2016-04-24 収束する線 3D /** * converged lines * * @author aa_debdeb * @date 2016/04/24 */ void setup(){ size(500, 500, P3D); stroke(0, 30); } void draw(){ background(255); for(int w = 0; w <= width; w += 20){ for(int h = 0; h <= height; h += 20){ line(w, h, -1000, mouseX, mouseY, 0); } } }