# 玩家类
from module import WIDTH, HEIGHT, JUMP_FORCE


class Player:
    def __init__(self):
        self.x = WIDTH // 2
        self.y = HEIGHT // 2
        self.velocity = 0
        self.on_ground = False
        self.selected_block = "grass"

    def move(self, dx, dy):
        new_x = self.x + dx
        new_y = self.y + dy
        if 0 <= new_x < WIDTH and 0 <= new_y < HEIGHT:
            self.x = new_x
            self.y = new_y

    def jump(self):
        if self.on_ground:
            self.velocity = JUMP_FORCE
            self.on_ground = False