// CSC220F19Demo3DSphereBox, D. Parson, 9/24-26/2019
// This sketch shows how to elongate spheres using scale(...), and
// to position 3D boxes and spheres using translate().

void setup() {
  size(800, 500, P3D);
  frameRate(60);    // Must be explicit in newer Macs after setting size.
  stroke(0);
  fill(0, 255, 255);
  background(255);
}

void draw() {
  pushMatrix();  // at top of display()
  rotateY(radians(22.5)); // so we can see edges of boxes
  
  // For each body part, do a pushMatrix(), translate for its center, scale if you want to elongate a sphere, add spheres
  // and boxes, add some 2D parts (optional), then popMatrix() for each body part.

  // Put a sphere in center of screen. Note - only radius parameter, use scale(X,Y,Z) to elongate a sphere.
  pushMatrix();
  stroke(0);
  fill(0, 255, 255); // cyan
  translate(width/2, height/2, 0);
  sphere(75);
  popMatrix();
  
  // Put a box in center of screen. Box allows arguments for width, height, & depth..
  pushMatrix();
  stroke(100);
  fill(255, 255, 0); // yellow
  translate(width/2, height/2, 0);
  box(150, 75, 150); // width, height, depth
  popMatrix();
  
  // Put a sphere elongated in X direction.
  pushMatrix();
  stroke(0);
  fill(0, 255, 255); // cyan
  translate(width/4, height/4, 0);
  scale(2, 1, 1); // this elongates in X
  sphere(75);
  popMatrix();
  
  // Put a sphere elongated in Y direction.
  pushMatrix();
  stroke(0);
  fill(255, 0, 255); // magenta
  translate(3*width/4, height/4, 0);
  scale(1, 2, 1); // this elongates in Y
  sphere(75);
  popMatrix();
  
  // Put a sphere elongated in Z direction.
  pushMatrix();
  stroke(0);
  fill(128); // gray
  translate(width/4, 3*height/4, 0);
  scale(1, 1, 3); // this elongates in Z
  sphere(75);
  popMatrix();
  
  popMatrix(); // at bottom of display
}