static public void DelRevealer(FOWAbstractRevealer rev)
{
if (rev != null)
{
lock (mRemoved) mRemoved.Add(rev);
}
}
static public void AddRevealer(FOWAbstractRevealer rev)
{
if (rev != null)
{
lock (mAdded) mAdded.Add(rev);
}
}
void PaintCircle(FOWAbstractRevealer r)
{
// Position relative to the fog of war
Vector3 pos = (r.worldPos - basePoint) * worldToTex;
float radius = r.radius * worldToTex;
// Coordinates we'll be dealing with
int xmin = Mathf.RoundToInt(pos.x - radius);
int ymin = Mathf.RoundToInt(pos.z - radius);
int xmax = Mathf.RoundToInt(pos.x + radius);
int ymax = Mathf.RoundToInt(pos.z + radius);
int cx = Mathf.RoundToInt(pos.x);
int cy = Mathf.RoundToInt(pos.z);
cx = Mathf.Clamp(cx, 0, textureSize - 1);
cy = Mathf.Clamp(cy, 0, textureSize - 1);
int radiusSqr = Mathf.RoundToInt(radius * radius);
if (ymin < 0)
{
ymin = 0;
}
if (xmin < 0)
{
xmin = 0;
}
if (xmax > textureSize - 1)
{
xmax = textureSize - 1;
}
if (ymax > textureSize - 1)
{
ymax = textureSize - 1;
}
for (int y = ymin; y <= ymax; y++)
{
int yw = y * textureSize;
for (int x = xmin; x <= xmax; ++x)
{
int xd = x - cx;
int yd = y - cy;
int dist = xd * xd + yd * yd;
// Reveal this pixel
if (dist <= radiusSqr)
{
mBuffer1[x + yw].r = 255;
}
}
}
}
private void PaintCircle(FOWAbstractRevealer r)
{
PaintCircle(r.worldPos, r.radius);
}