Added a shitty pong game

apps/pong.py

@@ -0,0 +1,150 @@
+#!/usr/bin/env python3
+import pygame
+import time
+import sys
+import os
+import numpy as np
+import math
+import random
+
+PADDLE_LEN = 6
+
+Nx = int(sys.argv[1])
+Ny = int(sys.argv[2])
+param = sys.argv[3]
+
+
+pygame.init()
+pygame.joystick.init()
+j = pygame.joystick.Joystick(0)
+j.init()
+
+numbers = [
+    int("0b111101101101111", 2),
+    int("0b010010010010010", 2),
+    int("0b111001111100111", 2),
+    int("0b111001111001111", 2),
+    int("0b100100100111010", 2),
+    int("0b111100111001111", 2),
+    int("0b111100111101111", 2),
+    int("0b111001011010010", 2),
+    int("0b111101111101111", 2),
+    int("0b111101111001111", 2)
+]
+
+
+
+def Reset(sign=1):
+    global x, y, dx, dy
+    x = Nx//2
+    y = Ny//2  
+    dy = 1*sign
+    dx = random.uniform(-0.4, 0.4)
+    l = math.sqrt(dx*dx+dy*dy)
+    dx /= l
+    dy /= l
+
+Reset()
+
+player1 = (Nx-PADDLE_LEN)//2
+player2 = (Nx-PADDLE_LEN)//2
+score1 = 0
+score2 = 0
+
+def clamp(a, x, b):
+    if x < a:
+        return a
+    if x > b:
+        return b
+    return x
+
+while True:
+    for event in pygame.event.get():
+        pass
+    
+    time.sleep(0.016)
+
+    if j.get_axis(0) > 0 and player1+PADDLE_LEN < Nx:
+        player1 += 1
+    if j.get_axis(0) < 0 and player1 > 0 :
+        player1 -= 1
+
+    if j.get_axis(1) > 0 and player2+PADDLE_LEN < Nx:
+        player2 += 1
+    if j.get_axis(1) < 0 and player2 > 0 :
+        player2 -= 1
+
+    x += dx
+    y += dy
+
+
+    if x < 0 or x >= Nx:
+        dx = -dx
+
+    if y >= Ny-2 and y <= Ny-1:
+        xi = int(x)
+        if xi >= player1 and xi <= player1+PADDLE_LEN:
+            dy = -1
+            dx = x-(player1+PADDLE_LEN/2)
+            l = math.sqrt(dx*dx+dy*dy)
+            dx /= l
+            dy /= l
+
+    if y >= Ny-1:
+        score2+=1
+        Reset() 
+
+    if y <= 1 and y > 0:
+        xi = int(x)
+        if xi >= player2 and xi <= player2+PADDLE_LEN:
+            dy = 1
+            dx = x-(player2+PADDLE_LEN/2)
+            l = math.sqrt(dx*dx+dy*dy)
+            dx /= l
+            dy /= l
+
+    if y <= 0:
+        score1+=1
+        Reset(-1.0)
+
+    buffer = bytearray(b"\x00"*(3*Nx*Ny))
+    def SetPixel(x, y, r, g, b):
+        idx = 3*(x+Nx*y)
+        buffer[idx+0] = r
+        buffer[idx+1] = g
+        buffer[idx+2] = b
+    #SetPixel(x, y, 0xff, 0xff, 0xff)
+    def showdigit(num, xs, ys, r, g, b):
+        for y in range(ys+4, ys-1, -1):
+            for x in range(xs+2, xs-1, -1):
+                if num&1 == 1:
+                    SetPixel(x, y, r, g, b)
+                num >>= 1
+
+    def shownum(num, x, y, r, g, b):
+        # i am sorry
+        if num == 0:
+            showdigit(numbers[0], x, y, r, g, b)
+            return
+        digits = int(math.ceil(math.log(num)/math.log(10)+0.0001))
+        xoff = (digits-1)*4
+        for _ in range(digits, 0, -1):
+            showdigit(numbers[num%10], x+xoff, y, r, g, b)
+            num //= 10
+            xoff-=4
+    shownum(score2, 0, Ny//2-7, 0x00, 0x00, 0xff)
+    shownum(score1, 0, Ny//2+2, 0xff, 0x00, 0x00)
+    for i in range(Nx):
+        if i %2 == 0:
+            SetPixel(i, Ny//2, 0x00, 0xff, 0x00)
+    xi = clamp(0, int(x), Nx-1)
+    yi = clamp(0, int(y), Ny-1)
+
+    SetPixel(xi, yi, 0xff, 0xff, 0xff)
+
+    for i in range(PADDLE_LEN):
+        SetPixel(player1+i, Ny-2, 0xff, 0x00, 0x00)
+    for i in range(PADDLE_LEN):
+        SetPixel(player2+i, 1, 0x00, 0x00, 0xff)
+    
+    os.write(1, buffer)

config.py

@@ -13,15 +13,16 @@ NoDataTimeout = 20
 LogLevel = logging.DEBUG
 
 UseGui = True
-GuiScaleFactor = 10
+GuiScaleFactor = 20
 
 WebHost = "localhost"
 WebPort = 8000
 
 # first app is always running in IDLE    
 Apps = [
-    {"guiname": "IDLE", "name": "pixelflut", "cmd": "apps/idle.py", "persistent": True},
+    {"guiname": "IDLE", "name": "pixelflut", "cmd": "apps/idle.py", "persistent": False},
     {"guiname": "IDLE2", "name": "idlec", "cmd": "apps/idle2"},
     {"guiname": "YoutubeDL", "name": "youtubedl", "cmd": "apps/youtubedl.sh"},
+    {"name": "pong", "cmd": "apps/pong.py"},
     {"name": "framebuffer", "cmd": ["apps/fbcp", "/dev/fb0"]},
 ]