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var x = 200;
var y = 200;
function setup() {
createCanvas(400, 400);
}
function draw() {
background(220);
ghost();
if(keyIsDown(LEFT_ARROW)){
x -= 5;
}
if(keyIsDown(RIGHT_ARROW)){
x += 5;
}
if(keyIsDown(UP_ARROW)){
y -= 5;
}
if(keyIsDown(DOWN_ARROW)){
y += 5;
}
if(y>400){
y = 0;
}
if(y < 0){
y = y + 400;
}
if(x>400){
x = 0;
}
if(x<0){
x=x+400;
}
}
function ghost(){
fill("blue");
ellipse(x,y,100,100);
}