forked from buckyroberts/Source-Code-from-Tutorials
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy path33_PythonGameDevelopment.py
More file actions
250 lines (157 loc) · 6.68 KB
/
33_PythonGameDevelopment.py
File metadata and controls
250 lines (157 loc) · 6.68 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
import pygame
import time
import random
pygame.init()
white = (255,255,255)
black = (0,0,0)
red = (255,0,0)
green = (0,155,0)
display_width = 800
display_height = 600
gameDisplay = pygame.display.set_mode((display_width,display_height))
pygame.display.set_caption('Slither')
img = pygame.image.load('snakehead2.png')
clock = pygame.time.Clock()
block_size = 20
FPS = 15
direction = "right"
smallfont = pygame.font.SysFont("comicsansms", 25)
medfont = pygame.font.SysFont("comicsansms", 50)
largefont = pygame.font.SysFont("comicsansms", 80)
def game_intro():
intro = True
while intro:
gameDisplay.fill(white)
message_to_screen("Welcome to Slither",
green,
-100,
"large")
message_to_screen("The objective of the game is to eat red apples",
black,
-30)
message_to_screen("The more apples you eat, the longer you get",
black,
10)
message_to_screen("If you run into yourself, or the edges, you die!",
black,
50)
message_to_screen("Press C to play or Q to quit.",
black,
180)
pygame.display.update()
clock.tick(15)
def snake(block_size, snakelist):
if direction == "right":
head = pygame.transform.rotate(img, 270)
if direction == "left":
head = pygame.transform.rotate(img, 90)
if direction == "up":
head = img
if direction == "down":
head = pygame.transform.rotate(img, 180)
gameDisplay.blit(head, (snakelist[-1][0], snakelist[-1][1]))
for XnY in snakelist[:-1]:
pygame.draw.rect(gameDisplay, green, [XnY[0],XnY[1],block_size,block_size])
def text_objects(text,color,size):
if size == "small":
textSurface = smallfont.render(text, True, color)
elif size == "medium":
textSurface = medfont.render(text, True, color)
elif size == "large":
textSurface = largefont.render(text, True, color)
return textSurface, textSurface.get_rect()
def message_to_screen(msg,color, y_displace=0, size = "small"):
textSurf, textRect = text_objects(msg,color, size)
textRect.center = (display_width / 2), (display_height / 2)+y_displace
gameDisplay.blit(textSurf, textRect)
def gameLoop():
global direction
gameExit = False
gameOver = False
lead_x = display_width/2
lead_y = display_height/2
lead_x_change = 10
lead_y_change = 0
snakeList = []
snakeLength = 1
randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
while not gameExit:
while gameOver == True:
gameDisplay.fill(white)
message_to_screen("Game over",
red,
y_displace=-50,
size="large")
message_to_screen("Press C to play again or Q to quit",
black,
50,
size="medium")
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
gameOver = False
gameExit = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_q:
gameExit = True
gameOver = False
if event.key == pygame.K_c:
gameLoop()
for event in pygame.event.get():
if event.type == pygame.QUIT:
gameExit = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
direction = "left"
lead_x_change = -block_size
lead_y_change = 0
elif event.key == pygame.K_RIGHT:
direction = "right"
lead_x_change = block_size
lead_y_change = 0
elif event.key == pygame.K_UP:
direction = "up"
lead_y_change = -block_size
lead_x_change = 0
elif event.key == pygame.K_DOWN:
direction = "down"
lead_y_change = block_size
lead_x_change = 0
if lead_x >= display_width or lead_x < 0 or lead_y >= display_height or lead_y < 0:
gameOver = True
lead_x += lead_x_change
lead_y += lead_y_change
gameDisplay.fill(white)
AppleThickness = 30
pygame.draw.rect(gameDisplay, red, [randAppleX, randAppleY, AppleThickness, AppleThickness])
snakeHead = []
snakeHead.append(lead_x)
snakeHead.append(lead_y)
snakeList.append(snakeHead)
if len(snakeList) > snakeLength:
del snakeList[0]
for eachSegment in snakeList[:-1]:
if eachSegment == snakeHead:
gameOver = True
snake(block_size, snakeList)
pygame.display.update()
## if lead_x >= randAppleX and lead_x <= randAppleX + AppleThickness:
## if lead_y >= randAppleY and lead_y <= randAppleY + AppleThickness:
## randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
## randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
## snakeLength += 1
if lead_x > randAppleX and lead_x < randAppleX + AppleThickness or lead_x + block_size > randAppleX and lead_x + block_size < randAppleX + AppleThickness:
if lead_y > randAppleY and lead_y < randAppleY + AppleThickness:
randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
snakeLength += 1
elif lead_y + block_size > randAppleY and lead_y + block_size < randAppleY + AppleThickness:
randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
snakeLength += 1
clock.tick(FPS)
pygame.quit()
quit()
game_intro()
gameLoop()