aho_04_variables2.pde

size(300,300);
background(100,100,100);

ellipseMode(CENTER_DIAMETER);

float x1,y1,x2,y2,x3,y3,x4,y4;

x1=50;
y1=50;

x2=250;
y2=50;

x3=250;
y3=250;

x4=150;
y4=150;

stroke(255);

bezier(x1,y1,
x2,y2,
x3,y3,
x4,y4);

line(x1,y1, x2,y2);
line(x4,y4, x3,y3);