import random
from random import *
from math import *
import pygame
from OpenGL.GL import *
from OpenGL.GLU import *
from pygame.locals import *

going_left = False
going_right = False
going_up = False
going_down = False
x_pos = 100
y_pos = 100
game_width = 800
game_height = 600


def init_game():
    pygame.display.init()
    pygame.display.set_mode((game_width, game_height), DOUBLEBUF | OPENGL)
    glClearColor(0.0, 1.0, 0.1, 0.0)


def update():
    global x_pos
    global y_pos
    global going_left
    global going_right
    global going_down
    global going_up
    if going_left:
        x_pos -= 8
    if going_right:
        x_pos += 8
    if going_up:
        y_pos += 8
    if going_down:
        y_pos -= 8



def display():
    global y_pos
    glMatrixMode(GL_PROJECTION)
    glLoadIdentity()
    glMatrixMode(GL_MODELVIEW)
    glLoadIdentity()
    glViewport(0, 0, game_width, game_height)
    gluOrtho2D(0, game_width, 0, game_height)
    glColor3f(0.5, 1.0, 1.0)
    glBegin(GL_TRIANGLES)
    glVertex2f(x_pos, 100)
    glVertex2f(x_pos, 200)
    glVertex2f(x_pos + 300, y_pos)
    glEnd()
    glBegin(GL_TRIANGLES)
    glVertex2f(x_pos, 100)
    glVertex2f(x_pos, 200)
    glVertex2f(x_pos + 300, y_pos + 50)
    glEnd()
    pygame.display.flip()


def game_loop():
    global going_left
    global going_right
    global going_down
    global going_up
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            quit()
        elif event.type == pygame.KEYDOWN:
            if event.key == K_ESCAPE:
                pygame.quit()
                quit()
            elif event.key == K_q:
                glClearColor(random(), random(), random(), 1.0)
            elif event.key == K_RIGHT:
                going_right = True
            elif event.key == K_LEFT:
                going_left = True
            elif event.key == K_UP:
                going_up = True
            elif event.key == K_DOWN:
                going_down = True
        elif event.type == pygame.KEYUP:
            if event.key == K_LEFT:
                going_left = False
            if event.key == K_RIGHT:
                going_right = False
            if event.key == K_UP:
                going_up = False
            if event.key == K_DOWN:
                going_down = False
        elif event.type == pygame.MOUSEBUTTONDOWN:
            if event.button == 1:
                x_pos = pygame.mouse.get_pos()[0]
                y_pos = pygame.mouse.get_pos()[1]

    update()
    display()


if __name__ == "__main__":
    init_game()
    while True:
        game_loop()