public float[] CalculateLineOfSight(FogOfWarPhysics physicsmode, Vector3 eyepos, FogOfWarPlane plane)
{
if (lineOfSightMask == 0)
{
return(null);
}
if (_distances == null)
{
_distances = new float[256];
}
if (physicsmode == FogOfWarPhysics.Physics2D)
{
if (CalculateLineOfSight2D(eyepos, radius, lineOfSightPenetration, lineOfSightMask, _distances))
{
return(_distances);
}
}
else if (plane == FogOfWarPlane.XZ) // 3D
{
if (CalculateLineOfSight3D(eyepos, radius, lineOfSightPenetration, lineOfSightMask, _distances, Vector3.up, Vector3.forward))
{
return(_distances);
}
}
else if (plane == FogOfWarPlane.XY) // 3D
{
if (CalculateLineOfSight3D(eyepos, radius, lineOfSightPenetration, lineOfSightMask, _distances, Vector3.back, Vector3.up))
{
return(_distances);
}
}
return(null);
}
public float[] CalculateLineOfSight(FogOfWarPhysics physicsmode, Vector3 eyepos)
{
if (lineOfSightMask == 0)
{
return(null);
}
if (_distances == null)
{
_distances = new float[256];
}
if (physicsmode == FogOfWarPhysics.Physics2D)
{
if (CalculateLineOfSight2D(eyepos, radius, lineOfSightPenetration, lineOfSightMask, _distances))
{
return(_distances);
}
}
else // 3D
{
if (CalculateLineOfSight3D(eyepos, radius, lineOfSightPenetration, lineOfSightMask, _distances))
{
return(_distances);
}
}
return(null);
}
public FogOfWarShape GetShape(FogOfWar fow, FogOfWarPhysics physics, FogOfWarPlane plane)
{
FogOfWarShape shape = CreateShape(fow);
if (shape == null)
{
return(null);
}
shape.lineOfSight = CalculateLineOfSight(physics, shape.eyePosition, plane);
shape.visibleCells = null;
return(shape);
}
public void Set(FogOfWar fow)
{
resolution = fow.mapResolution;
size = fow.mapSize;
offset = fow.mapOffset;
pixelSize = resolution.x / size;
pixelCount = resolution.x * resolution.y;
plane = fow.plane;
physics = fow.physics;
filterMode = fow.filterMode;
multithreaded = fow.multithreaded;
}
public bool[] CalculateLineOfSightCells(FogOfWar fow, FogOfWarPhysics physicsmode, Vector3 eyepos, float distance)
{
if (physicsmode == FogOfWarPhysics.Physics3D)
{
Debug.LogWarning("Physics3D is not supported with cells!", this);
return(null);
}
int rad = Mathf.RoundToInt(distance);
int width = rad + rad + 1;
if (_visibleCells == null || _visibleCells.Length != width * width)
{
_visibleCells = new bool[width * width];
}
Vector2 cellsize = (fow.mapResolution.vector2 * 1.1f) / fow.mapSize; // do 1.1 to bring it away from the collider a bit so the raycast won't hit it
Vector2 playerpos = FogOfWarConversion.SnapWorldPositionToNearestFogPixel(fow, _transform.position, fow.mapOffset, fow.mapResolution, fow.mapSize);
//playerpos.y += 5;
for (int y = -rad; y <= rad; ++y)
{
for (int x = -rad; x <= rad; ++x)
{
Vector2i offset = new Vector2i(x, y);
// find the nearest point in the cell to the player and raycast to that point
Vector2 fogoffset = offset.vector2 - new Vector2(Sign(offset.x) * cellsize.x, Sign(offset.y) * cellsize.y) * 0.5f;
//fogoffset.y -= 5;
Vector2 worldoffset = FogOfWarConversion.FogToWorldSize(fogoffset, fow.mapResolution, fow.mapSize);
Vector2 worldpos = playerpos + worldoffset;
Debug.DrawLine(playerpos, worldpos);
int idx = (y + rad) * width + x + rad;
// if it is out of range
if (worldoffset.magnitude > distance)
{
_visibleCells[idx] = false;
}
else
{
_visibleCells[idx] = true;
RaycastHit2D hit = Physics2D.Raycast(playerpos, worldoffset.normalized, Mathf.Max(worldoffset.magnitude - lineOfSightPenetration, 0.00001f), lineOfSightMask);
_visibleCells[idx] = hit.collider == null;
}
}
}
return(_visibleCells);
}
public float[] CalculateLineOfSight(FogOfWarPhysics physicsmode, Vector3 eyepos, FogOfWarPlane plane)
{
if (lineOfSightMask == 0)
{
return(null);
}
if (_distances == null)
{
_distances = new float[256];
}
if (CalculateLineOfSight3D(eyepos, radius, lineOfSightPenetration, lineOfSightMask, _distances, Vector3.up, Vector3.forward))
{
return(_distances);
}
return(null);
}
public FogOfWarShape GetShape(FogOfWarPhysics physics, FogOfWarPlane plane)
{
FogOfWarShape shape = CreateShape();
if (shape == null)
{
return(null);
}
if (cellBased)
{
shape.lineOfSight = null;
shape.visibleCells = CalculateLineOfSightCells(physics, shape.eyePosition);
}
else
{
shape.lineOfSight = CalculateLineOfSight(physics, shape.eyePosition, plane);
shape.visibleCells = null;
}
return(shape);
}
