Diff: main.cpp

Revision:

0:f81fa18f9e85

Child:

1:0d85663db186

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Aug 14 20:33:51 2016 +0000
@@ -0,0 +1,203 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2016 British Broadcasting Corporation.
+This software is provided by Lancaster University by arrangement with the BBC.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+*/
+
+//****** Cup and Ball game ******
+//the object of the game is to catch the ball in the cup.
+//the cup is at the bottom of the screen and the ball appears
+//at the top of the screen. The player has three lives before
+//the game will end dslpaying the score.
+
+#include "MicroBit.h"
+
+MicroBit uBit;
+
+int ball_x = 0;
+int ball_y = 0;
+int loop = 0;
+int before_x = 0;
+int now_x = 0;
+int cup_x = 0;
+int score = 0;
+int lives = 3;
+int falling_speed = 500;
+
+const int cup_y = 4;
+
+bool game_running = true;
+bool pause = false;
+
+// show your smiley face on the screen...
+MicroBitImage smiley("0,0,0,0, 0\n0,255,0,255,0\n0,0,0,0,0\n255,0,0,0,255\n0,255,255,255,0\n");
+
+// show your sad face on the screen...
+MicroBitImage sad("0,0,0,0, 0\n0,255,0,255,0\n0,0,0,0,0\n0,255,255,255,0\n255,0,0,0,255\n");
+
+
+void onButtonA(MicroBitEvent e)
+{
+    if(pause == false)
+    {
+        if(cup_x > 0)
+        {
+            uBit.display.image.setPixelValue(cup_x,cup_y,0);
+            cup_x = cup_x - 1; 
+            uBit.display.image.setPixelValue(cup_x,cup_y,255);
+        }
+    }
+}
+
+void onButtonB(MicroBitEvent e)
+{
+    if(pause == false)
+    {
+        if(cup_x < 4)
+        {
+            uBit.display.image.setPixelValue(cup_x,cup_y,0);
+            cup_x = cup_x + 1; 
+        uBit.display.image.setPixelValue(cup_x,cup_y,255);
+        }
+    }
+}
+
+void ball_catch()
+{
+    //disable the buttons
+    pause = true;
+    
+    score = score + 1;
+    uBit.display.clear();
+    
+    for (int y=4; y >= 0; y--)
+    {
+        uBit.display.image.paste(smiley,0,y);
+        uBit.sleep(100);
+    }
+    
+    uBit.sleep(1000);
+    uBit.display.scroll(score);
+    uBit.sleep(1000);
+    uBit.display.clear();
+    
+    //increase the speed of the ball by subtracting each time
+    falling_speed = (falling_speed - 30);
+    
+    //enable the buttons
+    pause = false;
+}
+
+void ball_missed()
+{
+    uBit.display.clear();
+    lives = lives - 1;
+    
+    if(lives == 0)
+    {
+        game_running = false;
+        uBit.display.clear();
+        uBit.display.scroll("GAME OVER! SCORE:");
+        uBit.display.scroll(score);
+    }
+    else
+    {    
+        for (int y=4; y >= 0; y--)
+        {
+            uBit.display.image.paste(sad,0,y);
+            uBit.sleep(100);
+        }
+        uBit.sleep(1000);
+        uBit.display.clear();
+    }
+}
+
+void welcome()
+{
+    uBit.display.scroll("Ball Catch");
+}
+
+int main()
+{
+    //display the welcome message
+    welcome();
+    
+    // Initialise the micro:bit runtime.
+    uBit.init();
+    
+    uBit.messageBus.listen(MICROBIT_ID_BUTTON_A, MICROBIT_BUTTON_EVT_DOWN, onButtonA);
+    uBit.messageBus.listen(MICROBIT_ID_BUTTON_B, MICROBIT_BUTTON_EVT_DOWN, onButtonB);
+
+    while(game_running)
+    {
+                
+        //get random starting point for ball to drop from        
+        do
+        {now_x = uBit.random(5);
+        }while (now_x == before_x);
+        
+        before_x = now_x;
+        ball_x = now_x;
+        ball_y = 0;
+        
+        
+        //get random starting point for cup at bottom screen
+        //cup_x = uBit.random(5);
+        do
+        {cup_x = uBit.random(5);
+        }while (cup_x == ball_x);
+        //check to make sure the starting point of the ball is not the same os the cup
+        //otherwise it would score a point even if not buttones were pressed
+                
+        
+        //display the cup on the screen at the bottom at a random location
+        uBit.display.image.setPixelValue(cup_x,cup_y,255);
+        
+        //wait a small amount of time after showing the cup
+        //and before showing the ball at the top of the screen
+        uBit.sleep(100);
+        
+        //game loop
+        for ( loop = 0; loop < 5; loop++ ) {
+            uBit.display.image.setPixelValue(ball_x,ball_y,255);
+            uBit.sleep(falling_speed);
+            uBit.display.image.setPixelValue(ball_x,ball_y,0);
+            ball_y = ball_y + 1;
+            
+            if(ball_y == 5)
+            {  
+                //check to see if the cup has caught the ball
+                if((ball_x == cup_x) and ((ball_y - 1) == cup_y))
+                {
+                    ball_catch();
+                }
+                else
+                {
+                    ball_missed();
+                }   
+            }                
+        }
+        
+        uBit.sleep(100);               
+    }
+}
+