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 DrawBox(FogOfWarShapeBox shape)
{
// convert size to fog space
float fogradius = shape.radius * _map.pixelSize;
DrawInfo info = new DrawInfo(_map, shape, shape.radius * _map.pixelSize, shape.radius * _map.pixelSize);
for (int y = info.yMin; y <= info.yMax; ++y)
{
for (int x = info.xMin; x <= info.xMax; ++x)
{
// can see pixel
Vector2i offset = new Vector2i(x, y) - info.fogEyePos;
if (!LineOfSightCanSee(shape, offset.vector2, fogradius))
{
continue;
}
if (!LineOfSightCanSeeCell(shape, offset))
{
continue;
}
_values[y * _map.resolution.x + x] = 0;
}
}
}
protected abstract void DrawBox(FogOfWarShapeBox shape);
