Tirsvad
be82070c04
MIL-002 tasks 1 to 6. - Add create_pen, which hides the turtle, lifts the pen and switches the screen to 0 to 255 colours. - Add dot_positions: 100 dot centres in 10 rows of 10, 50 apart, centred on the origin so the painting fits the default window. - Add draw_dots, which draws a size-20 dot at every position in a colour chosen from the palette, and raises ValueError for an empty palette. - Add main: draw with the palette of the reference image, then wait for a click with exitonclick. Animation is off while drawing and the screen updates once, which takes the drawing from 21.1 to 0.35 seconds (SC6 allows 30). - Add 22 tests: pen setup, positions and spacing, dots on a recording fake pen and on a real turtle, no trail, and the order of main's steps. All tests share one hidden Tk window, because starting Tk per test fails now and then on Windows. Closes #7 Closes #8 Closes #9 Closes #10 Closes #11 Closes #12 Task: MIL-002#1 Task: MIL-002#2 Task: MIL-002#3 Task: MIL-002#4 Task: MIL-002#5 Task: MIL-002#6