var x = 50; var y = 0; var angle = 45; var r = 0; var g = 0; var b = 0; var state = 0; function bounce() { angle = angle +45 -5+Math.round(Math.random()*5); if (angle > 360) angle = angle -360; if (angle < 0) angle = angle +360; } function advance(){ if (y > 80) bounce(); if (y < -80) bounce(); if (x > 280) bounce(); if (x < -280) bounce(); x = x + 10*Math.cos(angle*Math.PI/180); y = y + 10*Math.sin(angle*Math.PI/180); if (state == 0){ if(r<255){ r++; canvas.setColor(r,g,255-r); }else{state = 1;} } if (state == 1){ if(g<255){ g++; canvas.setColor(255-g,g,b); }else{state = 2;} } if (state == 2){ if(b<255){ b++; canvas.setColor(0,255-b,b); }else{state = 0; r=0; g=0; b=0;} } } canvas.clear(); for (var i =0; i<200; i++){ canvas.setWidth(3); canvas.ellipse(x+300,y+100,3); advance(); }
ausführen
