FogOfWarShape CreateShape(FogOfWar fow)
{
if (shapeType == FogOfWarShapeType.Circle)
{
FogOfWarShapeCircle shape = new FogOfWarShapeCircle();
FillShape(fow, shape);
shape.innerRadius = innerRadius;
shape.angle = angle;
return(shape);
}
else if (shapeType == FogOfWarShapeType.Box)
{
FogOfWarShapeBox shape = new FogOfWarShapeBox();
FillShape(fow, shape);
return(shape);
}
else if (shapeType == FogOfWarShapeType.Texture)
{
if (texture == null)
{
return(null);
}
FogOfWarShapeTexture shape = new FogOfWarShapeTexture();
FillShape(fow, shape);
shape.texture = texture;
shape.rotateToForward = rotateToForward;
return(shape);
}
return(null);
}
protected override void DrawCircle(FogOfWarShapeCircle shape)
{
int fogradius = Mathf.RoundToInt(shape.radius * _map.pixelSize);
int fogradiussqr = fogradius * fogradius;
DrawInfo info = new DrawInfo(_map, shape, fogradius, fogradius);
// view angle stuff
float dotangle = 1 - shape.angle / 90;
for (int y = info.yMin; y <= info.yMax; ++y)
{
for (int x = info.xMin; x <= info.xMax; ++x)
{
// is pixel within circle radius
Vector2 centeroffset = new Vector2(x, y) - info.fogCenterPos;
if (shape.visibleCells == null && centeroffset.sqrMagnitude >= fogradiussqr)
{
continue;
}
// check if in view angle
if (dotangle > -0.99f && Vector2.Dot(centeroffset.normalized, info.fogForward) <= dotangle)
{
continue;
}
// can see pixel
Vector2i offset = new Vector2i(x, y) - info.fogEyePos;
if (!LineOfSightCanSee(shape, offset.vector2, fogradius))
{
continue;
}
if (!LineOfSightCanSeeCell(shape, offset))
{
continue;
}
Unfog(x, y, shape.GetFalloff(centeroffset.magnitude / (_map.pixelSize * shape.radius)));
}
}
}
protected abstract void DrawCircle(FogOfWarShapeCircle shape);
