# ARGetHitTestNormalY

## Description

Returns the Y component of the normal of the given hit test result in 3D space. Hit test results are ordered with the closest first, starting at index 1. For planes on the ground the normal will point straight up in 3D space, for points detected on walls or other objects the normal will point away from the detected surface.

## Definition

float ARGetHitTestNormalY( index )

float agk::ARGetHitTestNormalY( int index )

## Parameters

- index - The index of the hit test result to check, starting with index 1.