HitTesterHitTest(Ray, PositionNormalTextureVertex, Int32, Int32, Int32, Boolean, Boolean, Single) Method

public static RayHitTestResult? HitTest(
	 in Ray? localRay,
	PositionNormalTextureVertex[]? vertexBufferArray,
	int[]? indexBufferArray,
	int startTriangleIndicesIndex,
	int triangleIndicesCount,
	bool hitOnlyFrontFacingTriangles,
	bool getOnlyNextHitTest,
	float zeroTolerance = 1E-07f
)

Parameters

localRay  Ray

ray transformed to local coordinate system

vertexBufferArray  PositionNormalTextureVertex

vertex buffer as array of PositionNormalTexture

indexBufferArray  Int32

index buffer

startTriangleIndicesIndex  Int32

index in the TriangleIndices array where the hit testing will begin

triangleIndicesCount  Int32

number of TriangleIndices that will be checked

hitOnlyFrontFacingTriangles  Boolean

When true then only triangles that have normals (calculated from triangle positions) oriented in the opposite direction as the ray are returned (because ray is usually created from the camera's position this returns only triangles that are facing the camera).

getOnlyNextHitTest  Boolean

when true, then the next hit result is returned; when false all hit results are get and only the closest to the ray origin is returned.

zeroTolerance  Single  (Optional)

optional float that defines the zero tolerance - if value is smaller that this value, then it is considered zero. It is recommended that this value is based on the mesh's size. Default value is 1e-7.

Return Value

Reference