change 7v7 3v3 FIFA code

world/commons/field.py

@@ -48,3 +48,15 @@ class HLAdultField(Field):
     @override
     def get_length(self):
         return 14
+
+class Soccer7vs7Field(Field):
+    def __init__(self, world):
+        super().__init__(world)
+
+    @override
+    def get_width(self):
+        return 36
+
+    @override
+    def get_length(self):
+        return 55

world/world.py

@@ -1,7 +1,7 @@
 from dataclasses import Field
 import numpy as np
 from world.commons.other_robot import OtherRobot
-from world.commons.field import FIFAField, HLAdultField
+from world.commons.field import FIFAField, HLAdultField, Soccer7vs7Field
 from world.commons.play_mode import PlayModeEnum, PlayModeGroupEnum
 
 
@@ -62,5 +62,7 @@ class World:
     def __initialize_field(self, field_name: str) -> Field:
         if field_name in ('hl_adult', 'hl_adult_2020', 'hl_adult_2019',):
             return HLAdultField(world=self)
+        elif field_name in ('sim3d_7vs7'):
+            return Soccer7vs7Field(world=self)
         else:
             return FIFAField(world=self)