Mohammad Khan / microbit_snake

A simple two button snake.

Dependencies:   microbit

A Snake Game with animation, score and continuous play

Steps:

  • Switch On.
  • Snake animation plays.
  • Game starts.
  • Press buttons to move the snake left, right, up and down.
  • Food appears as a dot on the display.
  • Try eating the food by manoeuvring Snake to run over it.
  • Snake grows as it eats food.
  • As it grows it becomes hard to avoid snake biting itself.
  • Game Over.
  • Snake is flashed and then score is scrolled.
  • Game restarts after replaying animation.

Controls:

  • Left Button (A)
    • If snake moving UP/DOWN moves snake to LEFT.
    • If snake moving LEFT moves snake to DOWN.
    • If snake moving RIGHT moves snake to UP.
  • Right Button (B)
    • If snake moving UP/DOWN moves snake to RIGHT.
    • If snake moving LEFT moves snake to UP.
    • If snake moving RIGHT moves snake to DOWN.

How it looks:

https://www.youtube.com/watch?v=unEs3NOvIKA

Binary to play with

/media/uploads/mazimkhan/microbit_snake_nrf51_microbit.hex

Diff: main.cpp

Revision:
4:9fd9402eca3d
Parent:
3:a0200bceae4b
Child:
5:9328487a0a46
--- a/main.cpp	Sun Apr 10 23:31:53 2016 +0000
+++ b/main.cpp	Tue Apr 12 12:08:38 2016 +0000
@@ -341,12 +341,6 @@
         Dimension nextX = snake.getHeadX();
         Dimension nextY = snake.getHeadY();
         
-        // Check snake bite
-        if (image.getPixelValue(nextX, nextY) == 15){
-            // Game Over
-            return false;
-        }   
-
         // check if we grew by eating.
         if (nextX == foodx && nextY == foody){
             // food gone
@@ -365,6 +359,12 @@
             snake.reduce();
         }
         
+        // Check snake bite
+        if (image.getPixelValue(nextX, nextY) == 15){
+            // Game Over
+            return false;
+        }   
+
         // Turn On head.
         image.setPixelValue(nextX, nextY, SNAKE_HEAD_PIXEL_BRIGHTNESS);
         uBit.display.print(image);
@@ -538,7 +538,7 @@
         uBit.display.print(MicroBitImage(5,5));
         uBit.display.setBrightness(255);
         uBit.display.scroll("SCORE-"); // don't mind spaces in a scrolling display.
-        uBit.display.scroll(score, 300);
+        uBit.display.scroll(score, 150);
     }
     
     void reset(){