barycentricCoordinate

Definition

• Type: Property
• Namespace: UnityEngine
• Assembly: UnityEngine.PhysicsModule

public Vector3 barycentricCoordinate { get; set; }

Remarks

Examples

using UnityEngine;public class Example : MonoBehaviour{    // Attach this script to a camera and it will    // draw a debug line pointing outward from the normal    void Update()    {        // Only if we hit something, do we continue        RaycastHit hit;        if (!Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out hit))        {            return;        }        // Just in case, also make sure the collider also has a renderer        // material and texture        MeshCollider meshCollider = hit.collider as MeshCollider;        if (meshCollider == null || meshCollider.sharedMesh == null)        {            return;        }        Mesh mesh = meshCollider.sharedMesh;        Vector3[] normals = mesh.normals;        int[] triangles = mesh.triangles;        // Extract local space normals of the triangle we hit        Vector3 n0 = normals[triangles[hit.triangleIndex * 3 + 0]];        Vector3 n1 = normals[triangles[hit.triangleIndex * 3 + 1]];        Vector3 n2 = normals[triangles[hit.triangleIndex * 3 + 2]];        // interpolate using the barycentric coordinate of the hitpoint        Vector3 baryCenter = hit.barycentricCoordinate;        // Use barycentric coordinate to interpolate normal        Vector3 interpolatedNormal = n0 * baryCenter.x + n1 * baryCenter.y + n2 * baryCenter.z;        // normalize the interpolated normal        interpolatedNormal = interpolatedNormal.normalized;        // Transform local space normals to world space        Transform hitTransform = hit.collider.transform;        interpolatedNormal = hitTransform.TransformDirection(interpolatedNormal);        // Display with Debug.DrawLine        Debug.DrawRay(hit.point, interpolatedNormal);    }}