#Class: AABBUtils

对 AABB 对象执行操作的实用工具类。所有方法均为静态方法，且不会修改输入对象。

Utilities operating on AABB objects. All methods are static and do not modify the input objects.

#Properties

#EPSILON

static EPSILON: number

EPSILON

内部 epsilon 值，用于确定有效性以及设置方块体积容差。

The internal epsilon value that determines validity and used for block volume tolerance.

#Methods

#createFromCornerPoints()

static createFromCornerPoints(pointA, pointB): AABB

createFromCornerPoints

根据定义其角点的点获取 AABB，点的顺序不限。

Gets an AABB from points defining it's corners, the order doesn't matter.

#Parameters

#pointA

Vector3

第一个角点。

The first corner point.

#pointB

Vector3

第二个角点。

The second corner point.

#Returns

AABB

• 生成的 AABB。

The resulting AABB.

#Throws

AABBInvalidExtentError This exception is thrown if the resulting AABB is invalid.

---

#dilate()

static dilate(aabb, size): AABB

dilate

根据源 AABB 和膨胀向量创建膨胀后的 AABB。

Creates a dilated AABB given a source AABB and dilation vector.

#Parameters

#aabb

AABB

源 AABB。

The source AABB.

#size

Vector3

要加到 AABB 范围上的膨胀向量。

The dilation vector to add to the AABBs extent.

#Returns

AABB

• 膨胀后的 AABB。

The resulting dilated AABB.

#Throws

AABBInvalidExtentError This exception is thrown if the input AABB is invalid.

---

#equals()

static equals(aabb, other): boolean

equals

比较两个 AABB 是否相等。

Compares the equality of two AABBs.

#Parameters

#aabb

AABB

用于比较的第一个 AABB。

The first AABB in the comparison.

#other

AABB

用于比较的第二个 AABB。

The second AABB in the comparison.

#Returns

boolean

• 如果两个 AABB 的中心点和范围均相等，则为 true。

True if the center and extent of both AABBs are equal.

#Throws

AABBInvalidExtentError This exception is thrown if either of the input AABBs are invalid.

---

#expand()

static expand(aabb, other): AABB

expand

根据两个源 AABB 创建扩展后的 AABB。

Creates an expanded AABB given two source AABBs.

#Parameters

#aabb

AABB

第一个源 AABB。

The first source AABB.

#other

AABB

第二个源 AABB。

The second source AABB.

#Returns

AABB

• 扩展后的 AABB。

The resulting expanded AABB.

#Throws

AABBInvalidExtentError This exception is thrown if either of the input AABBs are invalid.

---

#getBlockVolume()

static getBlockVolume(aabb): BlockVolume

getBlockVolume

创建包含源 AABB 全部范围的最小 BlockVolume。

Creates the smallest BlockVolume that includes all of a source AABB.

#Parameters

#aabb

AABB

源 AABB。

The source AABB.

#Returns

BlockVolume

• 包含源 AABB 的 BlockVolume。

The BlockVolume containing the source AABB.

#Throws

AABBInvalidExtentError This exception is thrown if the input AABB is invalid.

---

#getIntersection()

static getIntersection(aabb, other): any

getIntersection

创建两个源 AABB 相交区域的 AABB。

Creates an AABB of the intersecting area of two source AABBs.

#Parameters

#aabb

AABB

第一个源 AABB。

The first source AABB.

#other

AABB

第二个源 AABB。

The second source AABB.

#Returns

any

• 如果两个 AABB 相交，则返回相交区域的 AABB；否则返回 undefined。

The resulting intersecting AABB if they intersect, otherwise returns undefined.

#Throws

AABBInvalidExtentError This exception is thrown if either of the input AABBs are invalid.

---

#getMax()

static getMax(aabb): Vector3

getMax

获取 AABB 的最大角点。

Gets the maximum corner of an AABB.

#Parameters

#aabb

AABB

要获取最大角点的 AABB。

The AABB to retrieve the maximum corner of.

#Returns

Vector3

• AABB 的最大角点。

The maximum corner of the AABB.

#Throws

AABBInvalidExtentError This exception is thrown if the input AABB is invalid.

---

#getMin()

static getMin(aabb): Vector3

getMin

获取 AABB 的最小角点。

Gets the minimum corner of an AABB.

#Parameters

#aabb

AABB

要获取最小角点的 AABB。

The AABB to retrieve the minimum corner of.

#Returns

Vector3

• AABB 的最小角点。

The minimum corner of the AABB.

#Throws

AABBInvalidExtentError This exception is thrown if the input AABB is invalid.

---

#getSpan()

static getSpan(aabb): Vector3

getSpan

获取 AABB 的跨度。

Gets the span of an AABB.

#Parameters

#aabb

AABB

要获取跨度的 AABB。

The AABB to retrieve the span of.

#Returns

Vector3

• AABB 的跨度。

The span of the AABB.

#Throws

AABBInvalidExtentError This exception is thrown if the input AABB is invalid.

---

#intersects()

static intersects(aabb, other): boolean

intersects

计算两个 AABB 是否相交。

Calculates if two AABBs are intersecting.

#Parameters

#aabb

AABB

第一个 AABB。

The first AABB.

#other

AABB

第二个 AABB。

The second AABB.

#Returns

boolean

• 如果两个 AABB 相交，则为 true；否则为 false。

True if the AABBs are intersecting, otherwise false.

#Throws

AABBInvalidExtentError This exception is thrown if either of the input AABBs are invalid.

---

#isInside()

static isInside(aabb, pos): boolean

isInside

计算某个位置是否位于 AABB 内部。

Calculates if a position is inside of an AABB.

#Parameters

#aabb

AABB

用于测试的 AABB。

The AABB to test against.

#pos

Vector3

要测试的位置。

The position to test.

#Returns

boolean

如果位置位于 AABB 内部，则为 true；否则返回 false。

True if the position is inside of the AABB, otherwise returns false.

#Throws

AABBInvalidExtentError This exception is thrown if the input AABB is invalid.

---

#isValid()

static isValid(aabb): boolean

isValid

确定 AABB 是否在所有轴上都具有非零范围。

Determines if the AABB has non-zero extent on all axes.

#Parameters

#aabb

AABB

要测试有效性的 AABB。

The AABB to test for validity.

#Returns

boolean

• 如果所有范围轴均非零，则为 true；否则为 false。

True if all extent axes are non-zero, otherwise false.

---

#throwErrorIfInvalid()

static throwErrorIfInvalid(aabb): void

throwErrorIfInvalid

如果 AABB 无效，则抛出错误。

Throws an error if the AABB is invalid.

#Parameters

#aabb

AABB

要测试有效性的 AABB。

The AABB to test for validity.

#Returns

void

#Throws

AABBInvalidExtentError This exception is thrown if the input AABB is invalid.

---

#translate()

static translate(aabb, delta): AABB

translate

根据源 AABB 和平移向量创建平移后的 AABB。

Creates a translated AABB given a source AABB and translation vector.

#Parameters

#aabb

AABB

源 AABB。

The source AABB.

#delta

Vector3

要加到 AABB 中心点上的平移向量。

The translation vector to add to the AABBs center.

#Returns

AABB

• 平移后的 AABB。

The resulting translated AABB.

#Throws

AABBInvalidExtentError This exception is thrown if the input AABB is invalid.