public List <Vector2> ScaleKeepRatio(float size)
{
Rect boundingBox = Gesture.GetBoundingBox(this.Points);
List <Vector2> scaledPoints = new List <Vector2>();
float scaleValue;
if (boundingBox.width > boundingBox.height)
{
//wide rectangle will be scaled following the width
scaleValue = size / boundingBox.width;
}
else
{
scaleValue = size / boundingBox.height;
}
for (int i = 0; i < this.Points.Count; i++)
{
float x = this.Points[i].x * scaleValue;
float y = this.Points[i].y * scaleValue;
scaledPoints.Add(new Vector2(x, y));
}
return(scaledPoints);
}
/// <summary>
/// Scale the gesture so that it can fit into predefined bounding box
/// (which is a square originated on ORIGIN with the size of SQUARE_SIZE).
/// </summary>
/// <param name="size">Size of the bounding box to scale to</param>
/// <returns>List of points which now fits in the predefined bounding box.</returns>
public List <Vector2> ScaleTo(float size)
{
Rect boundingBox = Gesture.GetBoundingBox(this.Points);
List <Vector2> scaledPoints = new List <Vector2>();
for (int i = 0; i < this.Points.Count; i++)
{
float x = this.Points[i].x * (size / boundingBox.width);
float y = this.Points[i].y * (size / boundingBox.height);
scaledPoints.Add(new Vector2(x, y));
}
return(scaledPoints);
}
/// <summary>
/// Scale the gesture so that it can fit into predefined bounding box
/// (which is a square originated on ORIGIN with the size of SQUARE_SIZE).
/// </summary>
/// <param name="size">Size of the bounding box to scale to</param>
/// <returns>List of points which now fits in the predefined bounding box.</returns>
public List <Vector2> ScaleTo(float size)
{
Rect boundingBox = Gesture.GetBoundingBox(this.Points);
List <Vector2> scaledPoints = new List <Vector2>();
for (int i = 0; i < this.Points.Count; i++)
{
float x = this.Points[i].x * (size / boundingBox.width);
float boundingBoxHeight = boundingBox.height;
if (boundingBoxHeight < 0.00001f)
{
Debug.LogWarning("bounding box height is too small, clamped to 0.00001");
boundingBoxHeight = 0.00001f;
}
float y = this.Points[i].y * (size / boundingBoxHeight);
scaledPoints.Add(new Vector2(x, y));
}
return(scaledPoints);
}
