private void AddOutline(VisiblitySet visiblitySet)
{
float top = size / 2f;
float btm = -size / 2f;
float left = -size / 2f;
float right = size / 2f;
Vector3 topLeft = transform.TransformPoint(new Vector3(left, top, 0f));
Vector3 topRight = transform.TransformPoint(new Vector3(right, top, 0f));
Vector3 btmLeft = transform.TransformPoint(new Vector3(left, btm, 0f));
Vector3 btmRight = transform.TransformPoint(new Vector3(right, btm, 0f));
visiblitySet.Segments.Add(new Segment(topRight, topLeft)
{
IsOutline = true
});
visiblitySet.Segments.Add(new Segment(btmRight, topRight)
{
IsOutline = true
});
visiblitySet.Segments.Add(new Segment(btmLeft, btmRight)
{
IsOutline = true
});
visiblitySet.Segments.Add(new Segment(topLeft, btmLeft)
{
IsOutline = true
});
}
public void RebuildShadow()
{
_visiblitySet = _visiblitySet ?? new VisiblitySet();
_visiblitySet.Clear(this);
_meshFilter = _meshFilter ?? GetComponent <MeshFilter>();
AddSegments(_visiblitySet);
_visiblitySet.PrepareSegments();
_visiblitySet.UpdateAngles();
_visiblitySet.Sweep();
_bounds = new Bounds(transform.position, new Vector3(size, size, size));
CreateShadowPolygonPoints();
Mesh mesh = _visiblitySet.CreateOrUpdateMesh();
if (_meshFilter != null)
{
_meshFilter.sharedMesh = mesh;
}
if (_drawGizmos)
{
Gizmos.color = Color.blue;
Gizmos.DrawWireMesh(mesh, transform.position, transform.rotation);
}
}
public void LateUpdate()
{
_meshRenderer = _meshRenderer ?? GetComponent <MeshRenderer>();
if (_meshRenderer != null && onlyUpdateWhenVisible && !_meshRenderer.isVisible)
{
return;
}
_visiblitySet = _visiblitySet ?? new VisiblitySet();
// Can't rotate the lights at the moment
transform.rotation = Quaternion.identity;
Vector2 newPosition = transform.position;
Vector2 oldScreenSize = _screenSize;
_screenSize = new Vector2(Screen.width, Screen.height);
bool rebuild = updateOnEachUpdate;
rebuild = rebuild || _screenSize != oldScreenSize || !Mathf.Approximately(size, _oldSize);
rebuild = rebuild || !Mathf.Approximately(Camera.main.orthographicSize, _oldOrthographicSize);
rebuild = rebuild || !Mathf.Approximately(Camera.main.fieldOfView, _oldFieldOfView);
rebuild = rebuild || updateOnChangedLocation && !ShadowMathUtils.Approximately(_oldPosition, newPosition);
rebuild = rebuild || updateWhenCollidersChange && GetHaveCollidersChanged();
_oldSize = size;
if (rebuild)
{
RebuildShadow();
_oldOrthographicSize = Camera.main.orthographicSize;
_oldFieldOfView = Camera.main.fieldOfView;
}
else
{
if (updateUvs &&
!ShadowMathUtils.Approximately(Camera.main.transform.position, _oldCameraPosition))
{
_visiblitySet.UpdateUvs();
_oldCameraPosition = Camera.main.transform.position;
}
}
_oldPosition = newPosition;
}
private void AddSegments(VisiblitySet visiblitySet)
{
if (usePhysicsForShadowCasters)
{
_collider2DTracker.UpdateColliders(_visiblitySet.TopLeft, _visiblitySet.BottomRight, layerMask);
}
if (segmentGenerator == null)
{
Debug.LogError("No segment generator found!");
return;
}
foreach (Collider2D collider in _collider2DTracker.colliders)
{
segmentGenerator.AddColliderSegments(this, visiblitySet.Segments, collider);
}
AddOutline(visiblitySet);
}
public void LateUpdate()
{
_visiblitySet = _visiblitySet ?? new VisiblitySet();
// Can't rotate the lights at the moment
transform.rotation = Quaternion.identity;
Vector2 newPosition = transform.position;
Vector2 oldScreenSize = _screenSize;
_screenSize = new Vector2(Screen.width, Screen.height);
bool rebuild = updateOnEachUpdate;
rebuild = rebuild || _screenSize != oldScreenSize || !Mathf.Approximately(size, _oldSize);
rebuild = rebuild || !Mathf.Approximately(Camera.main.orthographicSize, _oldOrthographicSize);
rebuild = rebuild || updateOnChangedLocation && !ShadowMathUtils.Approximately(_oldPosition, newPosition);
rebuild = rebuild || updateWhenCollidersChange && GetHaveCollidersChanged();
_oldSize = size;
if (rebuild)
{
RebuildShadow();
_oldOrthographicSize = Camera.main.orthographicSize;
}
else
{
if (updateUvs
&& !ShadowMathUtils.Approximately(Camera.main.transform.position, _oldCameraPosition))
{
_visiblitySet.UpdateUvs();
_oldCameraPosition = Camera.main.transform.position;
}
}
_oldPosition = newPosition;
}
private void AddSegments(VisiblitySet visiblitySet)
{
if (usePhysicsForShadowCasters)
{
_collider2DTracker.UpdateColliders(_visiblitySet.TopLeft, _visiblitySet.BottomRight, layerMask);
}
if (segmentGenerator == null)
{
Debug.LogError("No segment generator found!");
return;
}
foreach (Collider2D collider in _collider2DTracker.colliders)
{
segmentGenerator.AddColliderSegments(this, visiblitySet.Segments, collider);
}
AddOutline(visiblitySet);
}
private void AddOutline(VisiblitySet visiblitySet)
{
float top = size / 2f;
float btm = -size / 2f;
float left = -size / 2f;
float right = size / 2f;
Vector3 topLeft = transform.TransformPoint(new Vector3(left, top, 0f));
Vector3 topRight = transform.TransformPoint(new Vector3(right, top, 0f));
Vector3 btmLeft = transform.TransformPoint(new Vector3(left, btm, 0f));
Vector3 btmRight = transform.TransformPoint(new Vector3(right, btm, 0f));
visiblitySet.Segments.Add(new Segment(topRight, topLeft) { IsOutline = true });
visiblitySet.Segments.Add(new Segment(btmRight, topRight) { IsOutline = true });
visiblitySet.Segments.Add(new Segment(btmLeft, btmRight) { IsOutline = true });
visiblitySet.Segments.Add(new Segment(topLeft, btmLeft) { IsOutline = true });
}
public void RebuildShadow()
{
_visiblitySet = _visiblitySet ?? new VisiblitySet();
_visiblitySet.Clear(this);
_meshFilter = _meshFilter ?? GetComponent<MeshFilter>();
AddSegments(_visiblitySet);
_visiblitySet.PrepareSegments();
_visiblitySet.UpdateAngles();
_visiblitySet.Sweep();
_bounds = new Bounds(transform.position, new Vector3(size, size, size));
CreateShadowPolygonPoints();
Mesh mesh = _visiblitySet.CreateOrUpdateMesh();
_meshFilter.sharedMesh = mesh;
if (_drawGizmos)
{
Gizmos.color = Color.blue;
Gizmos.DrawWireMesh(mesh, transform.position, transform.rotation);
}
}