49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
import pygame
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import random
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from src.settings import (
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ITEM_SPAWN_INTERVAL, ITEM_SHOPPING_TIMER, ITEM_SIZE,
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COLOR_HP_BAR_YELLOW, COLOR_HP_BAR_BG
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)
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# try 50 times to find a free position to spawn item
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def _random_position(room_rect, blocked_rects):
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attempts = 0
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max_attempts = 50
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while attempts < max_attempts:
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# generate random x/y coordinates with room boundaries
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# * 2 to have a margin to walls
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x = random.randint(room_rect.left + ITEM_SIZE, room_rect.right - ITEM_SIZE * 2)
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y = random.randint(room_rect.top + ITEM_SIZE, room_rect.bottom - ITEM_SIZE * 2)
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# create a rect at this position for testing collision
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test_rect = pygame.Rect(x, y, ITEM_SIZE, ITEM_SIZE)
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blocked = False
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for b in blocked_rects:
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if test_rect.colliderect(b):
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blocked = True
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break
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# if position is not blocked, return the position
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if not blocked:
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return x, y
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attempts += 1
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# no spot after 50 attempts -> return
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return None
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# remove expired items
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def update(self, room_rect, blocked_rects):
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now = pygame.time.get_ticks()
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remaining_items = []
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for item in self.items:
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if item.is_expired() == False:
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remaining_items.append(item)
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# replace the old list with the new temp_list
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self.items = remaining_items
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