Add Fairydust effect

fairydust.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python3
+
+import time
+import socket
+import random
+import math
+
+IP_ADDRESS = "2001:638:904:ffc9::2"
+PORT = 1234
+
+W = 1920
+H = 1080
+
+s_w = 60
+s_w_d = 9
+s_c = "F904BC"
+s_c2 = "F7B9E7"
+
+target_x = random.randint(200, W-200)
+target_y = random.randint(200, H-200)
+
+
+s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
+s.connect((IP_ADDRESS, PORT))
+
+x = random.randint(0, W)
+y = random.randint(0, H)
+d_x = 0
+d_y = 0
+step = 1
+speed_x = 1
+speed_y = 1
+
+while True:
+    if x < target_x:
+        d_x += step
+    else:
+        d_x -= step
+
+    if y < target_y:
+        d_y += step
+    else:
+        d_y -= step
+
+    d_x += random.randint(-1,1)
+    d_y += random.randint(-1,1)
+
+    x += d_x
+    y += d_y
+
+    if d_x > 20:
+        d_x = 20
+
+    if d_y > 20:
+        d_y = 20
+
+    if x < 100 or x > W-100:
+        d_x = d_y//2
+
+    if y < 100 or  y > H-100:
+        d_y = d_y//2
+
+    s_w = int(math.sqrt(d_x**2+d_y**2)*2)
+
+    s_w += s_w_d*2
+    s_r = s_w//2
+    s_r_q = s_r**2
+
+    out = []
+
+    for i in range(s_w):
+        for j in range(s_w):
+            if (i-s_r)**2 + (j-s_r)**2 <= s_r_q:
+                ii = i - s_w//2
+                jj = j - s_w//2
+                if (i-s_r)**2 + (j-s_r)**2 <= s_w_d:
+                    c = s_c
+                else:
+                    c = s_c2
+                out.append("PX {} {} {}\n".format(x+ii,y+jj, c))
+
+    frame_end_time = time.time() + 0.1
+    while time.time() < frame_end_time:
+        s.send("".join(out).encode("utf-8"))
+
+
+    #time.sleep(0.1)