Create snake-game.py

game/snake-game.py

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+import pygame as pg
+import random
+
+pg.init()
+
+white = (255,255,255)
+red = (255,0,0)
+black = (0,0,0)
+
+screenWidth = 900
+screenHeight = 600
+gameWindow = pg.display.set_mode((screenWidth,screenHeight))
+
+pg.display.set_caption('Snake Game')
+pg.display.update()
+clock = pg.time.Clock()
+font = pg.font.SysFont(None,55)
+
+def textScreen(text,color,x,y):
+    screenText = font.reader(text,True,color)
+    gameWindow.blit(sctreenText,[x,y])
+
+def plotSnake(gameWindow,color,snakeList,snakeSize):
+    for x,y in snakeList:
+        pg.draw.rect(gameWindow, color, [x,y,snakeSize,snakeSize])
+
+
+def gameLoop():
+    exitGame = False
+    gameOver = False
+    snakeX = 45
+    snakeY = 55
+    velocityX = 0
+    velocityY = 0
+    snakeList - []
+    snakeLength = 1
+
+    foodX = random.randint(20, screenWidth-20)
+    foodY = random.randint(60, screenHeight-20)
+    score = 0
+    initialVelocity = 4
+    snakeSize = 30
+    fps = 60
+
+    while not exitGame:
+        if gameOver:
+            gameWindow.fill(white)
+            textScreen('Game Over! Press Enter To Continue',red,100,250)
+
+            for event in pg.event.get():
+                if event.type == pg.QUIT:
+                    exitGame = True
+
+                if event.type == pg.KEYDOWN:
+                    if event.key == pg.K_RETURN:
+                        gameLoop()
+
+        else:
+            for event in pg.event.get():
+                if event.type == pg.QUIT:
+                    exitGame = True
+
+                if event.type == pg.KEYDOWN:
+                    if evemt.key == pg.K_RIGHT:
+                        velocityX = initialVelocity
+                        velocityY = 0 
+
+                    if evemt.key == pg.K_LEFT:
+                        velocityX = -initialVelocity
+                        velocityY = 0 
+
+                    if evemt.key == pg.K_UP:
+                        velocityY = -initialVelocity
+                        velocityX = 0 
+
+                    if evemt.key == pg.K_RIGHT:
+                        velocityY = initialVelocity
+                        velocityX = 0 
+
+            snakeX = snakeX + velocityX
+            snakeY = snakeY + velocityY
+
+            if abs(snakeX - foodX) < 10 and abs(snakeY - foodY) < 10:
+                score += 1
+                foodX = random.randint(20, screenWidth-30)
+                foodY = random.randint(60, screenHeight-30)
+                snakeLength += 5 
+
+            gameWindow.fill(white)
+            textScreen("Score : " + str(score*10), red, 5, 5)
+            pg.draw.rect(gameWindow, red, [foodX, foodY, snakeSize, snakeSize])
+            pg.draw.line(gameWindow, red, (0,40), (900,40), 5)
+
+            head = []
+            head.append(snakeX)
+            head.append(snakeY)
+            snakeList.append(head)
+
+            if len(snakeList) > snakeLength:
+                del snakeList[0]
+
+            if head in snakeList[:-1]:
+                gameOver = True
+
+            if snakeX < 0 or snakeX > screenWidth-20 or snakeY < 50 or snakeY > screenHeight-20:
+                gameOver = True
+
+            plotSnake(gameWindow, black, snakeList, snakeSize)
+
+        pg.dispaly.update()
+        clock.tick(fps)
+
+    pg.quit()
+    quit()
+
+gameloop()