line 359

平移

Name Type Default Description
x Number 0 optional
y Number 0 optional
z Number 0 optional
Returns:
Type Description
Geometry this

scale(x, y, z){Geometry}

geometry/Geometry.js, line 370

缩放

Name Type Default Description
x Number 1 optional
y Number 1 optional
z Number 1 optional
Returns:
Type Description
Geometry this

rotate(x, y, z){Geometry}

geometry/Geometry.js, line 381

旋转

Name Type Default Description
x Number 0 optional

旋转角度x
y Number 0 optional

旋转角度y
z Number 0 optional

旋转角度z
Returns:
Type Description
Geometry this

transformMat4(mat4){Geometry}

geometry/Geometry.js, line 394

Transforms the geometry with a mat4.

Name Type Description
mat4 Matrix4
Returns:
Type Description
Geometry this

merge(geometry, matrix){Geometry}

geometry/Geometry.js, line 426

合并两个 geometry

Name Type Default Description
geometry Geometry
matrix Matrix4 null optional

合并的矩阵
Returns:
Type Description
Geometry this

addPoints(points)

geometry/Geometry.js, line 497

添加顶点

Name Type Description
points Array.<number> repeatable

顶点坐标，如 addPoints([x, y, z], [x, y, z])

addIndices(indices)

geometry/Geometry.js, line 515

添加顶点索引

Name Type Description
indices number repeatable

顶点索引，如 addIndices(0, 1, 2)

addLine(p1, p2)

geometry/Geometry.js, line 531

添加一条线

Name Type Description
p1 Array.<number>

起点坐标，如 [x, y, z]
p2 Array.<number>

终点坐标

addFace(p1, p2, p3)

geometry/Geometry.js, line 541

添加一个三角形 ABC

Name Type Description
p1 Array.<number>

点A，如 [x, y, z]
p2 Array.<number>

点B
p3 Array.<number>

点C

addRect(p1, p2, p3, p4)

geometry/Geometry.js, line 552

添加一个矩形 ABCD

Name Type Description
p1 Array.<number>

点A，如 [x, y, z]
p2 Array.<number>

点B
p3 Array.<number>

点C
p4 Array.<number>

点D

setVertexUV(start, uvs)

geometry/Geometry.js, line 562

设置顶点对应的uv坐标

Name Type Description
start number

开始的顶点索引
uvs Array.<Array.<number>>

uv坐标数据，如 [[0, 0], [1, 0]]

setFaceUV(start, p1, p2, p3)

geometry/Geometry.js, line 577

设置三角形ABC的uv

Name Type Description
start number

开始的顶点索引
p1 Array.<number>

点A的uv，如 [0, 0]
p2 Array.<number>

点B的uv
p3 Array.<number>

点C的uv

setRectUV(start, p1, p2, p3, p4)

geometry/Geometry.js, line 588

设置矩形ABCD的uv

Name Type Description
start number

开始的顶点索引
p1 Array.<number>

点A的uv，如 [0, 0]
p2 Array.<number>

点B的uv
p3 Array.<number>

点C的uv
p4 Array.<number>

点D的uv

getBounds(matrix, bounds){Bounds}

geometry/Geometry.js, line 598

获取指定matrix变化后的包围盒数据

Name Type Default Description
matrix Matrix4 null optional

matrix 需要变换的矩阵
bounds Bounds null optional

包围盒数据，传入的话会改变他
Returns:
Type Description
Bounds 包围盒数据

getLocalBounds(force){Bounds}

geometry/Geometry.js, line 641

获取本地包围盒

Name Type Default Description
force Boolean false optional

是否强制刷新
Returns:
Type Description
Bounds

getSphereBounds(matrix){Sphere}

geometry/Geometry.js, line 652

获取球面包围盒

Name Type Description
matrix Matrix4
Returns:
Type Description
Sphere

getLocalSphereBounds(force){Sphere}

geometry/Geometry.js, line 668

获取本地球面包围盒

Name Type Default Description
force Boolean false optional

是否强制刷新
Returns:
Type Description
Sphere

convertToNoIndices(verticesItemLen)

geometry/Geometry.js, line 689

将 Geometry 转换成无 indices

Name Type Default Description
verticesItemLen number 3 optional

转换结果的顶点数据的位数(3 or 4)，如果为4会补1

clone(){Geometry}

geometry/Geometry.js, line 743

clone当前Geometry

Returns:
Type Description
Geometry 返回clone的Geometry

_aabbRaycast(ray){Array.<Vector3>|null}

geometry/Geometry.js, line 798

检测 aabb 碰撞

Name Type Description
ray Ray
Returns:
Type Description
Array.<Vector3> | null

_raycast(ray, side){Array.<Vector3>|null}

geometry/Geometry.js, line 817

_raycast，子类可覆盖实现

Name Type Description
ray Ray
side GLenum
Returns:
Type Description
Array.<Vector3> | null

raycast(ray, side, sort){Array.<Vector3>|null}

geometry/Geometry.js, line 882

raycast

Name Type Default Description
ray Ray
side GLenum
sort Boolean true optional

是否按距离排序
Returns:
Type Description
Array.<Vector3> | null

getSize(){number}

geometry/Geometry.js, line 941

获取数据的内存大小，只处理顶点数据，单位为字节

Returns:
Type Description
number 内存占用大小

destroy(){Geometry}

geometry/Geometry.js, line 954
Deprecated
  • Yes
Returns:
Type Description
Geometry this