protected virtual void DrawMesh()
{
int steps = Mathf.RoundToInt(MeshDensity * VisionAngle);
float stepsAngle = VisionAngle / steps;
List <Vector3> viewPoints = new List <Vector3>();
RaycastData oldViewCast = new RaycastData();
for (int i = 0; i <= steps; i++)
{
float angle = stepsAngle * i + EulerAngles.y - VisionAngle / 2f;
RaycastData viewCast = RaycastAtAngle(angle);
if (i > 0)
{
bool thresholdExceeded = Mathf.Abs(oldViewCast.Distance - viewCast.Distance) > EdgeThreshold;
if ((oldViewCast.Hit != viewCast.Hit) ||
(oldViewCast.Hit && viewCast.Hit && thresholdExceeded))
{
MeshEdgePosition edge = FindMeshEdgePosition(oldViewCast, viewCast);
if (edge.PointA != Vector3.zero)
{
viewPoints.Add(edge.PointA);
}
if (edge.PointB != Vector3.zero)
{
viewPoints.Add(edge.PointB);
}
}
}
viewPoints.Add(viewCast.Point);
oldViewCast = viewCast;
}
int numberOfVertices = viewPoints.Count + 1;
Vector3[] vertices = new Vector3[numberOfVertices];
int[] triangles = new int[(numberOfVertices - 2) * 3];
vertices[0] = Vector3.zero + Offset;
for (int i = 0; i < numberOfVertices - 1; i++)
{
vertices[i + 1] = this.transform.InverseTransformPoint(viewPoints[i]);
if (i < numberOfVertices - 2)
{
triangles[i * 3] = 0;
triangles[i * 3 + 1] = i + 1;
triangles[i * 3 + 2] = i + 2;
}
}
_visionMesh.Clear();
_visionMesh.vertices = vertices;
_visionMesh.triangles = triangles;
_visionMesh.RecalculateNormals();
}
protected virtual void DrawMesh()
{
if (!ShouldDrawMesh)
{
return;
}
int steps = Mathf.RoundToInt(MeshDensity * VisionAngle);
float stepsAngle = VisionAngle / steps;
_viewPoints.Clear();
for (int i = 0; i <= steps; i++)
{
float angle = stepsAngle * i + EulerAngles.y - VisionAngle / 2f;
_viewCast = RaycastAtAngle(angle);
if (i > 0)
{
bool thresholdExceeded = Mathf.Abs(_oldViewCast.Distance - _viewCast.Distance) > EdgeThreshold;
if ((_oldViewCast.Hit != _viewCast.Hit) || (_oldViewCast.Hit && _viewCast.Hit && thresholdExceeded))
{
MeshEdgePosition edge = FindMeshEdgePosition(_oldViewCast, _viewCast);
if (edge.PointA != Vector3.zero)
{
_viewPoints.Add(edge.PointA);
}
if (edge.PointB != Vector3.zero)
{
_viewPoints.Add(edge.PointB);
}
}
}
_viewPoints.Add(_viewCast.Point);
_oldViewCast = _viewCast;
}
int numberOfVertices = _viewPoints.Count + 1;
if (numberOfVertices != _numberOfVerticesLastTime)
{
Array.Resize(ref _vertices, numberOfVertices);
Array.Resize(ref _triangles, (numberOfVertices - 2) * 3);
}
_vertices[0].x = 0;
_vertices[0].y = 0;
_vertices[0].z = 0;
for (int i = 0; i < numberOfVertices - 1; i++)
{
_vertices[i + 1] = this.transform.InverseTransformPoint(_viewPoints[i]);
if (i < numberOfVertices - 2)
{
_triangles[i * 3] = 0;
_triangles[i * 3 + 1] = i + 1;
_triangles[i * 3 + 2] = i + 2;
}
}
_visionMesh.Clear();
_visionMesh.vertices = _vertices;
_visionMesh.triangles = _triangles;
_visionMesh.RecalculateNormals();
_numberOfVerticesLastTime = numberOfVertices;
}
