private static Vector4 CompleteTriJob(TriJobHandle handle)
{
handle.handle.Complete();
handle.vertices.Dispose();
handle.triangles.Dispose();
return(new Vector4(triangleHitPoint.x, triangleHitPoint.y, triangleHitPoint.z, closestTriID));
}
/// <summary>
///
/// </summary>
/// <param name="meshVertices"></param>
/// <param name="meshTriangles"></param>
/// <param name="meshTransform"></param>
/// <param name="camera"></param>
/// <param name="mouseDir"></param>
/// <returns> x,y,z: hit point world position; w: fisrt vertex id in hit triangle</returns>
internal static Vector4 GetNeatestTriHitByMouseRay(Vector3[] meshVertices, int[] meshTriangles, Matrix4x4 meshTransform, Camera camera, Vector3 mouseDir)
{
TriJobHandle newResultAndHandle = new TriJobHandle();
ScheduleTriJob(ref newResultAndHandle, meshVertices, meshTriangles, meshTransform, camera, mouseDir);
return(CompleteTriJob(newResultAndHandle));
}
private static void ScheduleTriJob(ref TriJobHandle handle, Vector3[] meshVertices, int[] meshTriangles, Matrix4x4 meshTransform, Camera camera, Vector3 mouseDir)
{
handle.vertices = new NativeArray <Vector3>(array: meshVertices, allocator: Allocator.TempJob);
handle.triangles = new NativeArray <int>(array: meshTriangles, allocator: Allocator.TempJob);
closestTriDistance = 40000;
closestTriID = -1;
FindClosestTriangleJob newJob = new FindClosestTriangleJob
{
vertices = handle.vertices,
triangles = handle.triangles,
cameraPos = camera.transform.position,
mouseDir = mouseDir,
localToWorldMat = meshTransform,
};
handle.handle = newJob.Schedule(meshTriangles.Length / 3, 16);
}
