Class MathHelper

Namespace

SampSharp.Entities

Assembly

SampSharp.OpenMp.Entities.dll

Contains commonly used pre-calculated values and mathematical operations.

public static class MathHelper

Inheritance

object

MathHelper

Inherited Members

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Fields

PiOver2

Represents the value of pi divided by two(1.57079637).

public const float PiOver2 = 1.5707964

Field Value

float

PiOver4

Represents the value of pi divided by four(0.7853982).

public const float PiOver4 = 0.7853982

Field Value

float

TwoPi

Represents the value of pi times two(6.28318548).

public const float TwoPi = 6.2831855

Field Value

float

Methods

Barycentric(float, float, float, float, float)

Returns the Cartesian coordinate for one axis of a point that is defined by a given triangle and two normalized barycentric (areal) coordinates.

public static float Barycentric(float value1, float value2, float value3, float amount1, float amount2)

Parameters

value1 float

The coordinate on one axis of vertex 1 of the defining triangle.

value2 float

The coordinate on the same axis of vertex 2 of the defining triangle.

value3 float

The coordinate on the same axis of vertex 3 of the defining triangle.

amount1 float

The normalized barycentric (areal) coordinate b2, equal to the weighting factor for vertex 2, the coordinate of which is specified in value2.

amount2 float

The normalized barycentric (areal) coordinate b3, equal to the weighting factor for vertex 3, the coordinate of which is specified in value3.

Returns

float

Cartesian coordinate of the specified point with respect to the axis being used.

CatmullRom(float, float, float, float, float)

Performs a Catmull-Rom interpolation using the specified positions.

public static float CatmullRom(float value1, float value2, float value3, float value4, float amount)

Parameters

value1 float

The first position in the interpolation.

value2 float

The second position in the interpolation.

value3 float

The third position in the interpolation.

value4 float

The fourth position in the interpolation.

amount float

Weighting factor.

Returns

float

A position that is the result of the Catmull-Rom interpolation.

CreateQuaternionFromYawPitchRoll(Vector3)

Converts the specified vector containing roll, pitch and yaw in radians to a quaternion.

public static Quaternion CreateQuaternionFromYawPitchRoll(Vector3 rollPitchYaw)

Parameters

rollPitchYaw Vector3

The vector containing roll, pitch and yaw in radians.

Returns

Quaternion

The quaternion.

CreateYawPitchRollFromQuaternion(Quaternion)

Gets the yaw, pitch and roll in radians from the specified quat.

public static Vector3 CreateYawPitchRollFromQuaternion(Quaternion quat)

Parameters

quat Quaternion

The quaternion

Returns

Vector3

A vector containing the roll, pitch and yaw components in radians.

Distance(float, float)

Calculates the absolute value of the difference of two values.

public static float Distance(float value1, float value2)

Parameters

value1 float

Source value.

value2 float

Source value.

Returns

float

Distance between the two values.

GetZAngleFromRotationMatrix(Matrix4x4)

Gets the Z angle of the specified rotationMatrix.

public static float GetZAngleFromRotationMatrix(Matrix4x4 rotationMatrix)

Parameters

rotationMatrix Matrix4x4

The rotation matrix to the Z angle of.

Returns

float

The Z angle.

Hermite(float, float, float, float, float)

Performs a Hermite spline interpolation.

public static float Hermite(float value1, float tangent1, float value2, float tangent2, float amount)

Parameters

value1 float

Source position.

tangent1 float

Source tangent.

value2 float

Source position.

tangent2 float

Source tangent.

amount float

Weighting factor.

Returns

float

The result of the Hermite spline interpolation.

IsPowerOfTwo(int)

Determines if value is powered by two.

public static bool IsPowerOfTwo(int value)

Parameters

value int

A value.

Returns

bool

true if value is powered by two; otherwise, false.

SmoothStep(float, float, float)

Interpolates between two values using a cubic equation.

public static float SmoothStep(float value1, float value2, float amount)

Parameters

value1 float

Source value.

value2 float

Source value.

amount float

Weighting value.

Returns

float

Interpolated value.

WrapAngle(float)

Reduces a given angle to a value between π and -π.

public static float WrapAngle(float angle)

Parameters

angle float

The angle to reduce, in radians.

Returns

float

The new angle, in radians.