jxyden

# File Name: snakeActual.py
# Description: Base code from snake_template.py with edits to optimize
# Author: ICS2O (edited by Jayden Chuong)
# Date: 12/04/2017 -

from random import randint
import math
import pygame
pygame.init()
WIDTH = 800
HEIGHT= 600
MIDDLE = int(WIDTH/2.0)
TOP = 0
BOTTOM = HEIGHT
screen=pygame.display.set_mode((WIDTH,HEIGHT))

WHITE = (255,255,255)
LIGREY = (190,190,190)
GREY = (150,150,150)
BLACK = (  0,  0,  0)
RED = (255, 50, 50)
GREEN = (  0,255, 50)
CYAN = (  0,100,100)
BLUE = (  0, 50,255)
outline = 0
delay = 50
picture = pygame.image.load("ainsley.png")

# snake's properties
BODY_SIZE = 10
HSTEP = 20
VSTEP = 20
speedX = 0
speedY = -VSTEP                         # initially the snake moves from bottom up
segX = []
segY = []
lastKey = "u"
speedIncrease1 = True
speedIncrease2 = True
score = 0

# apple's properties
spawnX1 = 2
spawnY1 = 2
spawnX2 = 38
spawnY2 = 28
appleX = [randint(spawnX1,spawnX2)*20]
appleY = [randint(spawnY1,spawnY2)*20]
font = pygame.font.SysFont("Century Gothic",36, bold = True)

# time properties
BEGIN = pygame.time.get_ticks()
elapsed = 0
clock = pygame.time.Clock()
FPS = 24

# function that redraws all objects
def redrawScreen(score):
    screen.fill(BLACK)
    screen.blit(picture, (280,200))
    for i in range(len(segX)):
        pygame.draw.circle(screen, GREEN, (segX[0], segY[0]), BODY_SIZE, outline)
        pygame.draw.circle(screen, BLUE, (segX[i], segY[i]), BODY_SIZE, outline)
        for i in range(len(appleX)):
            if segX[0] == appleX[i] and segY[0] == appleY[i]:
                appleX.pop(0)
                appleY.pop(0)
                appleX.append(randint(spawnX1,spawnX2)*20)
                appleY.append(randint(spawnY1,spawnY2)*20)
            pygame.draw.circle(screen, RED, (appleX[i], appleY[i]), BODY_SIZE, outline)
    score = font.render(str(score), 1, WHITE)
    time = font.render(str(elapsed/1000.0), 1, WHITE)
    screen.blit(score, (30,30))
    screen.blit(time, (680,30))
    pygame.display.update()


# the main program begins here
for i in range(4):                      # add coordinates for the head and 3 segments
    segX.append(MIDDLE)
    segY.append(BOTTOM - 40 + i*VSTEP)

print "Use the arrows and the space bar."
print "Hit ESC to end the program."

inPlay = True
score = 0
while inPlay:
    redrawScreen(score)
    clock.tick(FPS)
    pygame.time.delay(delay)

    elapsed = pygame.time.get_ticks() - BEGIN

# check for events
    pygame.event.get()
    keys = pygame.key.get_pressed()
    if keys[pygame.K_ESCAPE]:
        inPlay = False
    if lastKey != "r":
        if keys[pygame.K_LEFT]:
            speedX = HSTEP
            speedY = 0
            lastKey = "l"
    if lastKey != "l":
        if keys[pygame.K_RIGHT]:
            speedX = -HSTEP
            speedY = 0
            lastKey = "r"
    if lastKey != "d":
        if keys[pygame.K_UP]:
            speedX = 0
            speedY = VSTEP
            lastKey = "u"
    if lastKey != "u":
        if keys[pygame.K_DOWN]:
            speedX = 0
            speedY = -VSTEP
            lastKey = "d"

# move the segments
    numOfSegments = len(segX)-1
    for i in range(numOfSegments,0,-1):
        if segX[i] != segX[0] + speedX or segY[i] != segY[0] + speedY:           # starting from the tail, and going backwards:
            segX[i]=segX[i-1]               # every segment takes the coordinates
            segY[i]=segY[i-1]               # of the previous one
        else:
            inPlay = False

# move the head
    segX[0] = segX[0] + speedX
    segY[0] = segY[0] + speedY

# game over if escape
    if segX[0] >= WIDTH or segX[0] <= 0 or segY[0] >= HEIGHT or segY[0] <= 0:
        inPlay = False

# if apple is eaten by snake
    for i in range(len(appleX)):
        if segX[0] == appleX[i] and segY[0] == appleY[i]:
##            segX.append(segX[-1])
##            segY.append(segY[-1])
            BODY_SIZE = BODY_SIZE+5
            score = score + 1


# increase speed if certain amount eaten
    if score == 10:
        if speedIncrease1 == True:
            delay = delay - 10
            speedIncrease1 = False
    if score == 25:
        spawnX1 = 1
        spawnY1 = 1
        spawnX2 = 39
        spawnY2 = 29
        if speedIncrease2 == True:
            delay = delay - 10
            speedIncrease2 = False

#---------------------------------------#
print "Time:",str(round(elapsed/1000.0,1)),"seconds"
print "GAME OVER"
print "Your score was:",score
pygame.quit()