void DrawRotatedBox(FogOfWarShapeBox shape)
{
// convert size to fog space
DrawInfo info = new DrawInfo(_map, shape);
float lineofsightradius = shape.CalculateMaxLineOfSightDistance() * _map.pixelSize;
// rotation stuff
Vector2 sizemul = shape.size * 0.5f * _map.pixelSize;
Vector2 invfogsize = new Vector2(1.0f / (shape.size.x * _map.pixelSize), 1.0f / (shape.size.y * _map.pixelSize));
float sin = Mathf.Sin(info.forwardAngle);
float cos = Mathf.Cos(info.forwardAngle);
byte brightness = shape.maxBrightness;
bool drawtexture = shape.hasTexture && !_isMultithreaded;
for (int y = info.yMin; y < info.yMax; ++y)
{
float yy = y - info.fogCenterPos.y;
for (int x = info.xMin; x < info.xMax; ++x)
{
float xx = x - info.fogCenterPos.x;
// get rotated uvs
float u = xx * cos - yy * sin;
if (u < -sizemul.x || u >= sizemul.x)
{
continue;
}
float v = yy * cos + xx * sin;
if (v < -sizemul.y || v >= sizemul.y)
{
continue;
}
// can see pixel
Vector2i offset = new Vector2i(x, y) - info.fogEyePos;
if (!LineOfSightCanSee(shape, offset.vector2, lineofsightradius))
{
continue;
}
if (!LineOfSightCanSeeCell(shape, offset))
{
continue;
}
// unfog
if (drawtexture)
{
Unfog(x, y, SampleTexture(shape.texture, 0.5f + u * invfogsize.x, 0.5f + v * invfogsize.y, shape.brightness));
}
else
{
Unfog(x, y, brightness);
}
}
}
}
void DrawAxisAlignedBox(FogOfWarShapeBox shape)
{
// convert size to fog space
DrawInfo info = new DrawInfo(_map, shape);
float lineofsightradius = shape.CalculateMaxLineOfSightDistance() * _map.pixelSize + 0.01f;
byte brightness = shape.maxBrightness;
bool drawtexture = shape.hasTexture && !_isMultithreaded;
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, lineofsightradius))
{
continue;
}
if (!LineOfSightCanSeeCell(shape, offset))
{
continue;
}
// unfog
if (drawtexture)
{
float u = Mathf.InverseLerp(info.xMin, info.xMax, x);
float v = Mathf.InverseLerp(info.yMin, info.yMax, y);
Unfog(x, y, SampleTexture(shape.texture, u, v, shape.brightness));
}
else
{
Unfog(x, y, brightness);
}
}
}
}