Moving libraries out of arduino platform / core directory and to top-level.

libraries/Matrix/examples/sprite_animation/sprite_animation.pde

@@ -0,0 +1,48 @@
+#include <Sprite.h>
+#include <Matrix.h>
+
+// Sprite Animation
+// by Nicholas Zambetti <http://www.zambetti.com>
+
+// Demonstrates the use of the Matrix & Sprite libraries
+// Displays animated waveform graphic on screen
+
+// Created 29 March 2006
+
+/* create a new Matrix instance
+   pin 0: data  (din)
+   pin 1: load  (load)
+   pin 2: clock (clk)
+*/
+Matrix myMatrix = Matrix(0, 2, 1);
+
+/* create a new Sprite instance
+   8 pixels wide, 4 pixels tall
+*/
+Sprite wave = Sprite(
+  8, 4,
+  B00011000,
+  B00100100,
+  B01000010,
+  B10000001
+);
+
+void setup()
+{ 
+}
+
+int x = 0;
+
+void loop()
+{
+  myMatrix.write(x, 2, wave);     // place sprite on screen
+  myMatrix.write(x - 8, 2, wave); // place sprite again, elsewhere on screen
+  delay(75);                      // wait a little bit
+  myMatrix.clear();               // clear the screen for next animation frame
+  if(x == 8)                      // if reached end of animation sequence
+  {
+    x = 0;                        // start from beginning
+  }
+  x++;                            // advance x coordinate to the right
+}
+