https://www.instagram.com/explore/tags/30daysopenframeworks/
Drawing Primitives
ofSetLineWidth(5);
ofDrawLine(x1, y1, x2, y2);
strokeWeight(5);
line(x1, y1, x2, y2);
ofRect(x, y, w, h);
rect(x, y, w, h);
ofTriangle(x1, y1, x2, y2, x3, y3);
triangle(x1, y1, x2, y2, x3, y3);
ofDrawCircle(x, y, r);
ellipse(x, y, r);
ofFill(r, g, b, alpha);
ofNoFill();
fill(r, g, b, alpha);
noFill();
ofPoint(x, y);
dot(x, y);