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
Revised 30 August 2007
 

   
// Sprite Animation 
// by Nicholas Zambetti <http://www.zambetti.com> 

/* create a new Matrix instance 
   pin 0: data  (din) 
   pin 1: load  (load) 
   pin 2: clock (clk) 
*/ 
 
#include <Matrix.h> 
#include <Binary.h> 
#include <Sprite.h> 
 
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 
}