public static bool Check(Vector2 point, Transform trans)
{
Matrix matPoint = Matrix.CreateTranslation(point.X, point.Y, 0);
Matrix matTrans = trans.GetMatrix();
Matrix convert = matPoint * Matrix.Invert(matTrans);
Vector2 convertPoint = Vector2.Transform(point, convert);
return Check(convertPoint, new Rectangle(0, 0, (int)trans.Size.X, (int)trans.Size.Y));
}
public static bool Check(Vector2 point, Transform trans, Texture2D texture)
{
Matrix matPoint = Matrix.CreateTranslation(point.X, point.Y, 0);
Matrix matTrans = trans.GetMatrix();
Matrix convert = matPoint * Matrix.Invert(matTrans);
Vector2 convertPoint = Vector2.Transform(point, convert);
if (Check(convertPoint, new Rectangle(0, 0, (int)trans.Size.X, (int)trans.Size.Y)))
{
Color[] data = new Color[texture.Width * texture.Height];
texture.GetData(data);
Point p = new Point((int)convertPoint.X, (int)convertPoint.Y);
if (data[p.X + p.Y * texture.Width].A != 0)
return true;
return false;
}
return false;
}
public static bool Check(Point point, Transform trans, Texture2D texture)
{
Vector2 p = new Vector2(point.X, point.Y);
return Check(p, trans, texture);
}
public static bool Check(Point point, Transform trans)
{
Vector2 p = new Vector2(point.X, point.Y);
return Check(p, trans);
}
public static void Transform(ETransformType ett, Vector2 pDelta, Transform trans)
{
switch (ett)
{
case ETransformType.TopLeft:
trans.Size = new Vector2((float)Math.Max(trans.Size.X - pDelta.X, 1.0f), (float)Math.Max(trans.Size.Y - pDelta.Y, 1.0f));
// Keep the position of the Bottom Right corner
trans.Position = new Vector2(trans.Position.X + pDelta.X / 2f, trans.Position.Y + pDelta.Y / 2f);
break;
case ETransformType.TopRight:
trans.Size = new Vector2((float)Math.Max(trans.Size.X + pDelta.X, 1.0f), (float)Math.Max(trans.Size.Y - pDelta.Y, 1));
trans.Position = new Vector2(trans.Position.X + pDelta.X / 2f, trans.Position.Y + pDelta.Y / 2);
break;
case ETransformType.BottomLeft:
trans.Size = new Vector2((float)Math.Max(trans.Size.X - pDelta.X, 1.0f), (float)Math.Max(trans.Size.Y + pDelta.Y, 1.0f));
trans.Position = new Vector2(trans.Position.X + pDelta.X / 2f, trans.Position.Y + pDelta.Y / 2f);
break;
case ETransformType.BottomRight:
trans.Size = new Vector2((float)Math.Max(trans.Size.X + pDelta.X, 1f), (float)Math.Max(trans.Size.Y + pDelta.Y, 1f));
trans.Position = new Vector2(trans.Position.X + pDelta.X / 2f, trans.Position.Y + pDelta.Y / 2f);
break;
case ETransformType.Top:
trans.Size = new Vector2(trans.Size.X, trans.Size.Y - pDelta.Y);
trans.Position = new Vector2(trans.Position.X, trans.Position.Y + pDelta.Y / 2);
break;
case ETransformType.Bottom:
trans.Size = new Vector2(trans.Size.X, trans.Size.Y + pDelta.Y);
trans.Position = new Vector2(trans.Position.X, trans.Position.Y + pDelta.Y / 2);
break;
case ETransformType.Left:
trans.Size = new Vector2(trans.Size.X - pDelta.X, trans.Size.Y);
trans.Position = new Vector2(trans.Position.X + pDelta.X / 2, trans.Position.Y);
break;
case ETransformType.Right:
trans.Size = new Vector2(trans.Size.X + pDelta.X, trans.Size.Y);
trans.Position = new Vector2(trans.Position.X + pDelta.X / 2, trans.Position.Y);
break;
case ETransformType.Middle:
trans.Position = new Vector2(trans.Position.X + pDelta.X, trans.Position.Y + pDelta.Y);
break;
}
}
