Chapter 17: Example 17-5: Rotating Text

// Learning Processing
// Daniel Shiffman
// http://www.learningprocessing.com

// Example 17-5: Rotating text 

PFont f;
String message = "this text is spinning";
float theta;

void setup() {
  size(200,200);
  f = createFont("Arial", 20, true);
}

void draw() {
  
  background(255);
  fill(0);
  textFont(f);                 // Set the font
  translate(width/2,height/2); // Translate to the center
  rotate(theta);               // Rotate by theta
  textAlign(CENTER) ;
  
  // The text is center aligned and displayed at (0,0) after translating and rotating. 
  // See Chapter 14 or a review of translation and rotation.
  text(message,0,0); 
  
  // Increase rotation
  theta += 0.05; 
}