from tkinter import Tk, Canvas, mainloop, PhotoImage
import time

window = Tk()
canvas = Canvas(window, width=1000, height=800)
canvas.pack()


canvas.create_rectangle(0, 780, 1000, 800, fill="Gray", outline="Gray")
canvas.create_rectangle(200, 600, 400, 620, fill="Gray", outline="Gray")


playerObject =canvas.create_rectangle(20,720,52,752, fill="Red")

actor_vy = 2.5
actor_vx = 0.0
delay = 5

def go_left(event):
    global actor_vx
    actor_vx = -5.0
    delay = 2

def go_right(event):
    global actor_vx
    actor_vx = 5.0
    delay = 2

def jump(event):
    global actor_vy
    x1, y1, x2, y2 = canvas.coords(playerObject)
    o = canvas.find_overlapping(x1, y1, x2, y2)
    for item in o:
        if item != playerObject:
            actor_vy = -8.0

def game_update():
    window.after(10, game_update)
    global actor_vx
    global delay
    canvas.move(playerObject, int(actor_vx), 0)
    if delay > 0:
        delay -= 1
    else:
        if actor_vx > 0:
            actor_vx -= 0.1
        elif actor_vx < 0:
            actor_vx +=  0.1


def gravity_update():
    window.after(10, gravity_update)
    global actor_vy
    canvas.move(playerObject, 0 ,int(actor_vy))
    x1, y1, x2, y2 = canvas.coords(playerObject)
    o = canvas.find_overlapping(x1,y1,x2,y2)
    for item in o:
        if item != playerObject:
            actor_vy = 0.0
        else:
            actor_vy += 0.25

def groudCollisionUp():
    window.after(5, groudCollisionUp)
    x1, y1, x2, y2 = canvas.coords(playerObject)
    o = canvas.find_overlapping(x1,y1+31,x2,y2-1)
    for item in o:
        if item != playerObject:
            canvas.move(playerObject, 0, -1)


def groundCollisionDown():
    window.after(5, groundCollisionDown)
    x1, y1, x2, y2 = canvas.coords(playerObject)
    o = canvas.find_overlapping(x1, y1, x2, y2-32)
    for item in o:
        if item != playerObject:
            canvas.move(playerObject, 0, 1)



window.bind('<Left>', go_left)
window.bind('<Right>', go_right)
window.bind('<space>', jump)

window.after(5, groundCollisionDown)
window.after(5, groudCollisionUp)
window.after(10, game_update)
window.after(10, gravity_update)

mainloop()