Refactor into cmd, engine and game packages to make the code more clear

engine/render/tile.go

@@ -0,0 +1,28 @@
+package render
+
+import (
+	"pacman/game/assets"
+
+	rl "github.com/gen2brain/raylib-go/raylib"
+)
+
+// DrawTile draws a single tile at the specified tile coordinates (x, y).
+//
+// The coordinates are in tile space, not pixels. The top-left tile is (0, 0),
+// and the bottom-right is (27, 35) given the fixed resolution and tile size.
+//
+// The appearance of the tile is determined by the provided assets.Tile value.
+func DrawTile(x, y uint8, tile assets.Tile) {
+	px := int32(x) * TileSize
+	py := int32(y) * TileSize
+
+	// For now, just draw simple circles and rectangles.
+	switch tile {
+	case assets.TILE_PELLET:
+		rl.DrawCircle(px+(TileSize/2), py+(TileSize/2), 1, rl.Beige)
+	case assets.TILE_POWER_PELLET:
+		rl.DrawCircle(px+(TileSize/2), py+(TileSize/2), 2, rl.Beige)
+	case assets.TILE_WALL:
+		rl.DrawRectangle(px, py, TileSize, TileSize, rl.DarkBlue)
+	}
+}