private Mesh DrawMeshFromData(MaskMeshData _data)
{
var mesh = new Mesh();
if (_data.m_datas.Count < 2)
{
return(null);
}
var nbOfTriangles = (_data.m_datas.Count - 1) * 2;
var nbOfVertices = nbOfTriangles * 3;
var vertices = new Vector3[nbOfVertices];
var relativeRotation = Quaternion.Inverse(Quaternion.LookRotation(transform.forward));
for (var i = 0; i < _data.m_datas.Count - 1; i++)
{
vertices[i * 6] = relativeRotation * (_data.m_datas[i].m_start - transform.position);
vertices[i * 6 + 1] = relativeRotation * (_data.m_datas[i].m_end - transform.position);
vertices[i * 6 + 2] = relativeRotation * (_data.m_datas[i + 1].m_start - transform.position);
vertices[i * 6 + 3] = relativeRotation * (_data.m_datas[i].m_end - transform.position);
vertices[i * 6 + 4] = relativeRotation * (_data.m_datas[i + 1].m_end - transform.position);
vertices[i * 6 + 5] = relativeRotation * (_data.m_datas[i + 1].m_start - transform.position);
}
var triangles = new int[nbOfTriangles * 3];
for (var i = 0; i < triangles.Length; i++)
{
triangles[i] = i;
}
var uvs = new Vector2[nbOfVertices];
for (var i = 0; i < uvs.Length; i++)
{
uvs[i] = new Vector2(0, 0);
}
mesh.vertices = vertices;
mesh.triangles = triangles;
mesh.uv = uvs;
//mesh.normals = normals;
return(mesh);
}
private List <MaskMeshData> RayCast(MaskMeshData.TYPE _type)
{
LayerMask mask;
switch (_type)
{
case MaskMeshData.TYPE.FULL:
mask = m_fullCoverLayerMask;
break;
case MaskMeshData.TYPE.SEMI:
mask = m_semiCoverLayerMask;
break;
default:
throw new ArgumentOutOfRangeException(nameof(_type), _type, null);
}
var meshDataCollection = new List <MaskMeshData>();
var currentMeshData = new MaskMeshData(_type);
var step = m_lineOfSight.m_amplitudeOfSightInDegrees / (m_lineOfSight.m_numberOfRaycast - 1);
for (var i = 0; i < m_lineOfSight.m_numberOfRaycast; i++)
{
var angle = (-m_lineOfSight.m_amplitudeOfSightInDegrees * .5f) + (i * step);
var rayCastDirection = Quaternion.Euler(0, angle, 0) * transform.forward;
var ray = new UnityEngine.Ray(transform.position, rayCastDirection);
var currentRayCastResult = new RaycastData()
{
m_angle = angle,
m_direction = rayCastDirection
};
if (!Physics.Raycast(ray, out var hit, m_lineOfSight.m_maxDistance, mask))
{
currentRayCastResult.m_hit = false;
currentRayCastResult.m_start = transform.position;
currentRayCastResult.m_end = ray.GetPoint(m_lineOfSight.m_maxDistance);
if (m_previousRaycastData.m_hit)
{
if (currentMeshData.m_datas.Count > 0)
{
meshDataCollection.Add(currentMeshData);
}
}
m_previousRaycastData = currentRayCastResult;
continue;
}
currentRayCastResult.m_hit = true;
currentRayCastResult.m_start = hit.point;
currentRayCastResult.m_end = ray.GetPoint(m_lineOfSight.m_maxDistance);
if (m_previousRaycastData.m_hit)
{
currentMeshData.m_datas.Add(currentRayCastResult);
if (i == m_lineOfSight.m_numberOfRaycast - 1)
{
if (currentMeshData.m_datas.Count > 0)
{
meshDataCollection.Add(currentMeshData);
}
}
}
else
{
currentMeshData = new MaskMeshData(_type);
currentMeshData.m_datas.Add(currentRayCastResult);
if (i > 0)
{
FindEdge();
}
}
m_previousRaycastData = currentRayCastResult;
}
return(meshDataCollection);
}
