EBLv2/app.py

import json
from operator import mod
from tokenize import String
from flask import Flask, request, jsonify
from flask_cors import CORS

player1 = {"name": "Player 1", "xpos": 1, "ypos": 1, "xvel": 0, "yvel": 0}

map1 = {
    "platforms": [
        {"x": 30, "y": 100, "width": 100, "height": 100},
        {"x": 0, "y": 260, "width": 400, "height": 10}
    ]
}

data = {}

def checkCollision():
    global data
    collision = False
    for i in map1['platforms']:
        if ((player1['ypos']+data['spriteData']['ufo']['height']/2 >= i['y']) & (player1['ypos']-data['spriteData']['ufo']['height']/2 <= i['y']+i['height']) & (player1['xpos']+data['spriteData']['ufo']['height']/2 >= i['x']) & (player1['xpos']-data['spriteData']['ufo']['width']/2 <= i['x']+i['width'])):
            collision = True
    
    return(collision)

app = Flask(__name__)
CORS(app)
@app.route('/api/send', methods=['POST'])

def receive_data():
    global data
    data = request.get_json()
    # Input data is the form [reset(bool), isPressed(json)]

    # Handle Resetting
    if (data['reset']):
        player1['xpos'] = 0
        player1['ypos'] = 0
        player1['xvel'] = 0
        player1['yvel'] = 0
    
    # Handle key presses
    if (data['keyDown']['ArrowUp'] == True):
        player1['ypos'] += 1
        if (checkCollision()):
            player1['ypos'] -= 1
            player1['yvel'] = 2
        else:
            player1['ypos'] -= 1
    if (data['keyDown']['ArrowDown'] == True):
        print('LOW LOW LOW LOW LOW LOW LOW LOW')
    if (data['keyDown']['ArrowRight'] == True):
        player1['xpos'] += 1
        if (checkCollision()):
            player1['xpos'] -= 1;
    if (data['keyDown']['ArrowLeft'] == True):
        player1['xpos'] -= 1
        if (checkCollision()):
            player1['xpos'] += 1;
    
    # Velocity
    player1['xpos'] += player1['xvel']
    player1['ypos'] -= player1['yvel']
    
    if (checkCollision()):
        player1['ypos'] += player1['yvel']
        player1['yvel'] = 0
    
    # Handle Gravity
    player1['yvel'] -= 0.05

    return jsonify({
        "player1": player1,
        "map1": map1,
    })

if __name__ == '__main__':
    app.run(debug=True)