feat(path): switch to single Z-shaped path with inset start/end; disable multi-path lanes; update docs

README.md

@@ -8,4 +8,6 @@ pinned: false
 short_description: A tower defense game made with GPT-5
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+Single-path Z-shaped map: enemies now follow one zigzagging road from the top edge to the bottom edge. The previous 3-lane branching feature has been disabled.
+
+Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference

src/config/gameConfig.js

@@ -159,56 +159,28 @@ export function getWaveParams(n) {
 export const GROUND_SIZE = 72; // slightly larger to allow wider spacing
 export const GRID_CELL_SIZE = 2;
 
-// Path waypoints (edge-to-edge). Balanced zigzag: start on top edge, end on bottom edge,
-// with evenly spaced turns through central lanes. All interior points are ≥ 4 cells
-// from edges to keep tower placement meaningful across the board.
+// Single-path Z-shaped waypoints from top to bottom.
+// Snakes left↔right across the board with vertical steps.
 const HALF = GROUND_SIZE / 2;
-const PATH_MARGIN = 4 * GRID_CELL_SIZE; // 4 squares (8 units)
-// Legacy single path kept for backward-compat. Now we support branching paths.
-// Center lane mirrors the middle branch of PATHS below.
-const SPLIT_Z = HALF - 12; // branch a bit further from edge (12u)
-const REJOIN_Z = -HALF + 12; // rejoin a bit further from edge (12u)
-const LANE_OFFSET_X = 20; // slightly narrower than before
-
+const PATH_MARGIN = 4 * GRID_CELL_SIZE; // 4 squares (8 units) from edges
+const LEFT_X = -HALF + PATH_MARGIN;
+const RIGHT_X = HALF - PATH_MARGIN;
+const MID_Z = 0; // middle of the board
+// Inset start/end vertical lines a bit further from side edges
+const EDGE_INSET = 5 * GRID_CELL_SIZE; // 5 cells inward (10 units)
+const LEFT_X_IN = LEFT_X + EDGE_INSET;
+const RIGHT_X_IN = RIGHT_X - EDGE_INSET;
+
+// Exactly 3 turns: right at top, down at top-right, left at mid, down at mid-left
 export const PATH_POINTS = [
-  // Entry straight down the middle
-  new THREE.Vector3(0, 0, HALF), // (0, 36)
-  new THREE.Vector3(0, 0, SPLIT_Z),
-  // Middle lane continues straight through the split area
-  new THREE.Vector3(0, 0, REJOIN_Z),
-  // Exit to bottom edge
-  new THREE.Vector3(0, 0, -HALF), // (0, -36)
+  new THREE.Vector3(RIGHT_X_IN, 0, HALF),   // start top-right, straight down (inset)
+  new THREE.Vector3(RIGHT_X_IN, 0, MID_Z),  // vertical start segment
+  new THREE.Vector3(LEFT_X_IN, 0, MID_Z),   // horizontal across the middle
+  new THREE.Vector3(LEFT_X_IN, 0, -HALF),   // vertical to bottom exit (inset)
 ];
 
-// New 3-lane path layout: long split zone and wide lateral separation.
-// Enemies will be assigned one of these at spawn.
-export const PATHS = [
-  // Left lane: go left at split, travel down, then rejoin center
-  [
-    new THREE.Vector3(0, 0, HALF), // start top center
-    new THREE.Vector3(0, 0, SPLIT_Z), // approach split
-    new THREE.Vector3(-LANE_OFFSET_X, 0, SPLIT_Z), // branch left
-    new THREE.Vector3(-LANE_OFFSET_X, 0, REJOIN_Z), // long split zone
-    new THREE.Vector3(0, 0, REJOIN_Z), // rejoin center
-    new THREE.Vector3(0, 0, -HALF), // exit bottom center
-  ],
-  // Middle lane: continue straight through the split
-  [
-    new THREE.Vector3(0, 0, HALF),
-    new THREE.Vector3(0, 0, SPLIT_Z),
-    new THREE.Vector3(0, 0, REJOIN_Z),
-    new THREE.Vector3(0, 0, -HALF),
-  ],
-  // Right lane: go right at split, travel down, then rejoin center
-  [
-    new THREE.Vector3(0, 0, HALF),
-    new THREE.Vector3(0, 0, SPLIT_Z),
-    new THREE.Vector3(LANE_OFFSET_X, 0, SPLIT_Z), // branch right
-    new THREE.Vector3(LANE_OFFSET_X, 0, REJOIN_Z), // long split zone
-    new THREE.Vector3(0, 0, REJOIN_Z), // rejoin center
-    new THREE.Vector3(0, 0, -HALF),
-  ],
-];
+// Disable multi-path branching; keep empty to fallback everywhere to PATH_POINTS
+export const PATHS = [];
 
 // Visual settings
 export const SCENE_BACKGROUND = 0x202432;