The color of the ellipse is random and changes every time the green flag is clicked. In batch test mode this measures how long does it take to draw 1000 random ellipses I modified the code to draw thick lines instead of circles. This makes thin ellipses faster. The slowest axis-aligned ellipse that fits in the stage needs 61 lines to draw (Scratch draws a circle at every line start so it's drawing 122 pen objects / ellipse). Edge cases like perfect circles and lines need only 1 line / ellipse. The variable n shows how many lines were needed for the last drawn ellipse.
Batch test button texture by @papipupepappa: https://scratch.mit.edu/projects/987937950/
