the complete menu: aperitif CRT terminal + courses III node/pod, IV traffic, V orbit - five animation personalities, clip-split and reverse slice modes

tools/slice-arc.py

@@ -62,6 +62,11 @@ def emit(name, tag, spec):
     for part in spec["parts"]:
         xs = np.concatenate([comps[i]["xs"] for i in part["comps"]])
         ys = np.concatenate([comps[i]["ys"] for i in part["comps"]])
+        if "clip" in part:
+            x0, y0, x1, y1 = part["clip"]
+            W2, H2 = W, lum.shape[0]
+            keep = (xs >= x0*W2) & (xs < x1*W2) & (ys >= y0*H2) & (ys < y1*H2)
+            xs, ys = xs[keep], ys[keep]
         pts = np.stack([xs, ys], 1).astype(np.float64)
         hull = ConvexHull(pts)
         poly = pts[hull.vertices]
@@ -77,7 +82,10 @@ def emit(name, tag, spec):
             z=part.get("z", 0),
             points=[[round(float(x) / W * 100, 2), round(float(y) / h * 100, 2)] for x, y in poly],
             cx=round(float(np.mean(xs)) / W * 100, 2), cy=round(float(np.mean(ys)) / h * 100, 2)))
-    ax, ay = next((p["cx"], p["cy"]) for p in parts if p["name"] == spec["anchor"])
+    if "anchor_xy" in spec:
+        ax, ay = spec["anchor_xy"]
+    else:
+        ax, ay = next((p["cx"], p["cy"]) for p in parts if p["name"] == spec["anchor"])
     for p in parts:
         nest = spec.get("nest_overrides", {}).get(p["name"], spec.get("nest", 0.72))
         p["dx"] = round((ax - p["cx"]) * nest, 2)
@@ -86,6 +94,8 @@ def emit(name, tag, spec):
     man = dict(scene=tag, source=f"assets/raw/{name}", parts=parts)
     if "stagger" in spec:
         man["stagger"] = spec["stagger"]
+    if spec.get("reverse"):
+        man["reverse"] = True
     out = ROOT / "pilot" / f"manifest-{tag}.json"
     out.write_text(json.dumps(man, indent=1))
     print(f"manifest-{tag}.json: {len(parts)} parts ->",
@@ -94,7 +104,12 @@ def emit(name, tag, spec):
 if __name__ == "__main__":
     mode, scenes_json, outdir = sys.argv[1], sys.argv[2], sys.argv[3]
     scenes = json.loads(pathlib.Path(scenes_json).read_text()) if mode == "emit" else None
-    heroes = [("course-II-cluster.jpeg", "cluster"),
+    heroes = [("course-00-surround.jpeg", "surround"),
+              ("course-III-node.jpeg", "node"),
+              ("course-III-pod.jpeg", "pod"),
+              ("course-IV-traffic.jpeg", "traffic"),
+              ("course-V-orbit.jpeg", "orbit"),
+              ("course-II-cluster.jpeg", "cluster"),
               ("course-VI-gitops.jpeg", "gitops"),
               ("course-VII-supply-chain.jpeg", "supply"),
               ("course-VIII-helm-press.jpeg", "helm")]