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Issue #14 and Added Basic Start/End Screens #28

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Issue #14 and Added Basic Start/End Screens #28

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194 changes: 137 additions & 57 deletions snake.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,85 +12,162 @@
rows = 20


# start screen to help users distinguish when the program begins instead of being thrown into game
def start_screen():
global win
win.fill((0, 0, 0)) # background black
font = pygame.font.SysFont('arial', 20)
two_font = pygame.font.SysFont('arial', 15, italic = True)
starting = font.render('Press "s" to Start', True, (255, 255, 255)) # start option is larger
ending = two_font.render('Press "q" to Quit', True, (255, 255, 255)) # end is smaller and italic

# positioning the
win.blit(starting, (width // 2 - starting.get_width() // 2, height // 2.2 - starting.get_height() // 2))
win.blit(ending, (width // 1.85 - starting.get_width() // 2, height // 1.9 - starting.get_height() // 2))
pygame.display.update()

# Wait for the player to press spacebar
waiting = True
while waiting:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_s:
waiting = False
keys = pygame.key.get_pressed()

# game exits if you press q
if keys[pygame.K_q]:
pygame.quit()
quit()

# similar to start screen, this allows user more control on when to start or exit game
def end_screen():
global win
win.fill((0, 0, 0)) # background black
font = pygame.font.SysFont('arial', 20)
two_font = pygame.font.SysFont('arial', 15, italic = True)
# add ending screen quit or restart options
label = font.render('Press "s" to Start Again', True, (255, 255, 255))
ending = two_font.render('Press "q" to Quit Game', True, (255, 255, 255))

# Position the label in the center of the screen
win.blit(label, (width // 2 - label.get_width() // 2, height // 2.2 - label.get_height() // 2))

# add ending screen label
win.blit(ending, (width // 1.8 - label.get_width() // 2, height // 1.9 - label.get_height() // 2))
pygame.display.update()

# wait for user to press a buttion
waiting = True
while waiting:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()

# if user presses "s," start game
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_s:
waiting = False
keys = pygame.key.get_pressed()

# game exits if you press q
if keys[pygame.K_q]:
pygame.quit()
quit()

class cube():
rows = 20
w = 500
def __init__(self, start, dirnx=1, dirny=0, color=(255,0,0)):

def __init__(self, start, dirnx=1, dirny=0, color=(85, 126, 235), image=None): # changed snake to blue
self.pos = start
self.dirnx = dirnx
self.dirny = dirny # "L", "R", "U", "D"
self.color = color
self.image = image

def move(self, dirnx, dirny):
self.dirnx = dirnx
self.dirny = dirny
self.pos = (self.pos[0] + self.dirnx, self.pos[1] + self.dirny)

self.pos = (self.pos[0] + self.dirnx, self.pos[1] + self.dirny)

def draw(self, surface, eyes=False):
dis = self.w // self.rows
i = self.pos[0]
j = self.pos[1]

pygame.draw.rect(surface, self.color, (i*dis+1,j*dis+1,dis-2,dis-2))

if self.image:
# put picture of apple as snack where there is snack
surface.blit(self.image, (i * dis, j * dis))
else:
# draw regular background if else
pygame.draw.rect(surface, self.color, (i * dis + 1, j * dis + 1, dis - 2, dis - 2))

if eyes:
centre = dis//2
centre = dis // 2
radius = 3
circleMiddle = (i*dis+centre-radius,j*dis+8)
circleMiddle2 = (i*dis + dis -radius*2, j*dis+8)
pygame.draw.circle(surface, (0,0,0), circleMiddle, radius)
pygame.draw.circle(surface, (0,0,0), circleMiddle2, radius)

circleMiddle = (i * dis + centre - radius, j * dis + 8)
circleMiddle2 = (i * dis + dis - radius * 2, j * dis + 8)
pygame.draw.circle(surface, (0, 0, 0), circleMiddle, radius)
pygame.draw.circle(surface, (0, 0, 0), circleMiddle2, radius)


class snake():
body = []
turns = {}

def __init__(self, color, pos):
#pos is given as coordinates on the grid ex (1,5)
# pos is given as coordinates on the grid ex (1,5)
self.color = color
self.head = cube(pos)
self.body.append(self.head)
self.dirnx = 0
self.dirny = 1

def move(self):
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
keys = pygame.key.get_pressed()

