cmd: send group

internal/generator/map.go

@@ -2,10 +2,10 @@ package generator
 
 import (
 	"fmt"
-	"math"
 	"math/rand"
 
 	"github.com/iliadenisov/galaxy/internal/generator/plotter"
+	"github.com/iliadenisov/galaxy/internal/util"
 )
 
 type Map struct {
@@ -58,15 +58,7 @@ func (m Map) NewCoordinate(deadZoneRaduis float64) (Coordinate, error) {
 }
 
 func (m Map) ShortDistance(from, to Coordinate) float64 {
-	dx := math.Abs(to.X - from.X)
-	dy := math.Abs(to.Y - from.Y)
-	if dx > float64(m.Width/2) {
-		dx = float64(m.Width) - dx
-	}
-	if dy > float64(m.Height/2) {
-		dy = float64(m.Height) - dy
-	}
-	return math.Sqrt(math.Pow(dx, 2) + math.Pow(dy, 2))
+	return util.ShortDistance(m.Width, m.Height, from.X, from.Y, to.X, to.Y)
 }
 
 // RandI returns a random float64 value between min and max