Initial data commit

Task/Sierpinski-triangle/Processing/sierpinski-triangle-2.processing

@@ -0,0 +1,36 @@
+void setup() {
+  print(getSierpinskiTriangle(3));
+}
+String getSierpinskiTriangle(int n) {
+  if ( n == 0 ) {
+    return "*";
+  }
+  String s = getSierpinskiTriangle(n-1);
+  String [] split = s.split("\n");
+  int length = split.length;
+  //  Top triangle
+  String ns = "";
+  String top = buildSpace((int)pow(2, n-1));
+  for ( int i = 0; i < length; i++ ) {
+    ns += top;
+    ns += split[i];
+    ns += "\n";
+  }
+  //  Two triangles side by side
+  for ( int i = 0; i < length; i++ ) {
+    ns += split[i];
+    ns += buildSpace(length-i);
+    ns += split[i];
+    ns += "\n";
+  }
+  return ns.toString();
+}
+
+String buildSpace(int n) {
+  String ns = "";
+  while ( n > 0 ) {
+    ns += " ";
+    n--;
+  }
+  return ns;
+}