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//Punkt, Linie, Kreis, Quadrat
//in schwarz und weiß und variiert in positiv/negativ,
//Deckkraft/Transparenz,
//Kontur/Fläche und Größe/ Menge
function setup() {
createCanvas(windowWidth, windowHeight);
background(0,0,0);
}
function draw() {
//outline color
stroke(255,255,255);
//content within rectangle
noFill();
//main rectangle position and size
rect(mouseX, mouseY, 100 , 100);
//small ellipse on left upper corner of rectangle
ellipse(mouseX, mouseY, 50, 50);
//small ellipse on left upper corner of rectangle
ellipse(mouseX+100, mouseY+100, 50, 50);
//line to, from middle of screen to right upper corner of rectangle
line(windowWidth/2, windowHeight/2, mouseX+100, mouseY);
//line from middle of screen to left lower corner of rectangle
line(windowWidth/2, windowHeight/2, mouseX, mouseY+100);
}