1 files changed, 2 insertions, 6 deletions
diff --git a/pkg/field/step.go b/pkg/field/step.go
index 50147d2..eee6f95 100644
--- a/pkg/field/step.go
+++ b/pkg/field/step.go
@@ -2,19 +2,15 @@ package field
 
 func (f Field) Step(x, y, dx, dy int) (int, int) {
 	x2, y2 := x+dx, y+dy
-	if f.IsIn(x2, y2) {
+	if f.isIn(x2, y2) {
 		return x2, y2
 	}
 	// We are stepping outside, we need to wrap the Lahey-space
 	for {
 		x2, y2 := x-dx, y-dy
-		if !f.IsIn(x2, y2) {
+		if !f.isIn(x2, y2) {
 			return x, y
 		}
 		x, y = x2, y2
 	}
 }
-
-func (f Field) IsIn(x, y int) bool {
-	return x >= f.x && x < f.x+f.lx && y >= f.y && y < f.y+f.ly
-}