From da56786825944d451ff9d27c33de4441609498ba Mon Sep 17 00:00:00 2001 From: Felix Pankratz Date: Wed, 15 Dec 2021 12:02:09 +0100 Subject: [PATCH] fill waves --- waves.py | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/waves.py b/waves.py index 778d311..a630dc8 100755 --- a/waves.py +++ b/waves.py @@ -16,6 +16,7 @@ def main(): ctx.scale(WIDTH, HEIGHT) # Normalizing the canvas wave_height = 1/WAVES + lastpoints = [(x/1000, 0) for x in range(1000)] for num in range(WAVES): r, g, b = random_color() @@ -25,13 +26,20 @@ def main(): y = math.sin(x*50) * 0.1 points.append((x, ( (y/4) + ((0.5+num)*wave_height)))) x += 0.001 - print(points) + # draw waves ctx.move_to(*points[0]) for p in points[1:]: ctx.line_to(*p) ctx.set_line_width(0.002) ctx.set_source_rgb(r, g, b) ctx.stroke() + # fill area above + for pos in range(len(points)): + ctx.move_to(*points[pos]) + ctx.line_to(*lastpoints[pos]) + ctx.stroke() + lastpoints = points + surface.write_to_png("out/waves.png") # Output to PNG