new game: Crude replica of 1958's Tennis for Two game

SCTVcode/t_tennis4two.ino

@@ -0,0 +1,130 @@
+// ----------------------------------- Tennis for Two Game -----------------------------------
+
+// T42 variables
+const int COURTSIZE 	= 2000;
+const int BALLSIZE	= 20;
+const int NETHEIGHT	= 250;
+const int COURTLENGTH	= 3000;
+const int HBOXLEFT	= -1200;
+const int HBOXRIGHT	= 1200;
+const int HBOXTOP = 1200;
+const int HBOXBOT = -1200;
+const int BOUNDS = 1000;
+const int RESTART	= 50;
+const int CENTERPOINT = 0;
+const int COURT = -300;
+const float COR = 0.75; // realistic tennis bouce coefficient
+const float NETCOR = 0.5;
+const int NETBOTTOM = -300;
+const int NETTOP = -50;
+const int BDELAYFRAMES = 50;
+const float GRAVITY = 5.5;
+const int DRAG = 2.0;
+
+bool twaitingForBall = true;
+int tWaitFrames = BDELAYFRAMES;
+
+float tXBall = 1200;
+float tYBall = 350;
+float tXVel = -15;
+float tYVel = -9.7;
+int curSec = Secs;
+int prevSec = Secs;
+int counter = 0;
+int modifier = 0;
+int retardent = 0;
+
+struct item t42List[] = {};
+
+void T42() 
+{
+	// read the position controls for paddles, and average for smooth readings
+	int leftPaddle = 0;
+	int rightPaddle = 0;
+	for (int i = 0; i < 40; i++) {
+		leftPaddle += analogRead(XPosPin) - 512;	// read position controls
+		rightPaddle += analogRead(YPosPin) - 512;	// make bipolar so midpoint is nominal
+	}
+  // Center in the display area, scale for correct overshoot
+  leftPaddle = leftPaddle / 700;
+  rightPaddle = rightPaddle / 700;
+
+  // draw the court lines
+  drawALine( CENTERPOINT, CENTERPOINT-300, CENTERPOINT, CENTERPOINT+NETHEIGHT-300); // draw the net
+  drawALine( HBOXLEFT, COURT, HBOXRIGHT, COURT); // draw the court
+
+  // Check if the ball hits the court floor
+  if ((tYBall - BALLSIZE / 2) >= COURT - 20 && (tYBall - BALLSIZE / 2) <= COURT + 20 && tYVel - GRAVITY * modifier <= 0) 
+  {
+      tYVel = -tYVel*COR;
+      modifier = 0; // reset gravity
+      curSec = Secs; // reset dt
+  }
+
+
+  // Check if the ball hits the net from the right side
+  if ((tXBall - BALLSIZE / 2 ) < 50 && (tXBall - BALLSIZE / 2) > -20 && (tYBall - BALLSIZE / 2) < NETTOP && tXVel < 0) tXVel = -NETCOR * tXVel;
+
+  // Check if the ball hits the net from the left side
+  if ((tXBall + BALLSIZE / 2) < 20 && (tXBall + BALLSIZE / 2) > -50 && (tYBall - BALLSIZE / 2) < NETTOP && tXVel > 0) tXVel = -NETCOR * tXVel;
+
+  // Check if the ball has fallen off the court
+  if ((tXBall < HBOXLEFT - 1000) || (tXBall > HBOXRIGHT + 1000) || (tYBall > HBOXTOP + 1000) || (tYBall < HBOXBOT - 1000) )
+  {
+     tXBall = 1200;
+     tYBall = 350;
+     twaitingForBall = true;
+     tWaitFrames = BDELAYFRAMES;
+  }
+
+
+  if (pushed) 
+  {
+     if ((tXBall - BALLSIZE / 2) < 0)
+     {
+        pushed = false;
+        tXVel = 20;
+        tYVel = leftPaddle;
+        modifier = 0; // reset gravity
+        curSec = Secs; // reset dt
+     } else {
+        pushed = false;
+        tXVel = -20;
+        tYVel = rightPaddle;
+        modifier = 0; // reset gravity
+        curSec = Secs; // reset dt
+     }
+  }
+
+
+  if (twaitingForBall)
+  {
+     if (tWaitFrames > 0)
+     {
+      tWaitFrames--;
+     } else {
+      twaitingForBall = false;
+      tYVel = -9.7;
+      tXVel = -10;
+      modifier = 0; // reset gravity
+      curSec = Secs; // reset dt
+     }
+  } else {
+    prevSec = Secs;
+    if (curSec != prevSec) retardent++;
+    if (retardent == 7)
+    {
+       modifier++;
+       retardent = 0;
+    }
+
+    // hold until ball is ready to release
+    // Draw the ball now
+    tYBall += int(tYVel-GRAVITY*modifier);
+
+    tXBall += int(tXVel);
+    drawACircle (int(tXBall), int(tYBall), BALLSIZE);
+  }
+
+}
+

SCTVcode/w_menus.ino

@@ -83,7 +83,7 @@ struct item locMenu[] = {
 // This is the clock display option list
 
 // If Clock is zero; then draw hands
-const int NClks = 8;    // number of clock faces to choose from (splash doesn't count)
+const int NClks = 9;    // number of clock faces to choose from (splash doesn't count)
 
 // list of clock face draw lists
 item * ClkList[] = 
@@ -97,6 +97,7 @@ item * ClkList[] =
     time6dList,  // 6 digit digital clock with date
     haikuList,   // some poetry at random
  //   flwList,     // four letter words at random
+    t42List,     // Tennis for Two game.
     splashList,  // splash screen vanishes when knob touched
     0};
 // -------------------------- Menu navigation -----------------------

SCTVcode/z_main.ino

@@ -125,7 +125,7 @@ void loop()
       myGps.encode(userial.read());
   }
 
-  if ((theClock != 1) && (theClock != 2))  // Pong and Tetris use position controls as paddles
+  if ((theClock != 1) && (theClock != 2) && (theClock != 8))  // Pong and Tetris and T42use position controls as paddles
   {
     xPos = yPos = 0;
     for (i=0;i<40;i++) {
@@ -162,7 +162,12 @@ void loop()
         rScore = 0;
         waitingForBall = true;                 // let the user have a chance to get ready
         waitFrames = ballStartDelayFrames;
-        xBall = centerLine;                   // give them a chance
+        xBall = centerLine;                   // give them a chance*/
+      }
+      if (theClock == 8)
+      {
+        twaitingForBall = true;
+        tWaitFrames = BDELAYFRAMES;
       }
       if (theClock == 2)
       {
@@ -174,7 +179,8 @@ void loop()
     if (theClock == 0) DrawClk();        // clock 0 has hands to draw
     if (theClock == 1) doPong();         // clock 1 is Pong
     if (theClock == 2) drawTetris();     // clock 2 is Tetris
-    if (pushed) 
+    if (theClock == 8) T42();
+    if (theClock != 8 && pushed) 
     {
       whichList = mainMenu;
       HotItem = 1;