Scale Shape Illustration

/**
 * Scale Shape.  
 * Illustration by George Brower. 
 * 
 * Move the mouse left and right to zoom the SVG file.
 * This shows how, unlike an imported image, the lines
 * remain smooth at any size.
 */

PShape* bot;

void setup() {
  size(640, 360);

  // The file "bot1.svg" must be in the data folder
  // of the current sketch to load successfully
  bot = loadShape("bot1.svg");
} 

void draw() {
  background(102);

  translate(width/2, height/2);

  float zoom = map(mouseX, 0, width, 0.1, 4.5);

  scale(zoom);

  shape(bot, -140, -140);
}