Blender-Scanvorschau und Gruppenfoto ergänzen

tools/project_scan_cone.py

@@ -0,0 +1,15 @@
+"""Project fictional grave emitter into the existing animated camera."""
+import bpy, os, json, math
+from mathutils import Vector
+from bpy_extras.object_utils import world_to_camera_view
+root=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+bpy.ops.wm.open_mainfile(filepath=os.path.join(root,'preview/v4/halloween_dark_groan.blend'))
+s=bpy.context.scene;origin=Vector((0,1.48,1.02));end=Vector((3.25,-.65,1.2));direction=(end-origin).normalized()
+u=direction.cross(Vector((0,0,1))).normalized();v=direction.cross(u).normalized();records=[]
+def project(p):
+ c=world_to_camera_view(s,s.camera,p);return [c.x*1280,(1-c.y)*720]
+for f in range(198,274):
+ s.frame_set(f);ring=[project(end+.72*(u*math.cos(i*math.tau/40)+v*math.sin(i*math.tau/40))) for i in range(40)]
+ records.append({'frame':f,'origin':project(origin),'ring':ring})
+path=os.path.join(root,'preview/v4/scan_assets');os.makedirs(path,exist_ok=True)
+with open(os.path.join(path,'projection.json'),'w') as out:json.dump(records,out)