🎉 ✨ moving player.

.gitignore

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+*~*
+*\#*
+__pycache__

actors/actor.py

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+import pygame
+import numpy as np
+
+class Actor:
+    def __init__(self, world):
+        self.world = world
+        self.pos = np.array([64.0, 64.0])
+        self.size = np.array([48.0, 48.0])
+        self.color = pygame.Color(0, 0, 255)
+        self.speed = 192.0
+
+    def draw(self, screen):
+        pygame.draw.rect(screen, self.color, (
+            self.pos[0] - self.size[0]/2, 
+            self.pos[1] - self.size[1]/2,
+            self.size[0],
+            self.size[1]
+        ))
+
+    def update(self, dt):
+        pass
+
+    def phy_update(self, dt):
+        pass
+

actors/player.py

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+import pygame
+import numpy as np
+from . import actor
+
+class Player(actor.Actor):
+    def __init__(self, world):
+        super().__init__(world)
+
+    def phy_update(self, dt):
+        pass
+
+    def update(self, dt):
+        delta = np.array([0.0, 0.0])
+        keys = pygame.key.get_pressed()
+
+        if keys[pygame.K_z] or keys[pygame.K_w]:
+            delta[1] -= 1.0
+
+        if keys[pygame.K_s]:
+            delta[1] += 1.0
+
+        if keys[pygame.K_q] or keys[pygame.K_a]:
+            delta[0] -= 1.0
+
+        if keys[pygame.K_d]:
+            delta[0] += 1.0
+
+        norm = np.linalg.norm(delta)
+        if norm > 0:
+            delta /= norm
+            delta *= self.speed
+
+        self.pos += delta * dt
+
+
+

doc/features.txt

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+* Actor can move
+* Load Map
+* Map Collision
+* Actors can Shoot
+* Actors can die
+* NPC states
+** Idle
+** Purchasing
+** Fighting
+** Dead
+
+* Part I: The Desert
+** Follow Radar Instructions
+** Kill Some Desert Snakes
+** Enter the Bunker
+
+* Part II: The Bunker
+** Shoot at enemies
+** Find and Activate Nuclear Weapons
+
+* Part III: Enemies Waves
+** Survive

main.py

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+import pygame
+import world
+
+pygame.init()
+screen = pygame.display.set_mode((800, 600))
+running = True
+clock = pygame.time.Clock()
+my_world = world.World()
+dt = 0.0
+phy_timer = 0.0
+phy_time = 0.2
+
+if __name__ == '__main__':
+    
+    while running:
+        start = pygame.time.get_ticks()
+
+        for event in pygame.event.get():
+            if event.type == pygame.QUIT:
+                running = False
+
+        screen.fill('black')
+        my_world.update(dt)
+
+        if phy_timer >= phy_time:
+            my_world.phy_update(phy_time)
+            phy_timer = 0.0
+        phy_timer += dt
+
+        my_world.draw(screen)
+        pygame.display.flip()
+        clock.tick(60)
+        dt = (pygame.time.get_ticks() - start)/1000.0

requirements.txt

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+numpy==1.26.4
+pygame==2.5.2

world/__init__.py

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+import pygame
+from actors import player
+
+class World:
+    def __init__(self):
+        self.actors = [player.Player(self)]
+
+    def draw(self, screen):
+        for actor in self.actors:
+            actor.draw(screen)
+
+    def update(self, dt):
+        for actor in self.actors:
+            actor.update(dt)
+
+    def phy_update(self, dt):
+        for actor in self.actors:
+            actor.phy_update(dt)