void OnSceneGUI()
{
FOW fow = (FOW)target;
Handles.color = Color.white;
Vector3 viewAngleL = fow.DirFromAngle(-fow.viewAngle / 2, false);
Vector3 viewAngleR = fow.DirFromAngle(fow.viewAngle / 2, false);
Handles.DrawWireArc(fow.transform.position, Vector3.up, viewAngleL, fow.viewAngle, fow.viewRadius);
Handles.DrawLine(fow.transform.position, fow.transform.position + viewAngleL * fow.viewRadius);
Handles.DrawLine(fow.transform.position, fow.transform.position + viewAngleR * fow.viewRadius);
Handles.color = Color.red;
foreach (Vector3 r in fow.rays)
{
Handles.DrawLine(fow.transform.position, fow.transform.position + r);
}
}
//Creamos un cono de visión, obviamos los objetos que se interponen en el raycast desde la posición del enemigo hacia su frente
void MakeMesh()
{
stepCount = Mathf.RoundToInt(fow.viewAngle * meshRes);
float stepAngle = fow.viewAngle / stepCount;
List <Vector3> viewVertex = new List <Vector3>();
hit = new RaycastHit2D();
for (int i = 0; i <= stepCount; i++)
{
float angle = fow.transform.eulerAngles.y - fow.viewAngle / 2 + stepAngle * i;
Vector3 dir = fow.DirFromAngle(angle, false);
hit = Physics2D.Raycast(fow.transform.position, dir, fow.viewRadius, fow.obstacleMask);
//Se añadirá colisión con objeto si el raycast se encuentra algún obstáculo
if (hit.collider == null)
{
viewVertex.Add(transform.position + dir.normalized * fow.viewRadius);
}
else
{
viewVertex.Add(transform.position + dir.normalized * hit.distance);
}
}
//Con los vértices obtenidos en el raycast creamos nuestra malla
int vertexCount = viewVertex.Count + 1;
vertices = new Vector3[vertexCount];
triangles = new int[(vertexCount - 2) * 3];
vertices[0] = Vector3.zero;
for (int i = 0; i < vertexCount - 1; i++)
{
vertices[i + 1] = transform.InverseTransformPoint(viewVertex[i]);
if (i < vertexCount - 2)
{
triangles[i * 3 + 2] = 0;
triangles[i * 3 + 1] = i + 1;
triangles[i * 3] = i + 2;
}
}
mesh.Clear();
mesh.vertices = vertices;
mesh.triangles = triangles;
mesh.RecalculateNormals();
}
void MakeMesh()
{
stepCount = Mathf.RoundToInt(fov.viewAngle * meshRes);
float stepAngle = fov.viewAngle / stepCount;
List <Vector3> viewVertex = new List <Vector3>();
hit = new RaycastHit2D();
for (int i = 0; i < stepCount; i++)
{
float angle = fov.transform.eulerAngles.y - fov.viewAngle / 2 + stepAngle * i;
Vector3 dir = fov.DirFromAngle(angle, false);
hit = Physics2D.Raycast(fov.transform.position, dir, fov.viewRadius, fov.ObstacleMask);
if (hit.collider == null)
{
viewVertex.Add(transform.position + dir.normalized * fov.viewRadius);
}
else
{
viewVertex.Add(transform.position + dir.normalized * hit.distance);
}
}
int vertexCount = viewVertex.Count + 1;
vertex = new Vector3[vertexCount];
triangles = new int[(vertexCount - 2) * 3];
vertex[0] = Vector3.zero;
for (int i = 0; i < vertexCount - 1; i++)
{
vertex[i + 1] = transform.InverseTransformPoint(viewVertex[i]);
if (i < vertexCount - 2)
{
triangles[i * 3 + 2] = 0;
triangles[i * 3 + 1] = i + 1;
triangles[i * 3] = i + 2;
}
}
mesh.Clear();
mesh.vertices = vertex;
mesh.triangles = triangles;
mesh.RecalculateNormals();
}