This example is for Processing 3+. If you have a previous version, use the examples included with your software. If you see any errors or have suggestions, please let us know.

Shape Primitives.

The basic shape primitive functions are triangle(), rect(), quad(), ellipse(), and arc(). Squares are made with rect() and circles are made with ellipse(). Each of these functions requires a number of parameters to determine the shape's position and size.


size(640, 360);
background(0);
noStroke();

fill(204);
triangle(18, 18, 18, 360, 81, 360);

fill(102);
rect(81, 81, 63, 63);

fill(204);
quad(189, 18, 216, 18, 216, 360, 144, 360);

fill(255);
ellipse(252, 144, 72, 72);

fill(204);
triangle(288, 18, 351, 360, 288, 360); 

fill(255);
arc(479, 300, 280, 280, PI, TWO_PI);