class line1
{
int x,y,z,t;
line1(int x1, int y1, int z1, int t1)
{
x1=x;
y1=y;
z1=z;
t1=t;

}
void drawline()

{
x=x+1;
y=y+1;
z=z+1;
t=t+1;
if (x>width-150)
{
x=0;
}
if (y>width-150)
{
y=0;
}if (z>width-150)
{
z=0;
}if (t>width-150)
{
t=0;
}
stroke(x+100);
line(x+mouseX, y+mouseY-20,z+mouseX+23,t+mouseX-23); 
}
}