Diff: main.cpp

Revision:

0:2353da390056

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 12 21:35:42 2011 +0000
@@ -0,0 +1,109 @@
+/** ST7735 Pong by Jonne Valola, derived work from William Johnston's mbed Pong for NokiaLCD / PS2 keyboard
+* This pong uses a rotary encoder hooked to pins 21 and 22,
+* ST7735_TFT library by me, RotaryEncoder library by Shinichiro Nakamura
+* All copyrights of respective owners. Use on your own risk and discretion.  
+*/ 
+
+#include "mbed.h"
+#include "ball.h"
+#include "paddle.h"
+#include "ST7735_TFT.h"
+#include "string"
+#include "Arial12x12.h"
+#include "Arial24x23.h"
+#include "RotaryEncoder.h"
+
+RotaryEncoder re(p21, p22, 0, 600, 300);
+
+// State enumerator
+typedef enum {
+  RESET, RUN, PAUSE
+} STATES;
+
+ST7735_TFT lcd(p5, p6, p7, p8, p11, p15,"TFT"); // mosi, miso, sclk, cs, rs, reset
+
+/* 
+ * Subroutine drawScreen:
+ * Description: Draws both paddles
+ *  and the ball.
+ */
+void drawScreen(Paddle paddle1, Paddle paddle2, Ball theBall, bool isBlack) {
+  paddle1.draw(lcd, isBlack);
+  paddle2.draw(lcd ,isBlack);
+  theBall.draw(lcd ,isBlack);
+}
+
+/* 
+ * Subroutine drawScores:
+ * Description: Draws the scoreboard
+ */
+void drawScores(Paddle paddle1, Paddle paddle2) {
+  lcd.locate(60,1);
+  lcd.printf("%d", paddle1.getScore());
+  lcd.locate(90,1);
+  lcd.printf("%d", paddle2.getScore());
+  lcd.fillrect(79,0,81,128,0xFFFFFF);
+}
+
+int main() {
+  lcd.background(0x000000);
+  lcd.cls();
+  lcd.set_orientation(1);
+  lcd.set_font((unsigned char*) Arial12x12);  // select the font
+  Paddle paddle1, paddle2;
+  Ball theBall;
+  int temp, count=0, oldY;
+  drawScreen(paddle1, paddle2, theBall, false);
+  drawScores(paddle1, paddle2);
+  STATES state = RESET; // Initial state is RESET
+  while(1) {  
+    switch(state) {
+      case RESET: // Reset objects, draw the screen, state = PAUSE
+        lcd.cls();
+        paddle1 = Paddle(0,40,5,25,0xFFFFFF,paddle1.getLives(),paddle1.getScore());
+        paddle2 = Paddle(154,40,5,25,0xFFFFFF,paddle2.getLives(),paddle2.getScore());
+        theBall = Ball(80,64,5,5,0xFFFF00,1,1);
+        drawScreen(paddle1, paddle2, theBall, false);
+        drawScores(paddle1, paddle2);
+        oldY = re.getVal();
+        state = RUN;
+        break;
+      case RUN: 
+        if (oldY > re.getVal()) { // Executes if encoder turned
+                if(paddle1.getY()>2)
+                paddle1.move(lcd, -2);
+        }
+         if (oldY < re.getVal()) { // Executes if encoder turned
+              if(paddle1.getY()+paddle1.getHeight()<128)
+                paddle1.move(lcd, 2);
+        }
+        oldY = re.getVal();
+       
+        if(count%2) // Only let CPU move once every 2 times through the loop
+          paddle2.moveCPU(lcd, theBall.getY());
+        if(++count==5) { // Only move the ball once every 5 times through the loop
+          count = 0;
+          if(theBall.hitP1((paddle1.getX()+paddle1.getWidth()), paddle1.getY(), paddle1.getHeight()))
+            theBall.reverseX();
+          if(theBall.hitP2(paddle2.getX(), paddle2.getY(), paddle2.getHeight()))
+            theBall.reverseX();
+          if(theBall.hitX()) { // If the ball hits one of the sides of the screen
+            if(theBall.getX()<7) { // If the ball hit paddle1's side
+                paddle2.addPoint();              
+            }
+            else if(theBall.getX()>153) { // If the ball hit paddle2's side
+                paddle1.addPoint();            
+            }
+            theBall.reverseX();
+            state = RESET; // Reset the objects
+          }
+          if(theBall.hitY()) 
+            theBall.reverseY();
+          theBall.move(lcd);
+        }
+        break;
+    }
+    drawScreen(paddle1, paddle2, theBall, false);
+    drawScores(paddle1, paddle2);
+  }
+}