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'''
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深圳市普中科技有限公司（PRECHIN 普中）
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技术支持：www.prechin.net
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PRECHIN
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普中
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实验名称：按键控制实验
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接线说明：OLED(IIC)液晶模块-->ESP32 IO
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VCC --> 5V
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GND --> GND
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SCL --> 18
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SDA --> 23
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按键模块-->ESP32 IO
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K1 --> 14
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实验现象：程序下载成功后，按下K1操作小恐龙的起跳
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'''
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# 导入
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from machine import Pin, SoftI2C
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from ssd1306 import SSD1306_I2C
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import time, random
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# 初始化IIC-OLED显示屏
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i2c = SoftI2C(sda=Pin(23),scl=Pin(18))
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oled = SSD1306_I2C(128,64,i2c,addr=0x3c)
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# 创建按键对象
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K1 = Pin(14,Pin.IN,Pin.PULL_UP)
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# 创建游戏时间
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get_time = time.time()
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game_time = time.time()
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# 刷新率为40，跳起时每秒加1
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jump = 0
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jump_num = [0,8,15,21,25,29,32,34,35] # 跳起高度
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down = False # 用于判断jump自加还是自减
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# 分数
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score = 0
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# 生命值
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life = 3
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# 判断游戏结束
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game = True
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# 距离
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far = 0
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# 障碍物：方块距离随机生成，30到50像素之间
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box1 = random.randint(30,40)
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box2 = random.randint(30,40) + box1
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box3 = random.randint(30,40) + box2
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box4 = random.randint(30,40) + box3
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speed = 2 # 速度（障碍物每帧移动的像素点）
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# 循环
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while True:
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if game:
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# 触发跳起动作
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if K1.value()==0 and jump == 0:
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jump = 1
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if jump != 0:
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jump += 1 if not down else -1
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if jump == 0:
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down = False
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score += 1
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if jump == 8:
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down = True # 跳到最高点下落
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far += speed # 移动的距离按速度累加（实际是障碍物移动的距离）
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oled.fill(0) # 清空屏幕显示
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oled.line(0,63,128,63,1) # 底线(屏幕最下边游戏线条)
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# 显示生命值、分数和时间
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oled.text('LF:'+str(life),0,1)
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oled.text('SC:'+str(score),45,1)
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get_time = 'S:'+str(int(time.time()-game_time))
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oled.text(get_time,95,1)
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#画小恐龙的外形
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for i in range(6):
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oled.line(15-i,51-jump_num[jump],15-i,58-jump_num[jump],1)
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oled.line(17-i,51-jump_num[jump],17-i,54-jump_num[jump],1)
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oled.line(11-i,55-jump_num[jump],11,58-jump_num[jump],1)
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oled.line(14,55-jump_num[jump],14,60-jump_num[jump],1)
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oled.line(10,55-jump_num[jump],10,60-jump_num[jump],1)
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oled.line(14,52-jump_num[jump],14,53-jump_num[jump],0)
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oled.line(13,52-jump_num[jump],13,53-jump_num[jump],0)
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#画障碍物
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for i in range(8):
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oled.line(i+box1-far,55,i+box1-far,61,1)
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for i in range(8):
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oled.line(i+box2-far,55,i+box2-far,61,1)
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for i in range(8):
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oled.line(i+box3-far,55,i+box3-far,61,1)
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for i in range(8):
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oled.line(i+box4-far,55,i+box4-far,61,1)
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#判断当前障碍物过了屏幕，就把它变最后一个
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if box1+8-far <= 0:
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box1 = box2
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box2 = box3
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box3 = box4
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box4 = box3 + random.randint(30,40)
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#判断是否碰到障碍物
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if 14 > box1-far > 2 and 60-jump_num[jump] > 55:
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life -= 1
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if life:
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jump = 0
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far = 0
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box1 = random.randint(30, 40)
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box2 = random.randint(30, 40) + box1
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box3 = random.randint(30, 40) + box2
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box4 = random.randint(30, 40) + box3
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else:
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game = False
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score = 0
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else:
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oled.fill_rect(0,1,45,10,0)
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oled.text('LF:'+str(life),0,1)
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oled.text('SC:'+str(score),45,1)
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oled.text('GAME_OVER',128//2-40,30)
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# 游戏结束之后，再次按下按键等待两秒钟再重新开始游戏
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if K1.value()==0:
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time.sleep(2)
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game_time = time.time()
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game = True
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far = 0
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life = 3
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box1 = random.randint(30,40)
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box2 = random.randint(30,40) + box1
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box3 = random.randint(30,40) + box2
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box4 = random.randint(30,40) + box3
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speed = 2
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continue
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time.sleep(1/40)
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oled.show()
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