public void Encapsulate(RectBounds target)
{
xMin = Mathf.Min(target.xMin, xMin);
yMin = Mathf.Min(target.yMin, yMin);
xMax = Mathf.Max(target.xMax, xMax);
yMax = Mathf.Max(target.yMax, yMax);
}
public RectBounds GetBounds()
{
RectBounds bounds = RectBounds.Empty();
foreach (var shape in WalkAble)
{
bounds.Encapsulate(shape.GetBounds());
}
return(bounds);
}
public static RectBounds PointsBounds(Vector2[] points)
{
RectBounds bounds = RectBounds.Empty();
for (int i = 0; i < points.Length; ++i)
{
bounds.Encapsulate(points[i]);
}
return(bounds);
}
public static RectBounds BoxBounds(Vector2 center, Vector2 rotation, Vector2 size)
{
RectBounds bounds = RectBounds.Empty();
for (int i = 0; i < 4; ++i)
{
Vector2 point = Vector2.Scale(BoxPoints[i], size) + center;
point = point.Rotate(rotation);
//point = matrix.Multiply(point);
bounds.Encapsulate(point);
}
return(bounds);
}
public static SDFRawData GeneratorByRoot(GameObject root)
{
SDFScene scene = new SDFScene();
scene.AddRoot(root);
if (!scene.IsValid())
{
return(null);
}
RectBounds bounds = scene.GetBounds();
bounds.Expand(1, 1);
bounds.Floor();
Vector2 size = bounds.Size;
if (size.x < 1 || size.y < 1)
{
return(null);
}
Vector2 min = bounds.Min;
int width = Mathf.FloorToInt(size.x);
int height = Mathf.FloorToInt(size.y);
float maxDistance = Mathf.Max(size.x, size.y);
float scale = maxDistance / short.MaxValue;
short[] data = new short[width * height];
for (int i = 0; i < width; ++i)
{
for (int j = 0; j < height; ++j)
{
Vector2 pos = min + new Vector2(i, j);
float val = scene.SDF(pos);
val = (val / maxDistance) * short.MaxValue;
data[i + width * j] = (short)val;
}
}
SDFRawData rawData = new SDFRawData();
rawData.Init(width, height, scale, min, data);
return(rawData);
}