# game exits if you press q!! issue addressed
if keys[pygame.K_q]:
pygame.quit()
quit()

for key in keys:
if keys[pygame.K_LEFT]:
self.dirnx = -1
self.dirny = 0
self.turns[self.head.pos[:]] = [self.dirnx,self.dirny]
self.turns[self.head.pos[:]] = [self.dirnx, self.dirny]
elif keys[pygame.K_RIGHT]:
self.dirnx = 1
self.dirny = 0
self.turns[self.head.pos[:]] = [self.dirnx,self.dirny]
self.turns[self.head.pos[:]] = [self.dirnx, self.dirny]
elif keys[pygame.K_UP]:
self.dirny = -1
self.dirnx = 0
self.turns[self.head.pos[:]] = [self.dirnx,self.dirny]
self.turns[self.head.pos[:]] = [self.dirnx, self.dirny]
elif keys[pygame.K_DOWN]:
self.dirny = 1
self.dirnx = 0
self.turns[self.head.pos[:]] = [self.dirnx,self.dirny]
self.turns[self.head.pos[:]] = [self.dirnx, self.dirny]

for i, c in enumerate(self.body):
p = c.pos[:]
if p in self.turns:
turn = self.turns[p]
c.move(turn[0], turn[1])
if i == len(self.body)-1:
if i == len(self.body) - 1:
self.turns.pop(p)
else:
c.move(c.dirnx,c.dirny)


def reset(self,pos):
c.move(c.dirnx, c.dirny)

def reset(self, pos):
self.head = cube(pos)
self.body = []
self.body.append(self.head)
Expand All @@ -103,35 +180,32 @@ def addCube(self):
dx, dy = tail.dirnx, tail.dirny

if dx == 1 and dy == 0:
self.body.append(cube((tail.pos[0]-1,tail.pos[1])))
self.body.append(cube((tail.pos[0] - 1, tail.pos[1])))
elif dx == -1 and dy == 0:
self.body.append(cube((tail.pos[0]+1,tail.pos[1])))
self.body.append(cube((tail.pos[0] + 1, tail.pos[1])))
elif dx == 0 and dy == 1:
self.body.append(cube((tail.pos[0],tail.pos[1]-1)))
self.body.append(cube((tail.pos[0], tail.pos[1] - 1)))
elif dx == 0 and dy == -1:
self.body.append(cube((tail.pos[0],tail.pos[1]+1)))
self.body.append(cube((tail.pos[0], tail.pos[1] + 1)))

self.body[-1].dirnx = dx
self.body[-1].dirny = dy

def draw(self, surface):
for i,c in enumerate(self.body):
for i, c in enumerate(self.body):
if i == 0:
c.draw(surface, True)
else:
c.draw(surface)



def redrawWindow():
global win
win.fill((0,0,0))
win.fill((145, 214, 75)) # changed to green background (like grass)
drawGrid(width, rows, win)
s.draw(win)
snack.draw(win)
pygame.display.update()
pass



def drawGrid(w, rows, surface):
Expand All @@ -141,36 +215,43 @@ def drawGrid(w, rows, surface):
y = 0
for l in range(rows):
x = x + sizeBtwn
y = y +sizeBtwn
y = y + sizeBtwn

pygame.draw.line(surface, (255,255,255), (x, 0),(x,w))
pygame.draw.line(surface, (255,255,255), (0, y),(w,y))

pygame.draw.line(surface, (14, 64, 6), (x, 0), (x, w)) # grid lines a dark green
pygame.draw.line(surface, (14, 64, 6), (0, y), (w, y))


def randomSnack(rows, item):
positions = item.body

while True:
x = random.randrange(1,rows-1)
y = random.randrange(1,rows-1)
if len(list(filter(lambda z:z.pos == (x,y), positions))) > 0:
continue
x = random.randrange(1, rows - 1)
y = random.randrange(1, rows - 1)
if len(list(filter(lambda z: z.pos == (x, y), positions))) > 0:
continue
else:
break
break

return (x,y)
return (x, y)


def main():
pygame.init()
global s, snack, win
win = pygame.display.set_mode((width,height))
s = snake((255,0,0), (10,10))
win = pygame.display.set_mode((width, height))

start_screen()
s = snake((0, 0, 255), (10, 10))
s.addCube()
snack = cube(randomSnack(rows,s), color=(0,255,0))

# load image of snake snack (i chose an apple)
snake_snack = pygame.image.load('snake_snack.jpg') # replace 'snack_image.png' with the snack image you choose
snake_snack = pygame.transform.scale(snake_snack, (width // rows, width // rows)) # scale
snack = cube(randomSnack(rows, s), image=snake_snack)

flag = True
clock = pygame.time.Clock()

while flag:
pygame.time.delay(50)
clock.tick(10)
Expand All @@ -179,20 +260,19 @@ def main():
if headPos[0] >= 20 or headPos[0] < 0 or headPos[1] >= 20 or headPos[1] < 0:
print("Score:", len(s.body))
s.reset((10, 10))
end_screen()

if s.body[0].pos == snack.pos:
s.addCube()
snack = cube(randomSnack(rows,s), color=(0,255,0))
snack = cube(randomSnack(rows, s), image=snake_snack)

for x in range(len(s.body)):
if s.body[x].pos in list(map(lambda z:z.pos,s.body[x+1:])):
if s.body[x].pos in list(map(lambda z: z.pos, s.body[x + 1:])):
print("Score:", len(s.body))
s.reset((10,10))
break
s.reset((10, 10))


redrawWindow()

main()


main()