Planet and spaceship creation, travel and destruction

components.py

@@ -0,0 +1,67 @@
+from dataclasses import dataclass, field
+from random import randrange
+
+
+def default_rotation():
+    return randrange(0, 359)
+
+
+@dataclass
+class Vector2D:
+    x: float
+    y: float
+
+    def __iadd__(self, other):
+        self.x += other.x
+        self.y += other.y
+        return self
+
+    def __add__(self, other):
+        return Vector2D(
+            x=self.x + other.x,
+            y=self.y + other.y,
+        )
+
+    def __sub__(self, other):
+        return Vector2D(
+            x=self.x - other.x,
+            y=self.y - other.y,
+        )
+
+    def __abs__(self):
+        return (self.x * self.x + self.y * self.y) ** 0.5
+
+
+@dataclass
+class Position(Vector2D):
+    pass
+
+
+@dataclass
+class Target(Vector2D):
+    pass
+
+
+@dataclass
+class Speed(Vector2D):
+    pass
+
+
+@dataclass
+class Color:
+    value: tuple[int, int, int, int]
+
+
+@dataclass
+class Radius:
+    value: int
+
+
+@dataclass
+class SpaceShipMarker:
+    pass
+
+
+@dataclass
+class PlanetMarker:
+    pass