# Lunar Lander

from machine import Pin, SPI
import time
import utime
import LCD

a2d0 = machine.ADC(0)
a2d1 = machine.ADC(1)

B0 = Pin(15, Pin.IN, Pin.PULL_UP)
B1 = Pin(14, Pin.IN, Pin.PULL_UP)  

led = Pin(17, Pin.OUT)
led2 = Pin(16, Pin.OUT)

a2d0 = machine.ADC(0)
a2d1 = machine.ADC(1)

DataX = [];
DataY = [];

# Main Routine

led.value(1)
LCD.Init()

Navy = LCD.RGB(0, 0, 5)
White = LCD.RGB(150,150,150)
LtGreen = LCD.RGB(50,150,50)
DkGreen = LCD.RGB(0,100,0)
Yellow = LCD.RGB(150,150,0)
Pink = LCD.RGB(150,50,100)
Grey = LCD.RGB(50,50,50)

flag =0
while(flag == 0):
    if(B1.value() == 0):
        flag = 1
        
    LCD.Clear(Navy) 
    LCD.Text2('Lunar Lander Game',125, 10, LtGreen, Navy)
    LCD.Text('rev 03/16/24  JSG',180, 40, DkGreen, Navy)

    LCD.Line(0,300,480,300,White)
    LCD.Line(240,305,240,295,White)

    x = 10.0
    y = 250.0
    dx = 0.0
    dy = 0.0
    dt = 0.1

    x0 = a2d0.read_u16()/2000 
    y0 = a2d1.read_u16()/2000 
    by = 320

bx = 320
    
    while( y > 0 ):
        fx = a2d0.read_u16()/2000 - x0
        fy = a2d1.read_u16()/2000 - y0
  
        ddx = fx
        ddy = fy - 2.35
 
        LCD.Lander(x,300-y,Navy)
        x = x + dx*dt
        y = y + dy*dt
    
        dx = dx + ddx*dt
        dy = dy + ddy*dt
   
        LCD.Lander(x,300-y,White)

        LCD.Box(400,300,420,bx,Navy)
        LCD.Box(422,300,442,by,Navy)
        by = int(300-fy*10)
        bx = int(300-fx*10)
        LCD.Box(400,300,420,bx,White)
        LCD.Box(422,300,442,by,White)
       
        time.sleep(0.01)
        

    LCD.Text2('Impact Velocity = ',10,100,Yellow, Navy)
    LCD.Number2(abs(dy), 6, 3, 300, 100, Yellow, Navy)
    LCD.Text2('Error(x) = ',10,132, Pink, Navy)
    LCD.Number2(abs(x-240), 6, 3, 300, 132, Pink, Navy)
    LCD.Text('Press Button 0 to Continue', 130, 170, Grey, Navy)

    while( (B0.value() == 1) & (B1.value() == 1)):
        if(B1.value() == 0):
            flag = 1
         
print('Game Over')