Merge pull request 'Add AI agent movement' (#5) from AddAgentMovement into master

Reviewed-on: #5
Reviewed-by: Emil Gutkiewicz <emigut@st.amu.edu.pl>

main.py

@@ -7,6 +7,16 @@ FPS = 30
 AGENT_IMG = pygame.image.load("dot-22-433567.png")
 AGENT = pygame.transform.scale(AGENT_IMG, (50, 50))
 
+def agent_movement(keys_pressed, agent):
+    if keys_pressed[pygame.K_LEFT] and agent.x > 0:
+        agent.x -= 50
+    if keys_pressed[pygame.K_RIGHT] and agent.x < 750:
+        agent.x += 50
+    if keys_pressed[pygame.K_UP] and agent.y > 0:
+        agent.y -= 50
+    if keys_pressed[pygame.K_DOWN] and agent.y < 750:
+        agent.y += 50
+
 
 def draw_window(agent):
         WIN.fill((255,255,255))
@@ -19,10 +29,13 @@ def main():
     agent = pygame.Rect(0, 0, 50, 50)
   
     while run:
+        clock.tick(FPS)
         for event in pygame.event.get():
             if event.type == pygame.QUIT:
                 run = False
         draw_window(agent)
+        keys_pressed = pygame.key.get_pressed()
+        agent_movement(keys_pressed, agent)
       
     pygame.quit()