Automatic shooting

terrain/terrain.go

@@ -12,6 +12,7 @@ import (
 
 var (
 	grassImage *ebiten.Image
+	subimage   *ebiten.Image
 )
 
 type Terrain struct {
@@ -31,7 +32,7 @@ func (t *Terrain) DrawTerrain(screen *ebiten.Image) {
 			// ground
 			op.GeoM.Reset()
 			op.GeoM.Translate(float64(i*64+offsetX), float64(j*64+offsetY))
-			screen.DrawImage(grassImage.SubImage(image.Rect(32, 160, 32+64, 160+64)).(*ebiten.Image), op)
+			screen.DrawImage(subimage, op)
 		}
 
 	}
@@ -43,6 +44,7 @@ func init() {
 		log.Fatal(err)
 	}
 	grassImage = ebiten.NewImageFromImage(img)
+	subimage = grassImage.SubImage(image.Rect(32, 160, 32+64, 160+64)).(*ebiten.Image)
 }
 
 func NewTerrain() *Terrain {
@@ -54,16 +56,16 @@ func NewTerrain() *Terrain {
 
 func (t *Terrain) Move() {
 	if slices.Contains([]configuration.Direction{configuration.North, configuration.NorthEast, configuration.NorthWest}, t.direction) {
-		t.PositionY += 1
+		t.PositionY += 3
 	}
 	if slices.Contains([]configuration.Direction{configuration.South, configuration.SouthEast, configuration.SouthWest}, t.direction) {
-		t.PositionY -= 1
+		t.PositionY -= 3
 	}
 	if slices.Contains([]configuration.Direction{configuration.East, configuration.NorthEast, configuration.SouthEast}, t.direction) {
-		t.PositionX -= 1
+		t.PositionX -= 3
 	}
 	if slices.Contains([]configuration.Direction{configuration.West, configuration.NorthWest, configuration.SouthWest}, t.direction) {
-		t.PositionX += 1
+		t.PositionX += 3
 	}
 
 }