From dde690818b9aa33a8a0a9016aa8e40b1baf2bf96 Mon Sep 17 00:00:00 2001
From: LordBaryhobal <lordbaryhobal@gmail.com>
Date: Sat, 18 Oct 2025 21:56:14 +0200
Subject: [PATCH] feat: add simple track generator

---
 assets/tracks/simple/meta.json  |   8 +-
 assets/tracks/simple/track.json | 260 ++++++++++++++++++++++++++++----
 scripts/track_gen.py            |  40 +++++
 3 files changed, 272 insertions(+), 36 deletions(-)
 create mode 100644 scripts/track_gen.py

diff --git a/assets/tracks/simple/meta.json b/assets/tracks/simple/meta.json
index ee789cb..0fb5482 100644
--- a/assets/tracks/simple/meta.json
+++ b/assets/tracks/simple/meta.json
@@ -2,12 +2,12 @@
     "name": "Simple Track",
     "start": {
         "pos": [
-            0,
-            -3
+            30,
+            0
         ],
         "direction": [
-            1,
-            0
+            0,
+            1
         ]
     }
 }
\ No newline at end of file
diff --git a/assets/tracks/simple/track.json b/assets/tracks/simple/track.json
index 86a9515..9ee67c8 100644
--- a/assets/tracks/simple/track.json
+++ b/assets/tracks/simple/track.json
@@ -3,59 +3,255 @@
         "type": "road",
         "pts": [
             [
-                0,
-                -3,
-                0,
-                -1,
+                30.0,
+                0.0,
+                1.0,
+                0.0,
                 1
             ],
             [
-                2,
-                -2,
-                1,
-                -1,
+                29.544,
+                5.209,
+                0.985,
+                0.174,
                 1
             ],
             [
-                3,
-                0,
-                1,
-                0,
+                28.191,
+                10.261,
+                0.94,
+                0.342,
                 1
             ],
             [
-                2,
-                2,
-                1,
-                1,
+                25.981,
+                15.0,
+                0.866,
+                0.5,
                 1
             ],
             [
-                0,
-                3,
-                0,
-                1,
+                22.981,
+                19.284,
+                0.766,
+                0.643,
                 1
             ],
             [
-                -2,
-                2,
-                -1,
-                1,
+                19.284,
+                22.981,
+                0.643,
+                0.766,
                 1
             ],
             [
-                -3,
-                0,
-                -1,
-                0,
+                15.0,
+                25.981,
+                0.5,
+                0.866,
                 1
             ],
             [
-                -2,
-                -2,
-                -1,
-                -1,
+                10.261,
+                28.191,
+                0.342,
+                0.94,
+                1
+            ],
+            [
+                5.209,
+                29.544,
+                0.174,
+                0.985,
+                1
+            ],
+            [
+                0.0,
+                30.0,
+                0.0,
+                1.0,
+                1
+            ],
+            [
+                -5.209,
+                29.544,
+                -0.174,
+                0.985,
+                1
+            ],
+            [
+                -10.261,
+                28.191,
+                -0.342,
+                0.94,
+                1
+            ],
+            [
+                -15.0,
+                25.981,
+                -0.5,
+                0.866,
+                1
+            ],
+            [
+                -19.284,
+                22.981,
+                -0.643,
+                0.766,
+                1
+            ],
+            [
+                -22.981,
+                19.284,
+                -0.766,
+                0.643,
+                1
+            ],
+            [
+                -25.981,
+                15.0,
+                -0.866,
+                0.5,
+                1
+            ],
+            [
+                -28.191,
+                10.261,
+                -0.94,
+                0.342,
+                1
+            ],
+            [
+                -29.544,
+                5.209,
+                -0.985,
+                0.174,
+                1
+            ],
+            [
+                -30.0,
+                0.0,
+                -1.0,
+                0.0,
+                1
+            ],
+            [
+                -29.544,
+                -5.209,
+                -0.985,
+                -0.174,
+                1
+            ],
+            [
+                -28.191,
+                -10.261,
+                -0.94,
+                -0.342,
+                1
+            ],
+            [
+                -25.981,
+                -15.0,
+                -0.866,
+                -0.5,
+                1
+            ],
+            [
+                -22.981,
+                -19.284,
+                -0.766,
+                -0.643,
+                1
+            ],
+            [
+                -19.284,
+                -22.981,
+                -0.643,
+                -0.766,
+                1
+            ],
+            [
+                -15.0,
+                -25.981,
+                -0.5,
+                -0.866,
+                1
+            ],
+            [
+                -10.261,
+                -28.191,
+                -0.342,
+                -0.94,
+                1
+            ],
+            [
+                -5.209,
+                -29.544,
+                -0.174,
+                -0.985,
+                1
+            ],
+            [
+                -0.0,
+                -30.0,
+                -0.0,
+                -1.0,
+                1
+            ],
+            [
+                5.209,
+                -29.544,
+                0.174,
+                -0.985,
+                1
+            ],
+            [
+                10.261,
+                -28.191,
+                0.342,
+                -0.94,
+                1
+            ],
+            [
+                15.0,
+                -25.981,
+                0.5,
+                -0.866,
+                1
+            ],
+            [
+                19.284,
+                -22.981,
+                0.643,
+                -0.766,
+                1
+            ],
+            [
+                22.981,
+                -19.284,
+                0.766,
+                -0.643,
+                1
+            ],
+            [
+                25.981,
+                -15.0,
+                0.866,
+                -0.5,
+                1
+            ],
+            [
+                28.191,
+                -10.261,
+                0.94,
+                -0.342,
+                1
+            ],
+            [
+                29.544,
+                -5.209,
+                0.985,
+                -0.174,
                 1
             ]
         ]
diff --git a/scripts/track_gen.py b/scripts/track_gen.py
new file mode 100644
index 0000000..a482d15
--- /dev/null
+++ b/scripts/track_gen.py
@@ -0,0 +1,40 @@
+import json
+from math import radians
+from pathlib import Path
+from src.utils import ROOT
+from src.vec import Vec
+
+
+def gen_circle(
+    folder: Path, center: Vec, radius: float, n_sides: int, width: float = 1
+):
+    with open(folder / "track.json", "w") as f:
+        pts: list[tuple[float, ...]] = []
+
+        for i in range(n_sides):
+            angle: float = radians(i / n_sides * 360)
+            v: Vec = Vec(1, 0).rotate(angle)
+            pos: Vec = center + v * radius
+            normal: Vec = v
+            pts.append((pos.x, pos.y, normal.x, normal.y, width))
+
+        for i, pt in enumerate(pts):
+            pts[i] = tuple(round(v, 3) for v in pt)
+
+        json.dump([{"type": "road", "pts": pts}], f, indent=4)
+
+    with open(folder / "meta.json", "r") as f:
+        meta: dict = json.load(f)
+
+    meta["start"] = {"pos": [radius, 0], "direction": [0, 1]}
+    with open(folder / "meta.json", "w") as f:
+        json.dump(meta, f, indent=4)
+
+
+def main():
+    folder: Path = ROOT / "assets" / "tracks" / "simple"
+    gen_circle(folder, Vec(0, 0), 30, 36)
+
+
+if __name__ == "__main__":
+    main()