Perspective.py

import math
from tkinter import *


root = Tk();
root.title = "Test4"
root.wm_attributes("-topmost", 1);


#CreateCanvas
canvas = Canvas(root, width=640, height=480);
canvas.pack();

#HandleInput
keysDown = [];
def keyDown(event):
    if (event.char not in keysDown):
        keysDown.append(event.char);
def keyUp(event):
    if (event.char in keysDown):
        keysDown.remove(event.char);
def isKeyDown(key):
    if (key in keysDown):
        return True;
    else:
        return False;
root.bind("<KeyPress>", keyDown);
root.bind("<KeyRelease>", keyUp);


class Wall():
    def __init__(self):
        self.x = 0;
        self.y = 0;
        self.x2 = 100;
        self.y2 = 0;

class Player():
    def __init__(self, canvas, x, y):
        self.canvas = canvas;
        self.x = x;
        self.y = y;
        self.length = 25;
        self.rotation = 0;
        self.setAngles();
        self.ID = canvas.create_line(self.x, self.y, self.x + self.length * self.angleX, self.y + self.length * self.angleY);

        self.wall = Wall();
        self.wallID = canvas.create_line(self.wall.x, self.wall.y, self.wall.x2, self.wall.y2);


    def setAngles(self):
        self.angle = self.rotation * math.pi / 180;
        print(self.angle)
        self.angleX = math.cos(self.angle);
        self.angleY = math.sin(self.angle);

    def moveForward(self, amount):
        self.x = (self.x + self.angleY * amount);
        self.y = (self.y + self.angleX * amount);

    def update(self):
        self.setAngles();
        self.input();

        self.canvas.coords(self.ID, 100, 100, 100, 75);

        tx1 = self.x - self.wall.x;
        ty1 = self.y - self.wall.y;
        tx2 = self.x - self.wall.x2;
        ty2 = self.y - self.wall.y2;


        tz1 = tx1 * self.angleY + ty1 * self.angleX;
        tz2 = tx2 * self.angleY + ty2 * self.angleX;
        tx1 = tx1 * self.angleX - ty1 * self.angleY;
        tx2 = tx2 * self.angleX - ty2 * self.angleY;
        self.canvas.coords(self.wallID, tx1 + 100, tz1 + 100, tx2 + 100, tz2 + 100);

    def wallToScreen(self, wall):
        newWall = wall;
        newWall.x -= self.x;
        newWall.y -= self.y;

    def input(self):
        if (isKeyDown("a")):
            self.rotation -= 0.1;
        if (isKeyDown("d")):
            self.rotation += 0.1;
        if (isKeyDown("r")):
            self.rotation  = 45;
        if (isKeyDown("s")):
            self.moveForward( 0.1);
        if (isKeyDown("w")):
            self.moveForward( -0.1);


player = Player(canvas, 50, 50);

def update():
    player.update();
    root.after(1, update);

update();
root.mainloop();