size(640, 400);

// background(0, 0, 255);
point(10, 5);
line(5, 20, 15, 10);

/*
fill(100);
rect(50, 5, 30, 70);

fill(50, 100, 75);
stroke(255, 0, 0);

ellipse(80, 80, 40, 50);
triangle(10, 5, 100, 20, 30, 59);
*/

fill(255, 0, 0);
ellipse(50, 55, 50, 50);
fill(0, 255, 0);
arc(50, 55, 50, 50, 0, HALF_PI);