Getting Started 
        
      installation of the modified version 
        
      the best introduction 
        
      setup() and loop()
        
      half a semester in one slide... (notes from the past) 
      Basic Statements -> Static Form 
      Into 3D 
      Motion and interactivity 
        
      more here... 
        
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void setup() {
  size(200, 200);
  ellipseMode(CENTER_DIAMETER);
}
void loop() {
  background(#F080D0);
  fill(#F0D020);
  
  drawCircle(mouseX, mouseY);
}
void drawCircle(float x, float y) {
  push();
  fill(#F0D020);
  translate(mouseX, mouseY);
  ellipse(0, 0, 50, 50); 
  pop();
} 
    
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