import pygame
import time
import sys
import random

WIDTH, HEIGHT = 900, 600
WHITE = (255, 255, 255)
BLACK = (0,0,0)
PINK = (255, 0, 120)

#### SETTINGS ###

MIN_ENEMY_SPEED = 4
MAX_ENEMY_SPEED = 6
PLAYER_SPEED = pygame.math.Vector2(0,1)

#### SETTINGS ###

pygame.init()
canvas = pygame.display.set_mode((WIDTH,HEIGHT))
pygame.display.set_caption('Asterodis')
clock = pygame.time.Clock()

def quitGame():
    pygame.quit()
    sys.exit(0)

class Ship():
    def __init__(self, a):
        self.apex = [pygame.math.Vector2(-a, a), pygame.math.Vector2(a, a), pygame.math.Vector2(0, -a)]
        self.newApex = [0, 0, 0]
        self.offset = pygame.math.Vector2(WIDTH / 2, HEIGHT / 2)

    def rotate(self, angle):
        self.apex[0] = self.apex[0].rotate(angle)
        self.apex[1] = self.apex[1].rotate(angle)
        self.apex[2] = self.apex[2].rotate(angle)

        self.newApex = [self.apex[0] + self.offset, self.apex[1] + self.offset, self.apex[2] + self.offset]

    def move(self, direction):
        self.speed = PLAYER_SPEED

        self.apex[0] += self.speed * direction
        self.apex[1] += self.speed * direction
        self.apex[2] += self.speed * direction
        self.offset += self.speed * direction

    def show(self):
        pygame.draw.polygon(canvas, PINK, self.newApex, 2)
        pygame.draw.circle(canvas, WHITE, (int(self.offset.x), int(self.offset.y)), 2)

ship = Ship(30)

while True:
    canvas.fill((BLACK))
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            quitGame()

    angle = 0
    direction = 0

    keys = pygame.key.get_pressed()
    if keys[pygame.K_LEFT]:
        angle = -1
    elif keys[pygame.K_RIGHT]:
        angle  = 1
    if keys[pygame.K_UP]:
        direction = -1
    elif keys[pygame.K_DOWN]:
        direction = 1


    ship.rotate(angle)
    ship.move(direction)
    ship.show()

    pygame.display.flip()
    clock.tick(60)