added broken game-of-life

Author: annejan

software/conway/conway.ino

@@ -0,0 +1,179 @@
+//Game of Life with MAX7219
+
+// BROKEN SOMEHOW
+
+/*
+
+     * dataPin		pin on the Arduino where data gets shifted out
+     * clockPin		pin for the clock
+     * csPin		pin for selecting the device
+     * numDevices	maximum number of devices that can be controled
+LedControl(int dataPin, int clkPin, int csPin, int numDevices=1);
+*/
+/*******************************************************************************/
+
+#include "LedControl.h"     //Imports the library
+
+static const int DATA_PIN = 20;
+static const int CLK_PIN  = 5;
+static const int CS_PIN   = 21;
+
+LedControl lc = LedControl(DATA_PIN, CLK_PIN, CS_PIN, 1);
+
+#define SIZEX 8             //Sets the X axis size
+#define SIZEY 8             //Sets the Y axis size
+#define reseedrate 30       //Sets the rate the world is re-seeded
+#define brightness 15       //Values from 1 to 15 to set the brightness
+long density = 35;          //Sets density % during seeding
+unsigned long delaytime = 150; //Sets the time each generation is shown
+int generation = 0;         //Counter for re-seeding
+int analogPin = 0;          //analogPin for the random seed data
+
+unsigned char world1[8][8] = {
+  {0, 0, 0, 1, 0, 0, 0, 0},
+  {0, 0, 1, 0, 1, 0, 0, 0},
+  {0, 1, 0, 1, 1, 0, 0, 0},
+  {1, 0, 1, 0, 0, 1, 1, 0},
+  {0, 1, 1, 0, 0, 1, 0, 1},
+  {0, 0, 0, 1, 1, 0, 1, 0},
+  {0, 0, 0, 1, 0, 1, 0, 0},
+  {0, 0, 0, 0, 1, 0, 0, 0}
+};
+unsigned char world2[8][8];
+
+/*******************************************************************************/
+/* display cells */
+
+void display_cells(unsigned char world1[8][8])
+{
+  int i, j;
+  for (i = 0; i < SIZEX; i++)
+  {
+    for (j = 0; j < SIZEY; j++)
+    {
+      lc.setLed(0, i, j, world1[i][j]);
+
+    }
+  }
+}
+
+/*******************************************************************************/
+/* compute previous generation*/
+
+void previous_generation(unsigned char world1[8][8], unsigned char world2[8][8])
+{
+  int i, j;
+
+  for (i = 0; i < SIZEX; i++)
+  {
+    for (j = 0; j < SIZEY; j++)
+    {
+      world2[i][j] = world1[i][j];
+    }
+  }
+}
+
+/*******************************************************************************/
+/* compute next generation */
+
+void next_generation(unsigned char world1[8][8], unsigned char world2[8][8])
+{
+  int i, j;
+
+  for (i = 0; i < SIZEX; i++)
+  {
+    for (j = 0; j < SIZEY; j++)
+    {
+      world1[i][j] = world2[i][j];
+    }
+  }
+}
+
+
+/*******************************************************************************/
+/* compute neighboring cells */
+
+void neighbours(unsigned char world1[8][8], unsigned char world2[8][8])
+{
+  int a = 0;
+
+  for (int i = 0; i < SIZEX; i++)
+  {
+    int above = (i + SIZEX - 1) % SIZEX;
+    int below = (i + 1) % SIZEX;
+
+    for (int j = 0; j < SIZEY; j++)
+    {
+      int left = (j + SIZEY - 1) % SIZEY;
+      int right = (j + 1) % SIZEY;
+
+      a += world1[above][left];
+      a += world1[above][j];
+      a += world1[above][right];
+      a += world1[i][left];
+      a += world1[i][right];
+      a += world1[below][left];
+      a += world1[below][j];
+      a += world1[below][right];
+
+      if ((world1[i][j] == 0) && (a == 3)) {
+        world2[i][j] = 1;
+      }
+      if ((world1[i][j] == 1) && ((a == 2) || (a == 3))) {
+        world2[i][j] = 1;
+      }
+      if ((world1[i][j] == 1) && ((a == 1) || (a == 0) || (a > 3))) {
+        world2[i][j] = 0;
+      }
+    }
+  }
+}
+
+/*******************************************************************************/
+/* randomize */
+
+void seedWorld(unsigned char world1[8][8])
+{
+  int i, j;
+  randomSeed(analogRead(analogPin));
+  for (i = 0; i < SIZEX; i++)
+  {
+    for (j = 0; j < SIZEY; j++)
+    {
+      if (random(100) < density); {
+        world1[i][j] = random(2);
+      }
+    }
+  }
+}
+
+/*******************************************************************************/
+
+void setup() {
+  lc.shutdown(0, false);
+  lc.setIntensity(0, brightness);
+  lc.clearDisplay(0);
+  seedWorld(world1);
+}
+
+/*******************************************************************************/
+
+void loop()
+{
+
+  if (generation++ > reseedrate)
+  {
+    seedWorld(world1);
+    lc.clearDisplay(0);
+    delay(300);
+    generation = 0;
+  }
+
+  previous_generation(world1, world2);
+  neighbours(world1, world2);
+  next_generation(world1, world2);
+  display_cells(world1);
+  delay(delaytime);
+
+
+}