Tree Generator v1.23.0: Blattwerk auf die Zweige streuen

Blatt-Card waehlen -> wird auf die duennen Zweige gestreut (Filter ueber das
Radius-Attribut des Meshes) und als <Name>_Leaf mit identischem Ursprung abgelegt.
Regler fuer Dichte, Groesse, Streuung, Kippung, Zweig-Schwelle. Der Button meldet
Stamm + Blatt = Summe und warnt bei Ueberschreitung des Tri-Budgets.

Gemessen: Eiche 1428 + Blattwerk 1032 = 2460 von 2500 Tris bei Default-Dichte 150.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

tests/test_leaves.py

@@ -0,0 +1,61 @@
+import bpy, sys, zipfile, os, tempfile, importlib.util, math, bmesh
+ZIP=r"A:\eco\stylized_rock_generator\dist\stylized_tree_generator-1.23.0.zip"
+tmp=tempfile.mkdtemp()
+with zipfile.ZipFile(ZIP) as z: z.extractall(tmp)
+init=[os.path.join(r,"__init__.py") for r,_,f in os.walk(tmp) if "__init__.py" in f][0]
+spec=importlib.util.spec_from_file_location("stg",init)
+m=importlib.util.module_from_spec(spec); sys.modules["stg"]=m; spec.loader.exec_module(m)
+try: m.unregister()
+except Exception: pass
+m.register()
+fails=[]
+for o in list(bpy.data.objects): bpy.data.objects.remove(o,do_unlink=True)
+
+# Card wie beim User
+me=bpy.data.meshes.new("DiamondCard"); bm=bmesh.new()
+for ang in (0.0, math.pi/3, 2*math.pi/3):
+    c,s_=math.cos(ang), math.sin(ang)
+    vs=[bm.verts.new(p) for p in [(-c,-s_,-1.41),(c,s_,-1.41),(c,s_,1.41),(-c,-s_,1.41)]]
+    bm.faces.new(vs)
+bm.to_mesh(me); bm.free(); me.uv_layers.new(name="UVMap")
+card=bpy.data.objects.new("Diamon Plane", me); bpy.context.collection.objects.link(card)
+
+s=bpy.context.scene.tree_gen_settings
+s.preset='eiche'; s.art_name="Eiche"; s.variant=1
+s.leaf_card=card; s.leaf_size=0.22   # Dichte: Default verwenden
+s.make_leaf=True; s.use_growth=False
+r=bpy.ops.object.treegen_create()
+names=sorted(o.name for o in bpy.context.scene.objects if o.type=='MESH')
+print("OBJEKTE:", [n for n in names if n!="Diamon Plane"])
+if "Eiche_01" not in names or "Eiche_01_Leaf" not in names: fails.append("objekte")
+bpy.context.view_layer.update()
+dg=bpy.context.evaluated_depsgraph_get()
+def tris(n):
+    ob=bpy.context.scene.objects[n]
+    return sum(len(p.vertices)-2 for p in ob.evaluated_get(dg).data.polygons)
+tt,tl=tris("Eiche_01"), tris("Eiche_01_Leaf")
+print("TRIS Stamm=%d Blatt=%d Summe=%d / 2500 %s (Dichte %.0f)" % (tt,tl,tt+tl,"OK" if tt+tl<=2500 else "UEBER", s.leaf_density))
+if tl==0: fails.append("blattwerk_leer")
+if tt+tl>2500: fails.append("budget")
+# Ursprung deckungsgleich
+a=bpy.context.scene.objects["Eiche_01"]; b=bpy.context.scene.objects["Eiche_01_Leaf"]
+d=(a.location-b.location).length
+print("URSPRUNG-Abstand: %.6f" % d)
+if d>1e-6: fails.append("ursprung")
+# Operator auf Auswahl
+for o in bpy.context.selected_objects: o.select_set(False)
+a.select_set(True); bpy.context.view_layer.objects.active=a
+r2=bpy.ops.object.treegen_leaves()
+print("OPERATOR treegen_leaves:", list(r2))
+if 'FINISHED' not in r2: fails.append("operator")
+# Ohne Card -> leeres _Leaf
+for o in list(bpy.data.objects):
+    if o.name.startswith("Eiche"): bpy.data.objects.remove(o,do_unlink=True)
+s.leaf_card=None; s.art_name="Birke"; s.preset='birke'
+bpy.ops.object.treegen_create()
+lf=bpy.context.scene.objects.get("Birke_01_Leaf")
+print("ohne Card -> _Leaf vorhanden:", lf is not None, "| leer:", lf and len(lf.data.polygons)==0)
+if lf is None: fails.append("leer_leaf")
+m.unregister()
+print("ERGEBNIS:", "ALLE CHECKS OK" if not fails else "FEHLER: "+", ".join(fails))
+sys.exit(1 if fails else 0)