Class MathUtils

Inheritance
Object
MathUtils
Inherited Members
Namespace: UnityEditor
Assembly: UnityEditor.dll
Syntax
public class MathUtils

Methods

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ClosestPtRaySphere(Ray, Vector3, Single, ref Single, ref Vector3)

Declaration
public static bool ClosestPtRaySphere(Ray ray, Vector3 sphereOrigin, float sphereRadius, ref float t, ref Vector3 q)
Parameters
Type Name Description
Ray ray
Vector3 sphereOrigin
Single sphereRadius
Single t
Vector3 q
Returns
Type Description
Boolean
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ClosestPtSegmentRay(Vector3, Vector3, Ray, out Single, out Single, out Vector3)

Declaration
public static Vector3 ClosestPtSegmentRay(Vector3 p1, Vector3 q1, Ray ray, out float squaredDist, out float s, out Vector3 closestRay)
Parameters
Type Name Description
Vector3 p1
Vector3 q1
Ray ray
Single squaredDist
Single s
Vector3 closestRay
Returns
Type Description
Vector3
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Ease(Single, Single, Single)

Smooths the input parameter t. If less than k1 ir greater than k2, it uses a sin. Between k1 and k2 it uses linear interp.

Declaration
public static float Ease(float t, float k1, float k2)
Parameters
Type Name Description
Single t
Single k1
Single k2
Returns
Type Description
Single
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GetQuatConjugate(Quaternion)

Declaration
public static Quaternion GetQuatConjugate(Quaternion q)
Parameters
Type Name Description
Quaternion q
Returns
Type Description
Quaternion
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GetQuatExp(Quaternion)

Declaration
public static Quaternion GetQuatExp(Quaternion q)
Parameters
Type Name Description
Quaternion q
Returns
Type Description
Quaternion
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GetQuatLength(Quaternion)

Declaration
public static float GetQuatLength(Quaternion q)
Parameters
Type Name Description
Quaternion q
Returns
Type Description
Single
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GetQuatLog(Quaternion)

Logarithm of a unit quaternion. The result is not necessary a unit quaternion.

Declaration
public static Quaternion GetQuatLog(Quaternion q)
Parameters
Type Name Description
Quaternion q
Returns
Type Description
Quaternion
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GetQuatSquad(Single, Quaternion, Quaternion, Quaternion, Quaternion)

SQUAD Spherical Quadrangle interpolation [Shoe87]

Declaration
public static Quaternion GetQuatSquad(float t, Quaternion q0, Quaternion q1, Quaternion a0, Quaternion a1)
Parameters
Type Name Description
Single t
Quaternion q0
Quaternion q1
Quaternion a0
Quaternion a1
Returns
Type Description
Quaternion
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GetSquadIntermediate(Quaternion, Quaternion, Quaternion)

Declaration
public static Quaternion GetSquadIntermediate(Quaternion q0, Quaternion q1, Quaternion q2)
Parameters
Type Name Description
Quaternion q0
Quaternion q1
Quaternion q2
Returns
Type Description
Quaternion
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IntersectRaySphere(Ray, Vector3, Single, ref Single, ref Vector3)

Declaration
public static bool IntersectRaySphere(Ray ray, Vector3 sphereOrigin, float sphereRadius, ref float t, ref Vector3 q)
Parameters
Type Name Description
Ray ray
Vector3 sphereOrigin
Single sphereRadius
Single t
Vector3 q
Returns
Type Description
Boolean
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IntersectRayTriangle(Ray, Vector3, Vector3, Vector3, Boolean)

Declaration
public static object IntersectRayTriangle(Ray ray, Vector3 v0, Vector3 v1, Vector3 v2, bool bidirectional)
Parameters
Type Name Description
Ray ray
Vector3 v0
Vector3 v1
Vector3 v2
Boolean bidirectional
Returns
Type Description
Object
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OrthogonalizeMatrix(Matrix4x4)

Declaration
public static Matrix4x4 OrthogonalizeMatrix(Matrix4x4 m)
Parameters
Type Name Description
Matrix4x4 m
Returns
Type Description
Matrix4x4
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QuaternionFromMatrix(Matrix4x4)

Declaration
public static Quaternion QuaternionFromMatrix(Matrix4x4 m)
Parameters
Type Name Description
Matrix4x4 m
Returns
Type Description
Quaternion
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QuaternionNormalize(ref Quaternion)

Declaration
public static void QuaternionNormalize(ref Quaternion q)
Parameters
Type Name Description
Quaternion q
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Slerp(Quaternion, Quaternion, Single)

We need this because Quaternion.Slerp always uses the shortest arc.

Declaration
public static Quaternion Slerp(Quaternion p, Quaternion q, float t)
Parameters
Type Name Description
Quaternion p
Quaternion q
Single t
Returns
Type Description
Quaternion

Extension Methods