Class: MathUtil ​

Built-in mathematical basic calculation factory function

Constructors ​

• constructor

Methods ​

• clampf
• normalizeAngle
• fract
• getRandDirXZ
• getRandDirXYZ
• getCycleXYZ
• angle
• angle_360
• fromToRotation
• getEularDir_yUp
• transformVector
• getRotationY

Constructors ​

constructor ​

• new MathUtil()

Methods ​

clampf ​

▸ Static clampf(value, min_inclusive, max_inclusive): number

Limit the value to a certain range

Parameters ​

Returns ​

number

Return the calculation result

Defined in ​

src/math/MathUtil.ts:107

normalizeAngle ​

▸ Static normalizeAngle(a): number

Normalize the Angle so that it is limited to the range [-180, 180]

Parameters ​

Returns ​

number

Return the processing result

Defined in ​

src/math/MathUtil.ts:121

fract ​

▸ Static fract(v): number

Returns the fractional part of a number

Parameters ​

Returns ​

number

Return the result

Defined in ​

src/math/MathUtil.ts:136

getRandDirXZ ​

▸ Static getRandDirXZ(r): Object

Generate a random pair of x and z coordinates that fall within the radius of the circle

Parameters ​

Returns ​

Object

The generated x, z results

Defined in ​

src/math/MathUtil.ts:145

getRandDirXYZ ​

▸ Static getRandDirXYZ(r): Vector3

Generate a random pair of x, y, and z coordinates that fall within the radius of the sphere

Parameters ​

Returns ​

Vector3

The Vector3 vector formed by the generated x, y, and z coordinate values

Defined in ​

src/math/MathUtil.ts:158

getCycleXYZ ​

▸ Static getCycleXYZ(r): Vector3

According to the radius, generate a random pair of x, y, z coordinates that fall within the sphere and the y value is between [-r/2, r/2]

Parameters ​

Returns ​

Vector3

The Vector3 vector formed by the generated x, y, and z coordinate values

Defined in ​

src/math/MathUtil.ts:172

angle ​

▸ Static angle(p1, p2): number

Calculate the Angle between two vectors

Parameters ​

Returns ​

number

Return the calculation result

Defined in ​

src/math/MathUtil.ts:187

angle_360 ​

▸ Static angle_360(from, to): number

Calculate the Angle between two vectors

Parameters ​

Returns ​

number

The Angle between two vectors

Defined in ​

src/math/MathUtil.ts:203

fromToRotation ​

▸ Static fromToRotation(fromDirection, toDirection, target?): Quaternion

Calculate the quaternion from one direction to the other

Version

Orillusion3D 0.5.1

Parameters ​

Returns ​

Quaternion

Quaternion The calculated quaternion returns a new instance created if target is null

Defined in ​

src/math/MathUtil.ts:232

getEularDir_yUp ​

▸ Static getEularDir_yUp(v): Vector3

Get the Eular direction

Parameters ​

Returns ​

Vector3

Return the calculation result

Defined in ​

src/math/MathUtil.ts:245

transformVector ​

▸ Static transformVector(matrix, vector, result?): Vector3

Compute the vector transformation and assign the results to the input variables

Parameters ​

Returns ​

Vector3

Returns the output vector

Defined in ​

src/math/MathUtil.ts:259

getRotationY ​

▸ getRotationY(v): number

The rotation Angle around the Y-axis is obtained from the input vector

Parameters ​

Returns ​

number

Return the calculation result

Defined in ​

src/math/MathUtil.ts:219