drawing player

circleshape.py

@@ -0,0 +1,22 @@
+import pygame
+
+# Base class for game objects
+class CircleShape(pygame.sprite.Sprite):
+    def __init__(self, x, y, radius):
+        # we will be using this later
+        if hasattr(self, "containers"):
+            super().__init__(self.containers)
+        else:
+            super().__init__()
+
+        self.position = pygame.Vector2(x, y)
+        self.velocity = pygame.Vector2(0, 0)
+        self.radius = radius
+
+    def draw(self, screen):
+        # sub-classes must override
+        pass
+
+    def update(self, dt):
+        # sub-classes must override
+        pass

constants.py

@@ -1,6 +1,6 @@
 SCREEN_WIDTH = 1280
 SCREEN_HEIGHT = 720
-
+PLAYER_RADIUS = 20
 ASTEROID_MIN_RADIUS = 20
 ASTEROID_KINDS = 3
 ASTEROID_SPAWN_RATE = 0.8  # seconds

main.py

@@ -2,6 +2,7 @@ import pygame
 import sys
 
 from constants import *
+from player import Player
 
 def main():
     print("Starting Asteroids!")
@@ -19,12 +20,17 @@ def main():
     time = pygame.time.Clock()
     dt = 0
 
+    player = Player(SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2)
+
     while True:
         for event in pygame.event.get():
             if event.type == pygame.QUIT:
                 return
 
         pygame.Surface.fill(screen, (0,0,0))
+
+        player.draw(screen)
+
         pygame.display.flip() #refresh screen
 
         dt = time.tick(60) / 1000 #conveted to ms

player.py

@@ -0,0 +1,22 @@
+import pygame
+from circleshape import CircleShape
+from constants import PLAYER_RADIUS
+
+
+class Player(CircleShape):
+    def __init__(self, x, y):
+        super().__init__(x, y, PLAYER_RADIUS)
+        self.rotation = 0
+
+    # in the player class
+    def triangle(self):
+        forward = pygame.Vector2(0, 1).rotate(self.rotation)
+        right = pygame.Vector2(0, 1).rotate(self.rotation + 90) * self.radius / 1.5
+        a = self.position + forward * self.radius
+        b = self.position - forward * self.radius - right
+        c = self.position - forward * self.radius + right
+        return [a, b, c]
+
+    def draw(self, screen):
+        pygame.draw.polygon(screen, (255,255,255), self.triangle(), 2)
+