added comments

Author: bhorowitz

heathoundary.pde

@@ -3,13 +3,13 @@
 
 // Ben Horowitz ([email protected])
 
-int bh = 300;
-int bw = 300;
-int[][] temp = new int[bh][bw];
-int[][] temp1 = new int[bh][bw];
-int mint=0;
+int bh = 300; //# of boxes in height direction
+int bw = 300; //# of boxes in width direction
+int[][] temp = new int[bh][bw]; // updated array
+int[][] temp1 = new int[bh][bw]; // old array
+int mint=0; 
 int maxt=100;
-float k = 0.5;
+float k = 0.5; // "heat transfer coefficient"-like thing
 
 
 
@@ -30,29 +30,24 @@ int t;
 
 void intcond()
 {
-  
-  
  float h;
   h= height/bh;
   float w;
   w= width/bw;
-  
  for(int i=0; i < bw; i+=1)
   {
       for(int j=0; j < bh; j+=1)
-      {
-       
-        
-       if(i==0 || i==bw-1 || j==0 ||  j==bh-1)
-      {
-        temp[i][j]=10;
-        temp1[i][j]=10;
-      }
-      else
-      {
-       temp[i][j] = int(random(256));
-       temp1[i][j]= temp[i][j];
-      }
+      { 
+       	if(i==0 || i==bw-1 || j==0 ||  j==bh-1)
+     	 {	
+		temp[i][j]=10;
+        	temp1[i][j]=10;
+      		}
+      	else
+      	{
+		temp[i][j] = int(random(256));
+       		temp1[i][j]= temp[i][j];
+      	}
       }
   }
 }
@@ -96,7 +91,7 @@ void draw()
   {
     for(int j=0; j*h < height; j+=1)
     {
-      temp1[i][j]=temp[i][j];
+      temp1[i][j]=temp[i][j]; //updating array
     }
   }
 } 

nbody.pde

@@ -5,13 +5,13 @@
 int bh = 100;
 int bw = 100;
 int n = 60;
-float a = 0.0000000002*10;
+float a = 0.0000000002*10; //transfer coefficient
 float[] pos_x = new float[n];
 float[] pos_y = new float[n];
 float[] vel_x = new float[n];
 float[] vel_y = new float[n];
 float[] mass = new float[n];
-float k = 0.5;
+float k = 0.5; //collision radius
 
 
 
@@ -71,6 +71,7 @@ void draw()
     	 pos_y[i] = pos_y[i] + vel_y[i]/20;
     	 vel_x[i] = vel_x[i] + dv_x;
     	 vel_y[i] = vel_y[i] + dv_y;
+	 \\collisions
     	 if(pos_x[i]-pos_x[j] < mass[i]/2 & pos_x[i]-pos_x[j]>0){
    	       if(pos_y[i]-pos_y[j] < mass[i]/2 & pos_y[i]-pos_y[j]>0){
       	           mass[i]=mass[i]+mass[j];