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author | Ignacio Etcheverry <ignalfonsore@gmail.com> | 2018-09-12 21:22:43 +0200 |
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committer | Ignacio Etcheverry <ignalfonsore@gmail.com> | 2018-09-12 22:03:36 +0200 |
commit | 995a40e8efa9f7a868a6706e30c476305e16180b (patch) | |
tree | 95c4187543fd237695ae0d5da5018776c1626867 /modules/mono/glue/Managed/Files/Rect2.cs | |
parent | 5e57beebb1a43c65d949fdfe5081f9c27f181c80 (diff) |
Move modules/mono/glue/cs_files to modules/mono/glue/Managed/Files
Added dummy MSBuild project and solution to get tooling help when editing these files.
Diffstat (limited to 'modules/mono/glue/Managed/Files/Rect2.cs')
-rw-r--r-- | modules/mono/glue/Managed/Files/Rect2.cs | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/modules/mono/glue/Managed/Files/Rect2.cs b/modules/mono/glue/Managed/Files/Rect2.cs new file mode 100644 index 0000000000..cb25c267bc --- /dev/null +++ b/modules/mono/glue/Managed/Files/Rect2.cs @@ -0,0 +1,256 @@ +using System; +using System.Runtime.InteropServices; +#if REAL_T_IS_DOUBLE +using real_t = System.Double; +#else +using real_t = System.Single; +#endif + +namespace Godot +{ + [StructLayout(LayoutKind.Sequential)] + public struct Rect2 : IEquatable<Rect2> + { + private Vector2 _position; + private Vector2 _size; + + public Vector2 Position + { + get { return _position; } + set { _position = value; } + } + + public Vector2 Size + { + get { return _size; } + set { _size = value; } + } + + public Vector2 End + { + get { return _position + _size; } + set { _size = value - _position; } + } + + public real_t Area + { + get { return GetArea(); } + } + + public Rect2 Abs() + { + Vector2 end = End; + Vector2 topLeft = new Vector2(Mathf.Min(_position.x, end.x), Mathf.Min(_position.y, end.y)); + return new Rect2(topLeft, _size.Abs()); + } + + public Rect2 Clip(Rect2 b) + { + var newRect = b; + + if (!Intersects(newRect)) + return new Rect2(); + + newRect._position.x = Mathf.Max(b._position.x, _position.x); + newRect._position.y = Mathf.Max(b._position.y, _position.y); + + Vector2 bEnd = b._position + b._size; + Vector2 end = _position + _size; + + newRect._size.x = Mathf.Min(bEnd.x, end.x) - newRect._position.x; + newRect._size.y = Mathf.Min(bEnd.y, end.y) - newRect._position.y; + + return newRect; + } + + public bool Encloses(Rect2 b) + { + return b._position.x >= _position.x && b._position.y >= _position.y && + b._position.x + b._size.x < _position.x + _size.x && + b._position.y + b._size.y < _position.y + _size.y; + } + + public Rect2 Expand(Vector2 to) + { + var expanded = this; + + Vector2 begin = expanded._position; + Vector2 end = expanded._position + expanded._size; + + if (to.x < begin.x) + begin.x = to.x; + if (to.y < begin.y) + begin.y = to.y; + + if (to.x > end.x) + end.x = to.x; + if (to.y > end.y) + end.y = to.y; + + expanded._position = begin; + expanded._size = end - begin; + + return expanded; + } + + public real_t GetArea() + { + return _size.x * _size.y; + } + + public Rect2 Grow(real_t by) + { + var g = this; + + g._position.x -= by; + g._position.y -= by; + g._size.x += by * 2; + g._size.y += by * 2; + + return g; + } + + public Rect2 GrowIndividual(real_t left, real_t top, real_t right, real_t bottom) + { + var g = this; + + g._position.x -= left; + g._position.y -= top; + g._size.x += left + right; + g._size.y += top + bottom; + + return g; + } + + public Rect2 GrowMargin(Margin margin, real_t by) + { + var g = this; + + g.GrowIndividual(Margin.Left == margin ? by : 0, + Margin.Top == margin ? by : 0, + Margin.Right == margin ? by : 0, + Margin.Bottom == margin ? by : 0); + + return g; + } + + public bool HasNoArea() + { + return _size.x <= 0 || _size.y <= 0; + } + + public bool HasPoint(Vector2 point) + { + if (point.x < _position.x) + return false; + if (point.y < _position.y) + return false; + + if (point.x >= _position.x + _size.x) + return false; + if (point.y >= _position.y + _size.y) + return false; + + return true; + } + + public bool Intersects(Rect2 b) + { + if (_position.x > b._position.x + b._size.x) + return false; + if (_position.x + _size.x < b._position.x) + return false; + if (_position.y > b._position.y + b._size.y) + return false; + if (_position.y + _size.y < b._position.y) + return false; + + return true; + } + + public Rect2 Merge(Rect2 b) + { + Rect2 newRect; + + newRect._position.x = Mathf.Min(b._position.x, _position.x); + newRect._position.y = Mathf.Min(b._position.y, _position.y); + + newRect._size.x = Mathf.Max(b._position.x + b._size.x, _position.x + _size.x); + newRect._size.y = Mathf.Max(b._position.y + b._size.y, _position.y + _size.y); + + newRect._size = newRect._size - newRect._position; // Make relative again + + return newRect; + } + + // Constructors + public Rect2(Vector2 position, Vector2 size) + { + _position = position; + _size = size; + } + public Rect2(Vector2 position, real_t width, real_t height) + { + _position = position; + _size = new Vector2(width, height); + } + public Rect2(real_t x, real_t y, Vector2 size) + { + _position = new Vector2(x, y); + _size = size; + } + public Rect2(real_t x, real_t y, real_t width, real_t height) + { + _position = new Vector2(x, y); + _size = new Vector2(width, height); + } + + public static bool operator ==(Rect2 left, Rect2 right) + { + return left.Equals(right); + } + + public static bool operator !=(Rect2 left, Rect2 right) + { + return !left.Equals(right); + } + + public override bool Equals(object obj) + { + if (obj is Rect2) + { + return Equals((Rect2)obj); + } + + return false; + } + + public bool Equals(Rect2 other) + { + return _position.Equals(other._position) && _size.Equals(other._size); + } + + public override int GetHashCode() + { + return _position.GetHashCode() ^ _size.GetHashCode(); + } + + public override string ToString() + { + return String.Format("({0}, {1})", new object[] + { + _position.ToString(), + _size.ToString() + }); + } + + public string ToString(string format) + { + return String.Format("({0}, {1})", new object[] + { + _position.ToString(format), + _size.ToString(format) + }); + } + } +} |