Class ShapeUtility

Helper class for finding intersection between 2d geometry shapes.

Inheritance

System.Object

ShapeUtility

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: ProjectDawn.Geometry3D

Assembly: ProjectDawn.Geometry.dll

Syntax

public static class ShapeUtility

Methods

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IntersectionLineAndTriangle(Line, Triangle, out float3)

Returns true if line intersects triangle.

Declaration

public static bool IntersectionLineAndTriangle(Line line, Triangle triangle, out float3 point)

Parameters

Type	Name	Description
Line	line	Line.
Triangle	triangle	Triangle.
Unity.Mathematics.float3	point	Intersection point.

Returns

Type	Description
System.Boolean	Returns true if line intersects triangle.

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IntersectionRayAndTriangle(Ray, Triangle, out Single)

Returns true if ray intersects triangle. Based on https://en.wikipedia.org/wiki/M%C3%B6ller%E2%80%93Trumbore_intersection_algorithm.

Declaration

public static bool IntersectionRayAndTriangle(Ray ray, Triangle triangle, out float t)

Parameters

Type	Name	Description
Ray	ray	Ray.
Triangle	triangle	Triangle.
System.Single	t	Intersection time.

Returns

Type	Description
System.Boolean	Returns true if ray intersects triangle.

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IntersectionRayAndTriangularSurface<T>(Ray, TriangularSurface<T>, out SurfacePointIntersection)

Returns true if ray intersects surface.

Declaration

public static bool IntersectionRayAndTriangularSurface<T>(Ray ray, TriangularSurface<T> surface, out SurfacePointIntersection intersection)
    where T : struct, ITransformFloat3

Parameters

Type	Name	Description
Ray	ray	Ray.
TriangularSurface<T>	surface	Surface.
SurfacePointIntersection	intersection	Intersection data.

Returns

Type	Description
System.Boolean	Returns true if ray intersects surface.

Type Parameters

Name	Description
T

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IntersectionTriangleAndTriangle(Triangle, Triangle, out Line)

Returns true if triangles intersect.

Declaration

public static bool IntersectionTriangleAndTriangle(Triangle a, Triangle b, out Line line)

Parameters

Type	Name	Description
Triangle	a	First triangle.
Triangle	b	Second triangle.
Line	line	Intersection line.

Returns

Type	Description
System.Boolean	Returns true if triangles intersect.

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IntersectionTriangularSurfaceAndTriangularSurface<T>(TriangularSurface<T>, TriangularSurface<T>, NativeList<SurfaceLineIntersection>)

Returns surfaces intersections.

Declaration

public static void IntersectionTriangularSurfaceAndTriangularSurface<T>(TriangularSurface<T> a, TriangularSurface<T> b, NativeList<SurfaceLineIntersection> intersections)
    where T : struct, ITransformFloat3

Parameters

Type	Name	Description
TriangularSurface<T>	a	TriangularSurface A.
TriangularSurface<T>	b	TriangularSurface B.
Unity.Collections.NativeList<SurfaceLineIntersection>	intersections	Intersection data.

Type Parameters

Name	Description
T

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OverlapBoxAndBox(Box, Box)

Returns true if shapes surfaces overlap.

Declaration

public static bool OverlapBoxAndBox(Box a, Box b)

Parameters

Type	Name	Description
Box	a
Box	b

Returns

Type	Description
System.Boolean

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OverlapBoxAndBox(Box, Box, float4x4)

Declaration

public static bool OverlapBoxAndBox(Box boxA, Box boxB, float4x4 boxBTransform)

Parameters

Type	Name	Description
Box	boxA
Box	boxB
Unity.Mathematics.float4x4	boxBTransform

Returns

Type	Description
System.Boolean

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OverlapBoxAndPoint(Box, float3)

Returns true if shapes surfaces overlap.

Declaration

public static bool OverlapBoxAndPoint(Box box, float3 point)

Parameters

Type	Name	Description
Box	box
Unity.Mathematics.float3	point

Returns

Type	Description
System.Boolean

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OverlapBoxAndSphere(Box, Sphere)

Returns true if shapes surfaces overlap.

Declaration

public static bool OverlapBoxAndSphere(Box box, Sphere sphere)

Parameters

Type	Name	Description
Box	box
Sphere	sphere

Returns

Type	Description
System.Boolean

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OverlapBoxAndTriangle(Box, Triangle)

Declaration

public static bool OverlapBoxAndTriangle(Box box, Triangle triangle)

Parameters

Type	Name	Description
Box	box
Triangle	triangle

Returns

Type	Description
System.Boolean

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OverlapCapsuleAndBox(Capsule, Box)

Returns true if shapes surfaces overlap.

Declaration

public static bool OverlapCapsuleAndBox(Capsule a, Box b)

Parameters

Type	Name	Description
Capsule	a
Box	b

Returns

Type	Description
System.Boolean

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OverlapCapsuleAndCapsule(Capsule, Capsule)

Returns true if shapes surfaces overlap.

Declaration

public static bool OverlapCapsuleAndCapsule(Capsule a, Capsule b)

Parameters

Type	Name	Description
Capsule	a
Capsule	b

Returns

Type	Description
System.Boolean

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OverlapCapsuleAndLine(Capsule, Line)

Returns true if shapes surfaces overlap.

Declaration

public static bool OverlapCapsuleAndLine(Capsule a, Line b)

Parameters

Type	Name	Description
Capsule	a
Line	b

Returns

Type	Description
System.Boolean

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OverlapCapsuleAndPoint(Capsule, float3)

Returns true if shapes surfaces overlap.

Declaration

public static bool OverlapCapsuleAndPoint(Capsule a, float3 b)

Parameters

Type	Name	Description
Capsule	a
Unity.Mathematics.float3	b

Returns

Type	Description
System.Boolean

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OverlapCapsuleAndSphere(Capsule, Sphere)

Returns true if shapes surfaces overlap.

Declaration

public static bool OverlapCapsuleAndSphere(Capsule a, Sphere b)

Parameters

Type	Name	Description
Capsule	a
Sphere	b

Returns

Type	Description
System.Boolean

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OverlapPlaneAndBox(Plane, Box)

Returns true if shapes surfaces overlap.

Declaration

public static bool OverlapPlaneAndBox(Plane plane, Box box)

Parameters

Type	Name	Description
Plane	plane
Box	box

Returns

Type	Description
System.Boolean

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OverlapSphereAndPoint(Sphere, float3)

Returns true if shapes surfaces overlap.

Declaration

public static bool OverlapSphereAndPoint(Sphere sphere, float3 point)

Parameters

Type	Name	Description
Sphere	sphere
Unity.Mathematics.float3	point

Returns

Type	Description
System.Boolean

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OverlapSphereAndSphere(Sphere, Sphere)

Returns true if shapes surfaces overlap.

Declaration

public static bool OverlapSphereAndSphere(Sphere a, Sphere b)

Parameters

Type	Name	Description
Sphere	a
Sphere	b

Returns

Type	Description
System.Boolean