/// <summary>
/// Determines if this polygon intersects with another polygon.
/// </summary>
/// <param name="polygon">The polygon to test against.</param>
/// <returns>A value indicating if the two polygons intersect.</returns>
public bool IntersectsWith(GsPolygon polygon)
{
GsRectangle boxA = GsRectangle.FromLTRB(this.mMinX, this.mMinY, this.mMaxX, this.mMaxY);
GsRectangle boxB = GsRectangle.FromLTRB(polygon.mMinX, polygon.mMinY, polygon.mMaxX, polygon.mMaxY);
return(boxA.IntersectsWith(boxB));
}
public override bool Equals(object obj)
{
if (!(obj is GsRectangle))
{
return(false);
}
GsRectangle ef = (GsRectangle)obj;
return(ef.X == this.X && ef.Y == this.Y && ef.Width == this.Width && ef.Height == this.Height);
}
public bool Contains(GsRectangle rect)
{
return((X <= rect.X) && (rect.Right <= Right) && (Y <= rect.Y) && (rect.Bottom <= Bottom));
}
public bool IntersectsWith(GsRectangle rect)
{
return((rect.X < (Right)) && (X < (rect.Right)) && (rect.Y < (Bottom)) && (Y < (rect.Bottom)));
}
public static GsRectangle Offset(GsRectangle box, GsVector offset)
{
return(new GsRectangle(box.Location + offset, box.Size));
}
public static GsRectangle Offset(GsRectangle box, float dx, float dy)
{
return(new GsRectangle(box.X + dx, box.Y + dy, box.Width, box.Height));
}
public static IEnumerable <GsVector> CreateRoundRect(GsRectangle rect, float radius, RectangleCorners corners)
{
float l = rect.Left;
float t = rect.Top;
float r = rect.Right;
float b = rect.Bottom;
float lr = rect.Left + radius;
float tr = rect.Top + radius;
float rr = rect.Right - radius;
float br = rect.Bottom - radius;
List <GsVector> polygon = new List <GsVector>();
// upper-left
if ((corners & RectangleCorners.TopLeft) != 0)
{
GsVector[] upleft_corner = new GsVector[3]
{
new GsVector(l, tr),
new GsVector(l, t),
new GsVector(lr, t),
};
polygon.AddRange(CreateBezier(upleft_corner));
}
else
{
polygon.Add(new GsVector(l, t));
}
// upper-right
if ((corners & RectangleCorners.TopRight) != 0)
{
GsVector[] upright_corner = new GsVector[3]
{
new GsVector(rr, t),
new GsVector(r, t),
new GsVector(r, tr),
};
polygon.AddRange(CreateBezier(upright_corner));
}
else
{
polygon.Add(new GsVector(r, t));
}
// bottom-right
if ((corners & RectangleCorners.BottomRight) != 0)
{
GsVector[] bottomright_corner = new GsVector[3]
{
new GsVector(r, br),
new GsVector(r, b),
new GsVector(rr, b),
};
polygon.AddRange(CreateBezier(bottomright_corner));
}
else
{
polygon.Add(new GsVector(r, b));
}
// bottom-left
if ((corners & RectangleCorners.BottomLeft) != 0)
{
GsVector[] bottomleft_corner = new GsVector[3]
{
new GsVector(lr, b),
new GsVector(l, b),
new GsVector(l, br),
};
polygon.AddRange(CreateBezier(bottomleft_corner));
}
else
{
polygon.Add(new GsVector(l, b));
}
// close it up
polygon.Add(polygon[0]);
// return it!
return(polygon);
}
public static void FillRectangle(this IGsGraphics graphics, GsColor color, GsRectangle rect)
{
graphics.FillRectangle(color, rect.X, rect.Y, rect.Width, rect.Height);
}
