ursiana.py

from ursina import *
app=Ursina()

camera.orthographic = True
camera.fov=4
camera.position=(1,1)

player=Entity(name='O',color=color.azure)
cursor=Tooltip(color=player.color,origin=(0,0),scale=4,enabled=True)
cursor.background.color=color.clear

bg=Entity(parent=scene,model='quad',texture='shore',scale=(16,8),z=10,color=color.light_gray)
mouse.visible=True

board=[[None for x in range(3)]for y in range(3)]
for y in range(3):
    for x in range(3):
        b=Button(parent=scene,position=(x,y))
        board[x][y]=b

        def on_click(b=b):
            b.text=player.name
            b.color=player.color
            b.collision=False
            checkforvictory()

            if player.name=='O':
                player.name='X'
                player.color=color.orange
            else:
                player.name='O'
                player.color=color.azure

            cursor.text=''
            cursor.color=player.color
        b.on_click=on_click

def checkforvictory():
    name=player.name
    won = (
    (board[0][0].text == name and board[1][0].text == name and board[2][0].text == name) or # across the bottom
    (board[0][1].text == name and board[1][1].text == name and board[2][1].text == name) or # across the middle
    (board[0][2].text == name and board[1][2].text == name and board[2][2].text == name) or # across the top
    (board[0][0].text == name and board[0][1].text == name and board[0][2].text == name) or # down the left side
    (board[1][0].text == name and board[1][1].text == name and board[1][2].text == name) or # down the middle
    (board[2][0].text == name and board[2][1].text == name and board[2][2].text == name) or # down the right side
    (board[0][0].text == name and board[1][1].text == name and board[2][2].text == name) or # diagonal /
    (board[0][2].text == name and board[1][1].text == name and board[2][0].text == name))   # diagonal \


    if won:
        print('Winner is:',name)
        destroy(cursor)
        mouse.visible=True
        Panel(z=1, scale=10, model='quad')
        t = Text(f'Player\n{name}\nwon!', scale=3, origin=(0,0), background=True)
        t.create_background(padding=(.5,.25), radius=Text.size/2)
        t.background.color = player.color.tint(-.2)
app.run()