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Added Union for Rectangle{,F,F32}.

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This commit is contained in:
Sander Schobers 2021-02-15 19:39:39 +01:00
parent d1c3f6619b
commit 885f27689f
3 changed files with 17 additions and 0 deletions
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7
rectangle.go
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@ -1,5 +1,7 @@
package geom package geom
import "opslag.de/schobers/geom/ints"
// Rectangle represents a 2-dimensional surface with as boundaries Min (inclusive) and Max (exclusive). // Rectangle represents a 2-dimensional surface with as boundaries Min (inclusive) and Max (exclusive).
type Rectangle struct { type Rectangle struct {
Min, Max Point Min, Max Point
@ -57,3 +59,8 @@ func (r Rectangle) ToF() RectangleF { return RectangleF{Min: r.Min.ToF(), Max: r
// ToF32 returns the floating point representation of r. // ToF32 returns the floating point representation of r.
func (r Rectangle) ToF32() RectangleF32 { return RectangleF32{Min: r.Min.ToF32(), Max: r.Max.ToF32()} } func (r Rectangle) ToF32() RectangleF32 { return RectangleF32{Min: r.Min.ToF32(), Max: r.Max.ToF32()} }
// Union gives back the union of the two rectangles.
func (r Rectangle) Union(s Rectangle) Rectangle {
return Rect(ints.Min(r.Min.X, s.Min.X), ints.Min(r.Min.Y, s.Min.Y), ints.Max(r.Max.X, s.Max.X), ints.Max(r.Max.Y, s.Max.Y))
}

5
rectanglef.go
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@ -83,3 +83,8 @@ func (r RectangleF) ToF32() RectangleF32 { return RectangleF32{Min: r.Min.ToF32(
// ToInt returns the integer point representation of r. // ToInt returns the integer point representation of r.
func (r RectangleF) ToInt() Rectangle { return Rectangle{Min: r.Min.ToInt(), Max: r.Max.ToInt()} } func (r RectangleF) ToInt() Rectangle { return Rectangle{Min: r.Min.ToInt(), Max: r.Max.ToInt()} }
// Union gives back the union of the two rectangles.
func (r RectangleF) Union(s RectangleF) RectangleF {
return RectF(Min(r.Min.X, s.Min.X), Min(r.Min.Y, s.Min.Y), Max(r.Max.X, s.Max.X), Max(r.Max.Y, s.Max.Y))
}

5
rectanglef32.go
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@ -83,3 +83,8 @@ func (r RectangleF32) ToInt() Rectangle { return Rectangle{Min: r.Min.ToInt(), M
// ToF returns the floating point representation of r. // ToF returns the floating point representation of r.
func (r RectangleF32) ToF() RectangleF { return RectangleF{Min: r.Min.ToF(), Max: r.Max.ToF()} } func (r RectangleF32) ToF() RectangleF { return RectangleF{Min: r.Min.ToF(), Max: r.Max.ToF()} }
// Union gives back the union of the two rectangles.
func (r RectangleF32) Union(s RectangleF32) RectangleF32 {
return RectF32(Min32(r.Min.X, s.Min.X), Min32(r.Min.Y, s.Min.Y), Max32(r.Max.X, s.Max.X), Max32(r.Max.Y, s.Max.Y))
}