public override void BeginApplyStroke(Ray ray)
{
RaycastHit hit;
Mesh msh = target.GetComponent <MeshFilter>().sharedMesh;
didHit = (RXLookingGlass.IntersectRayMesh(ray, msh, target.transform.localToWorldMatrix, out hit));
if (didHit)
{
var triangles = msh.triangles;
int triangle = hit.triangleIndex;
int i0 = triangles[triangle];
int i1 = triangles[triangle + 1];
int i2 = triangles[triangle + 2];
var bary = hit.barycentricCoordinate;
Matrix4x4 mtx = target.transform.worldToLocalMatrix;
normal = target.GetSafeNormal(i0) * bary.x +
target.GetSafeNormal(i1) * bary.y +
target.GetSafeNormal(i2) * bary.z;
tangent = target.GetSafeTangent(i0) * bary.x +
target.GetSafeTangent(i1) * bary.y +
target.GetSafeTangent(i2) * bary.z;
normal = mtx.MultiplyVector(mtx.MultiplyVector(normal));
Vector3 tng = new Vector3(tangent.x, tangent.y, tangent.z);
tng = mtx.MultiplyVector(mtx.MultiplyVector(tng));
tangent.x = tng.x;
tangent.y = tng.y;
tangent.z = tng.z;
}
}
public override void BeginApplyStroke(Ray ray)
{
Vector3 bary = Vector3.zero;
VertexInstanceStream stream = null;
didHit = false;
Mesh best = null;
int triangle = 0;
float distance = float.MaxValue;
if (streams != null)
{
for (int i = 0; i < streams.Length; ++i)
{
Matrix4x4 mtx = streams[i].transform.localToWorldMatrix;
Mesh msh = streams[i].GetComponent <MeshFilter>().sharedMesh;
RaycastHit hit;
RXLookingGlass.IntersectRayMesh(ray, msh, mtx, out hit);
if (hit.distance < distance)
{
distance = hit.distance;
bary = hit.barycentricCoordinate;
best = msh;
triangle = hit.triangleIndex;
stream = streams[i];
didHit = true;
}
}
}
if (didHit && best != null)
{
var triangles = best.triangles;
int i0 = triangles[triangle];
int i1 = triangles[triangle + 1];
int i2 = triangles[triangle + 2];
normal = stream.GetSafeNormal(i0) * bary.x +
stream.GetSafeNormal(i1) * bary.y +
stream.GetSafeNormal(i2) * bary.z;
tangent = stream.GetSafeTangent(i0) * bary.x +
stream.GetSafeTangent(i1) * bary.y +
stream.GetSafeTangent(i2) * bary.z;
}
}
