Files
pixel_tower_defense/game/enemy.py
T

63 lines
1.6 KiB
Python

from game.util import *
import pygame as pg
class Enemy(pg.sprite.Group):
def __init__(self, game, speed, health):
super().__init__()
self.game = game
self.waypoints = self.game.tilemap.waypoints
print(self.waypoints)
self.speed = speed
self.health = health
self.image = self.game.assets['enemy']
self.rect = self.image.get_rect()
self.pos = pg.Vector2(
tile_to_pixel(self.waypoints[0], self.game.tilemap.tile_size, True)
)
self.target_index = 1
self.rect.center = self.pos
def update(self):
if self.target_index >= len(self.waypoints):
return
tile_size = self.game.tilemap.tile_size
target = pg.Vector2(
tile_to_pixel(
self.waypoints[self.target_index],
tile_size,
True
)
)
direction = target - self.pos
distance = direction.length()
if distance <= self.speed:
self.pos = target
self.target_index += 1
else:
direction = direction.normalize()
self.pos += direction * self.speed
self.rect.center = self.pos
def render(self, surf, camera):
zoom = camera.zoom
scaled_rect = self.rect.scale_by(zoom)
scaled_image = pg.transform.scale(
self.image,
(scaled_rect.size[0], scaled_rect.size[1])
)
scaled_pos = camera.world_to_screen(self.pos)
scaled_rect.center = scaled_pos
surf.blit(scaled_image, scaled_rect)