paddleball.py

Python Mini

from processing import *

width = 550
height = 400

ball = {
    "r" : 10,
    "x" : 50,
    "y" : 50,
    "vx" : 3,
    "vy" : 3,
}

paddle = {
    "x" : 200,
    "y" : height - 20,
    "w" : 100,
    "h" : 15,
    "vx" : 5,
    "dir" : 0,
    
}

score = 0

def setup():
    size(width, height)
    background(0, 0, 255)
    
    
def draw():
    background(0, 0, 255)
    
    
    drawBall()
    drawPaddle()
    moveBall()
    movePaddle()
    checkCollision()
    
    fill(255, 255, 255)
    textSize(15)
    textAlign(LEFT)
    text("Score: " + str(score), 20, 20)
    
def drawBall():
    fill(255, 255, 255)
    stroke(255, 255, 255)
    ellipse(ball["x"], ball["y"], 2*ball["r"], 2*ball["r"])
def drawPaddle():
    fill(0, 255, 255)
    stroke(0, 255, 255)
    rect(paddle["x"], paddle["y"], paddle["w"], paddle["h"])

def moveBall():
    ball["x"] += ball["vx"]
    ball["y"] += ball["vy"]
    
    if  ball["y"] + ball["r"] >= height:
        background(0, 0, 0)
        fill(255, 0, 0)
        textSize(40)
        textAlign(CENTER)
        text("GAME OVER", width / 2, height / 2)
        
        
    if  ball["y"] - ball["r"] <= 0:
        ball["vy"] = -ball["vy"]
        
    if (ball["x"] + ball["r"] >= width or
        ball["x"] - ball["r"] <= 0):
        ball["vx"] = -ball["vx"]
        
def movePaddle():
    paddle["x"] += paddle["vx"] * paddle["dir"]
    if paddle["x"] <= 0:
        paddle["x"] = 0
    elif paddle["x"] + paddle["w"] > width:
        paddle["x"] = width - paddle["w"]
        
def checkCollision():
    global score
    
    if paddle["x"] <= ball["x"] <= paddle["x"] + paddle["w"]:
        if paddle["y"] <= ball["y"] + ball["r"] <= paddle["y"] + paddle["h"]:
            ball["vy"] = -ball["vy"]
            ball["y"] = paddle["y"] - ball["r"]
            score += 1

def keyPressed():
    if keyboard.key == "a":   #left
        paddle["dir"] = -1
    elif keyboard.key == "d":  #right
        paddle["dir"] = 1
        
def keyReleased():
    if keyboard.key in ["a", "d"]:
        paddle["dir"] = 0

run()

( around 77 lines python code )

Published By:

Dev

Published on 2019-07-16T14:38:28Z

Python Mini - an OYOclass application, own your own class today.

Result

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