commit 241e405527873c9eba03d1f23a5efccf908b2e0a
Author: megamichi <eine.3mail@gmail.com>
Date:   Fri Feb 23 20:50:09 2024 +0100

    init

diff --git a/main.py b/main.py
new file mode 100644
index 0000000..258c1e5
--- /dev/null
+++ b/main.py
@@ -0,0 +1,161 @@
+#!/usr/bin/python3
+import pygame
+import copy
+import random
+
+pygame.init()
+
+
+## funktionen
+def get_debug_text():
+    def text(text, line_counter):
+        debug_text = default_font.render(str(text), True, (255, 255, 255))
+        screen.blit(debug_text, (0, line_counter * default_font.get_height()))
+
+    line_counter = 1
+    globalvars = globals()
+    for a in globalvars:
+        text(f"{str(a)} = {str(globalvars[a])}", line_counter)
+        line_counter += 1
+
+
+def centered_text(text=str, pos=tuple, color=tuple):
+    text = default_font.render(str(text), True, color, (255, 255, 255))
+    screen.blit(text, (pos[0] - text.get_width() / 2, pos[1]))
+
+
+def draw_feld(feld, color_key, block_size):
+    for a in range(len(feld[0])):
+        for b in range(len(feld)):
+            if feld[b][a] != " ":
+                pygame.draw.rect(
+                    screen,
+                    color_key[feld[b][a]],
+                    (a * block_size, b * block_size, block_size, block_size),
+                )
+
+def verarbeite_feld(feld):
+    feldx,feldy = len(feld[0]),len(feld)
+    feld2 = copy.deepcopy(feld)
+    for y in range(len(feld)):
+        for x in range(len(feld[0])):
+            poschar = feld[y][x]
+            if poschar == "a":
+                # uberprüfe unteren block
+                bellow = feld[(y + 1) % feldy][x]
+                bellowr = feld2[(y + 1) % feldy][(x + 1) % feldx]
+                bellowl = feld2[(y + 1) % feldy][(x - 1) % feldx]
+                direction = random.choice([-1, 1])  # Zufällige Auswahl der Richtung
+                if bellow == " " and not bellow == "#":
+                    feld2[y][x] = feld[(y + 1) % feldy][x]
+                    feld2[(y + 1) % feldy][x] = feld[y][x]
+
+                elif bellowr == " " and not bellowr == "#":
+                    feld2[y][x] = feld[(y + 1) % feldy][(x + direction) % feldx]
+                    feld2[(y + 1) % feldy][(x + direction) % feldx] = feld[y][x]
+
+                elif bellowl == " " and not bellowl == "#":
+                    feld2[y][x] = feld[(y + 1) % feldy][(x + direction) % feldx]
+                    feld2[(y + 1) % feldy][(x + direction) % feldx] = feld[y][x]
+    return feld2
+
+
+def make_feld(size, mode):
+    x = screensize[0] // size
+    y = screensize[1] // size
+    feld = [[" " for _ in range(x)] for _ in range(y)]
+    if mode == "border":
+        for x in range(x):
+            feld[y - 1][x] = "#"
+    return feld, x, y
+
+
+## klassen
+
+
+## variablen
+screen = pygame.display.set_mode((800, 500), pygame.RESIZABLE)
+pygame.display.set_caption("SAND")
+screensize = pygame.display.get_window_size()
+clock = pygame.time.Clock()
+default_font = pygame.font.SysFont("sans", 14)
+
+display_mode = "border"
+feld, feldx, feldy = make_feld(20, display_mode)
+
+acolor = (255, 0, 0)
+wechselfarbe = "r"
+using_element = "a"
+pixelsize = 20
+
+show_debug = False
+running = True
+if __name__ == "__main__":
+    while running:
+        ## key managment
+        pressed_keys = pygame.key.get_pressed()
+
+        if pressed_keys[pygame.K_ESCAPE]:
+            exit()
+        if pressed_keys[pygame.K_PLUS] and not preview_pressed_keys[pygame.K_PLUS]:
+            pixelsize += 2
+            feld, feldx, feldy = make_feld(pixelsize, display_mode)
+        if pressed_keys[pygame.K_MINUS] and not preview_pressed_keys[pygame.K_MINUS]:
+            pixelsize -= 2
+            feld, feldx, feldy = make_feld(pixelsize, display_mode)
+        if pressed_keys[pygame.K_d] and not preview_pressed_keys[pygame.K_d]:
+            show_debug = not show_debug
+        if pressed_keys[pygame.K_SPACE] and not preview_pressed_keys[pygame.K_SPACE]:
+            if using_element == "a":
+                using_element = "#"
+            else:
+                using_element = "a"
+        if pressed_keys[pygame.K_r] and not preview_pressed_keys[pygame.K_r]:
+            if display_mode == "border":
+                display_mode = "loop"
+            else:
+                display_mode = "border"
+            feld, feldx, feldy = make_feld(pixelsize, display_mode)
+
+        preview_pressed_keys = pressed_keys
+        ## event managment
+        for event in pygame.event.get():
+            if event.type == pygame.QUIT:
+                exit()
+            if event.type == pygame.WINDOWRESIZED:
+                screensize = pygame.display.get_window_size()
+                feld, feldx, feldy = make_feld(pixelsize, display_mode)
+        r, g, b = acolor
+        if wechselfarbe == "r":
+            r -= 1
+            g += 1
+            if r == 0:
+                wechselfarbe = "g"
+        if wechselfarbe == "g":
+            g -= 1
+            b += 1
+            if g == 0:
+                wechselfarbe = "b"
+        if wechselfarbe == "b":
+            b -= 1
+            r += 1
+            if b == 0:
+                wechselfarbe = "r"
+        acolor = r, g, b
+        color_key = {"#": (100, 100, 100), "a": acolor}
+        draw_feld(feld, color_key, pixelsize)
+
+        mx, my = pygame.mouse.get_pos()
+        mousepressed = pygame.mouse.get_pressed()[0]
+
+        if mousepressed:
+            feld[my // pixelsize][mx // pixelsize] = using_element
+
+        preview_mousepressed = pygame.mouse.get_pressed()[0]
+        feld = verarbeite_feld(feld)
+        if show_debug:
+            get_debug_text()
+        ## bildschirm aktuallisierung
+        pygame.display.flip()
+        clock.tick(30)
+        screen.fill((0, 0, 0))