topical media & game development 
  
 
 
 
 
  
    
    
  
 graphic-processing-site-examples-Basics-Input-MouseSignals-MouseSignals.pde / pde
  
 Mouse Signals. 
 
 Move and click the mouse to generate signals. 
 The top row is the signal from "mouseX", 
 the middle row is the signal from "mouseY",
 and the bottom row is the signal from "mousePressed". 
  
   
  int[] xvals;
  int[] yvals;
  int[] bvals;
  
  void setup() 
  {
    size(200, 200);
    xvals = new int[width];
    yvals = new int[width];
    bvals = new int[width];
  }
  
  int arrayindex = 0;
  
  void draw()
  {
    background(102);
    
    for(int i=1; i<width; i++) { 
      xvals[i-1] = xvals[i]; 
      yvals[i-1] = yvals[i];
      bvals[i-1] = bvals[i];
    } 
    // Add the new values to the end of the array 
    xvals[width-1] = mouseX; 
    yvals[width-1] = mouseY;
    if(mousePressed) {
      bvals[width-1] = 0;
    } else {
      bvals[width-1] = 255;
    }
    
    fill(255);
    noStroke();
    rect(0, height/3, width, height/3+1);
  
    for(int i=1; i<width; i++) {
      stroke(255);
      point(i, xvals[i]/3);
      stroke(0);
      point(i, height/3+yvals[i]/3);
      stroke(255);
      line(i, 2*height/3+bvals[i]/3, i, (2*height/3+bvals[i-1]/3));
    }
  }
  
  
  
(C) Æliens 
20/2/2008
You may not copy or print any of this material without explicit permission of the author or the publisher. 
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