From 13b3399ea96e5cfec97b9068f3ad561a0486df66 Mon Sep 17 00:00:00 2001
From: Marek Ventur <marekventur@gmail.com>
Date: Fri, 31 Aug 2018 17:47:22 +0100
Subject: [PATCH] Snake - closes #9

---
 snake/main.py | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 snake/main.py

diff --git a/snake/main.py b/snake/main.py
new file mode 100644
index 0000000..3a766ea
--- /dev/null
+++ b/snake/main.py
@@ -0,0 +1,125 @@
+"""Snake!"""
+
+___name___         = "Snake"
+___license___      = "MIT"
+___categories___   = ["Games"]
+___dependencies___ = ["dialogs", "app", "ugfx_helper", "random", "sleep", "buttons"]
+
+import math, ugfx, ugfx_helper, random, sleep, buttons
+from tilda import Buttons
+
+ugfx_helper.init()
+
+def one_round():
+    grid_size = 8;
+    body_colour = ugfx.RED
+    back_colour = 0;
+    food_colour = ugfx.YELLOW
+    wall_colour = ugfx.BLUE
+    score = 0;
+    edge_x = math.floor(ugfx.width()/grid_size)-2;
+    edge_y = math.floor(ugfx.height()/grid_size)-2;
+
+    def disp_square(x,y,colour):
+        ugfx.area((x+1)*grid_size, (y+1)*grid_size, grid_size, grid_size, colour)
+
+    def disp_body_straight(x,y,rotation,colour):
+        if (rotation == 0):
+            ugfx.area((x+1)*grid_size+1, (y+1)*grid_size+1, grid_size-2, grid_size, colour)
+        elif (rotation == 90):
+            ugfx.area((x+1)*grid_size+1, (y+1)*grid_size+1, grid_size, grid_size-2, colour)
+        elif (rotation == 180):
+            ugfx.area((x+1)*grid_size+1, (y+1)*grid_size-1, grid_size-2, grid_size, colour)
+        else:
+            ugfx.area((x+1)*grid_size-1, (y+1)*grid_size+1, grid_size, grid_size-2, colour)
+
+    def disp_eaten_food(x,y,colour):
+        ugfx.area((x+1)*grid_size, (y+1)*grid_size, grid_size, grid_size, colour)
+
+    def randn_square():
+        return  [random.randrange(edge_x), random.randrange(edge_y)]
+
+    body_x = [12,13,14,15,16]
+    body_y = [2,2,2,2,2]
+
+    ugfx.area(0,0,ugfx.width(),ugfx.height(),0)
+
+    ugfx.area(0,0,grid_size*(edge_x+1),grid_size,wall_colour)
+    ugfx.area(0,0,grid_size,grid_size*(edge_y+1),wall_colour)
+    ugfx.area(grid_size*(edge_x+1),0,grid_size,grid_size*(edge_y+1),wall_colour)
+    ugfx.area(0,grid_size*(edge_y+1),grid_size*(edge_x+2),grid_size,wall_colour)
+
+    keepgoing = 1;
+
+    food = [20,20]
+    disp_square(food[0],food[1],food_colour)
+
+    dir_x = 1
+    dir_y = 0
+    orient = 270
+
+    #for i in range(0,len(body_x)):
+    #   disp_body_straight(body_x[i],body_y[i],orient,body_colour)
+
+    while keepgoing:
+        if Buttons.is_pressed(Buttons.JOY_Right) or Buttons.is_pressed(Buttons.BTN_6):
+            dir_x = 1;
+            dir_y = 0;
+            orient = 270
+        elif Buttons.is_pressed(Buttons.JOY_Left) or Buttons.is_pressed(Buttons.BTN_4):
+            dir_x = -1;
+            dir_y = 0;
+            orient = 90
+        elif Buttons.is_pressed(Buttons.JOY_Down) or Buttons.is_pressed(Buttons.BTN_8):
+            dir_y = 1;
+            dir_x = 0;
+            orient = 180
+        elif Buttons.is_pressed(Buttons.JOY_Up) or Buttons.is_pressed(Buttons.BTN_0):
+            dir_y = -1;
+            dir_x = 0;
+            orient = 0
+
+        body_x.append(body_x[-1]+dir_x)
+        body_y.append(body_y[-1]+dir_y)
+
+        for i in range(0,len(body_x)-1):
+            if (body_x[i] == body_x[-1]) and (body_y[i] == body_y[-1]):
+                keepgoing = 0
+
+        if not((body_x[-1] == food[0]) and (body_y[-1] == food[1])):
+            x_del = body_x.pop(0)
+            y_del = body_y.pop(0)
+            disp_eaten_food(x_del,y_del,back_colour)
+        else:
+            disp_eaten_food(food[0],food[1],body_colour)
+            food = randn_square()
+            disp_square(food[0],food[1],food_colour)
+            score = score + 1
+
+        disp_body_straight(body_x[-1],body_y[-1],orient,body_colour)
+
+
+        if ((body_x[-1] >= edge_x) or (body_x[-1] < 0) or (body_y[-1] >= edge_y) or (body_y[-1] < 0)):
+            break
+
+        sleep.sleep(0.1)
+    return score
+
+playing = 1
+while playing:
+    score = one_round()
+    ugfx.area(0,0,ugfx.width(),ugfx.height(),0)
+    ugfx.text(30, 30, "GAME OVER Score: %d" % (score), 0xFFFF)
+    ugfx.text(30, 60, "Press A to play again", 0xFFFF)
+    ugfx.text(30, 90, "Press MENU to quit" , 0xFFFF)
+    while True:
+        sleep.wfi()
+        if buttons.is_triggered(Buttons.BTN_A):
+            break
+
+        if buttons.is_triggered(Buttons.BTN_Menu):
+            playing = 0
+            break
+
+app.restart_to_default()
+