obstacle collission added, but not working yet

assets/levels/0-own.lvl

@@ -5,13 +5,13 @@ Background: background-lila
                     
                     
      ########       
-     #  o # #       
-     #  S # #       
+     #v o   #       
+     #  S<# #       
      # #### #       
                     
                     
      # #### #       
      #      #       
-     #      #       
+     #>    ^#       
      ########       
                     

assets/loader-levels.go

@@ -6,9 +6,11 @@ import (
 	"io/fs"
 	"log"
 	"log/slog"
+	"openquell/config"
 	"openquell/util"
 	"os"
 	"path/filepath"
+	"sort"
 	"strings"
 
 	"github.com/hajimehoshi/ebiten/v2"
@@ -28,9 +30,10 @@ type Tile struct {
 	Renderable  bool
 	Velocity    bool
 	Collectible bool
-	Obstacle    bool
 	Particle    int // -1=unused, 0-3 = show image of slice
 	Particles   []*ebiten.Image
+	Obstacle    bool
+	Direction   int // obstacles
 }
 
 func NewTilePlayer() *Tile {
@@ -65,7 +68,7 @@ func NewTileCollectible(class string) *Tile {
 	}
 }
 
-func NewTileObstacle(class string) *Tile {
+func NewTileObstacle(class string, direction int) *Tile {
 	return &Tile{
 		Id:         '+',
 		Sprite:     Assets[class],
@@ -73,6 +76,7 @@ func NewTileObstacle(class string) *Tile {
 		Solid:      false,
 		Renderable: true,
 		Obstacle:   true,
+		Direction:  direction,
 	}
 }
 
@@ -121,7 +125,11 @@ func InitTiles() TileRegistry {
 		'#': NewTileBlock("block-grey32"),
 		'S': NewTilePlayer(),
 		'o': NewTileCollectible("collectible-orange"),
-		'+': NewTileObstacle("obstacle-star"),
+		'+': NewTileObstacle("obstacle-star", config.All),
+		'^': NewTileObstacle("obstacle-north", config.North),
+		'v': NewTileObstacle("obstacle-south", config.South),
+		'<': NewTileObstacle("obstacle-east", config.East),
+		'>': NewTileObstacle("obstacle-west", config.West),
 		'*': NewTileParticle([]string{
 			//"particle-ring-1",
 			"particle-ring-2",
@@ -143,6 +151,10 @@ func LoadLevels(dir string) []RawLevel {
 		log.Fatalf("failed to read level dir %s: %s", dir, err)
 	}
 
+	sort.Slice(entries, func(i, j int) bool {
+		return entries[i].Name() < entries[j].Name()
+	})
+
 	for _, levelfile := range entries {
 		if levelfile.Type().IsRegular() && strings.Contains(levelfile.Name(), ".lvl") {
 			path := filepath.Join("assets", dir)