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| 1 | +# Simple Snake Game in Python 3 for RANDOM, TIME, turtle themes |
| 2 | + |
| 3 | + |
| 4 | +import turtle |
| 5 | +import time |
| 6 | +import random |
| 7 | + |
| 8 | +delay = 0.1 |
| 9 | + |
| 10 | +# Score |
| 11 | +score = 0 |
| 12 | +high_score = 0 |
| 13 | + |
| 14 | +# Set up the screen |
| 15 | +wn = turtle.Screen() |
| 16 | +wn.title("Snake Game by SUBUX") |
| 17 | +wn.bgcolor("darkblue") |
| 18 | +wn.setup(width=600, height=600) |
| 19 | +wn.tracer(0) # Turns off the screen updates |
| 20 | + |
| 21 | +# Snake head |
| 22 | +head = turtle.Turtle() |
| 23 | +head.speed(0) |
| 24 | +head.shape("square") |
| 25 | +head.color("black") |
| 26 | +head.penup() |
| 27 | +head.goto(0,0) |
| 28 | +head.direction = "stop" |
| 29 | + |
| 30 | +# Snake food |
| 31 | +food = turtle.Turtle() |
| 32 | +food.speed(0) |
| 33 | +food.shape("circle") |
| 34 | +food.color("red") |
| 35 | +food.penup() |
| 36 | +food.goto(0,100) |
| 37 | + |
| 38 | +segments = [] |
| 39 | + |
| 40 | +# Pen |
| 41 | +pen = turtle.Turtle() |
| 42 | +pen.speed(0) |
| 43 | +pen.shape("square") |
| 44 | +pen.color("white") |
| 45 | +pen.penup() |
| 46 | +pen.hideturtle() |
| 47 | +pen.goto(0, 260) |
| 48 | +pen.write("Score: 0 High Score: 0", align="center", font=("Courier", 24, "normal")) |
| 49 | + |
| 50 | +# Functions |
| 51 | +def go_up(): |
| 52 | + if head.direction != "down": |
| 53 | + head.direction = "up" |
| 54 | + |
| 55 | +def go_down(): |
| 56 | + if head.direction != "up": |
| 57 | + head.direction = "down" |
| 58 | + |
| 59 | +def go_left(): |
| 60 | + if head.direction != "right": |
| 61 | + head.direction = "left" |
| 62 | + |
| 63 | +def go_right(): |
| 64 | + if head.direction != "left": |
| 65 | + head.direction = "right" |
| 66 | + |
| 67 | +def move(): |
| 68 | + if head.direction == "up": |
| 69 | + y = head.ycor() |
| 70 | + head.sety(y + 20) |
| 71 | + |
| 72 | + if head.direction == "down": |
| 73 | + y = head.ycor() |
| 74 | + head.sety(y - 20) |
| 75 | + |
| 76 | + if head.direction == "left": |
| 77 | + x = head.xcor() |
| 78 | + head.setx(x - 20) |
| 79 | + |
| 80 | + if head.direction == "right": |
| 81 | + x = head.xcor() |
| 82 | + head.setx(x + 20) |
| 83 | + |
| 84 | +# Keyboard bindings |
| 85 | +wn.listen() |
| 86 | +wn.onkeypress(go_up, "w") |
| 87 | +wn.onkeypress(go_down, "s") |
| 88 | +wn.onkeypress(go_left, "a") |
| 89 | +wn.onkeypress(go_right, "d") |
| 90 | + |
| 91 | +# Main game loop |
| 92 | +while True: |
| 93 | + wn.update() |
| 94 | + |
| 95 | + # Check for a collision with the border |
| 96 | + if head.xcor()>290 or head.xcor()<-290 or head.ycor()>290 or head.ycor()<-290: |
| 97 | + time.sleep(1) |
| 98 | + head.goto(0,0) |
| 99 | + head.direction = "stop" |
| 100 | + |
| 101 | + # Hide the segments |
| 102 | + for segment in segments: |
| 103 | + segment.goto(1000, 1000) |
| 104 | + |
| 105 | + # Clear the segments list |
| 106 | + segments.clear() |
| 107 | + |
| 108 | + # Reset the score |
| 109 | + score = 0 |
| 110 | + |
| 111 | + # Reset the delay |
| 112 | + delay = 0.1 |
| 113 | + |
| 114 | + pen.clear() |
| 115 | + pen.write("Score: {} High Score: {}".format(score, high_score), align="center", font=("Courier", 24, "normal")) |
| 116 | + |
| 117 | + |
| 118 | + # Check for a collision with the food |
| 119 | + if head.distance(food) < 20: |
| 120 | + # Move the food to a random spot |
| 121 | + x = random.randint(-290, 290) |
| 122 | + y = random.randint(-290, 290) |
| 123 | + food.goto(x,y) |
| 124 | + |
| 125 | + # Add a segment |
| 126 | + new_segment = turtle.Turtle() |
| 127 | + new_segment.speed(0) |
| 128 | + new_segment.shape("square") |
| 129 | + new_segment.color("grey") |
| 130 | + new_segment.penup() |
| 131 | + segments.append(new_segment) |
| 132 | + |
| 133 | + # Shorten the delay |
| 134 | + delay -= 0.001 |
| 135 | + |
| 136 | + # Increase the score |
| 137 | + score += 10 |
| 138 | + |
| 139 | + if score > high_score: |
| 140 | + high_score = score |
| 141 | + |
| 142 | + pen.clear() |
| 143 | + pen.write("Score: {} High Score: {}".format(score, high_score), align="center", font=("Courier", 24, "normal")) |
| 144 | + |
| 145 | + # Move the end segments first in reverse order |
| 146 | + for index in range(len(segments)-1, 0, -1): |
| 147 | + x = segments[index-1].xcor() |
| 148 | + y = segments[index-1].ycor() |
| 149 | + segments[index].goto(x, y) |
| 150 | + |
| 151 | + # Move segment 0 to where the head is |
| 152 | + if len(segments) > 0: |
| 153 | + x = head.xcor() |
| 154 | + y = head.ycor() |
| 155 | + segments[0].goto(x,y) |
| 156 | + |
| 157 | + move() |
| 158 | + |
| 159 | + # Check for head collision with the body segments |
| 160 | + for segment in segments: |
| 161 | + if segment.distance(head) < 20: |
| 162 | + time.sleep(1) |
| 163 | + head.goto(0,0) |
| 164 | + head.direction = "stop" |
| 165 | + |
| 166 | + # Hide the segments |
| 167 | + for segment in segments: |
| 168 | + segment.goto(1000, 1000) |
| 169 | + |
| 170 | + # Clear the segments list |
| 171 | + segments.clear() |
| 172 | + |
| 173 | + # Reset the score |
| 174 | + score = 0 |
| 175 | + |
| 176 | + # Reset the delay |
| 177 | + delay = 0.1 |
| 178 | + |
| 179 | + # Update the score display |
| 180 | + pen.clear() |
| 181 | + pen.write("Score: {} High Score: {}".format(score, high_score), align="center", font=("Courier", 24, "normal")) |
| 182 | + |
| 183 | + time.sleep(delay) |
| 184 | + |
| 185 | +wn.mainloop() |
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