kopia lustrzana https://github.com/villares/sketch-a-day
190414
villares
rodzic
9b9c44638f
commit
0e690b4535
Plik binarny nie jest wyświetlany.
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Po Szerokość: | Wysokość: | Rozmiar: 35 KiB |
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"""
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Alexandre B A Villares http://abav.lugaralgum.com - GPL v3
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A helper for the Processing gifAnimation library https://github.com/extrapixel/gif-animation/tree/3.0
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Download from https://github.com/villares/processing-play/blob/master/export_GIF/unzip_and_move_to_libraries_GifAnimation.zip
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This helper was inspired by an example by Art Simon https://github.com/APCSPrinciples/AnimatedGIF/
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# add at the start of your sketch:
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add_library('gifAnimation')
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from gif_exporter import gif_export
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# add at the end of draw():
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gif_export(GifMaker)
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"""
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def gif_export(GifMaker, # gets a reference to the library
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filename="exported", # .gif will be added
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repeat=0, # 0 makes it an "endless" animation
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quality=255, # quality range 0 - 255
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delay=200, # this is quick
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frames=0, # 0 will stop on keyPressed or frameCount >= 100000
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finish=False): # force stop
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global gifExporter
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try:
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gifExporter
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except NameError:
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gifExporter = GifMaker(this, filename + ".gif")
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gifExporter.setRepeat(repeat)
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gifExporter.setQuality(quality)
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gifExporter.setDelay(delay)
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gifExporter.addFrame()
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if frames == 0:
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if keyPressed and key == "e":
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finish = True
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if finish:
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gifExporter.finish()
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print("gif saved")
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exit()
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def glue_tab(p1, p2, tab_w=10, cut_ang=QUARTER_PI/2):
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"""
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draws a trapezoidal or triangular glue tab
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along edge defined by p1 and p2, with provided
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width (tab_w) and cut angle (cut_ang)
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"""
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a1 = atan2(p1[0] - p2[0], p1[1] - p2[1]) + cut_ang + PI
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a2 = atan2(p1[0] - p2[0], p1[1] - p2[1]) - cut_ang
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# calculate cut_len to get the right tab width
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cut_len = tab_w / sin(cut_ang)
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f1 = (p1[0] + cut_len * sin(a1),
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p1[1] + cut_len * cos(a1))
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f2 = (p2[0] + cut_len * sin(a2),
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p2[1] + cut_len * cos(a2))
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edge_len = dist(p1[0], p1[1], p2[0], p2[1])
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if edge_len > 2 * cut_len * cos(cut_ang): # 'normal' trapezoidal tab
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beginShape()
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vertex(*p1) # vertex(p1[0], p1[1])
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vertex(*f1)
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vertex(*f2)
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vertex(*p2)
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endShape()
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else: # short triangular tab
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fm = ((f1[0] + f2[0]) / 2, (f1[1] + f2[1]) / 2)
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beginShape()
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vertex(*p1)
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vertex(*fm) # middle way of f1 and f2
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vertex(*p2)
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endShape()
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@ -0,0 +1,58 @@
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class Face:
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def __init__(self, points, thickness, orientation = (0, 0, 0)):
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self.points = points
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self.thickness = thickness
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self.o = orientation
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def draw_2D(self):
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draw_poly(self.points)
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def draw_3D(self, rot):
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S = 35.28
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t = self.thickness
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pts = self.points
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with pushMatrix():
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translate(0, height/2)
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rotateX(self.o[0] * 0 + rot)
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translate(0, -height/2)
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translate(0, 0, -t/2)
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fill(100, 200, 100)
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draw_poly(pts)
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translate(0, 0, t)
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fill(100, 100, 200)
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draw_poly(pts)
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fill(200, 100, 100)
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for p1, p2 in pairwise(tuple(pts) + (pts[0],)):
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# print((p1, p2))
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beginShape(QUAD_STRIP)
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vertex(p1[0]*S, p1[1]*S, 0)
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vertex(p1[0]*S, p1[1]*S, -t)
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vertex(p2[0]*S, p2[1]*S, 0)
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vertex(p2[0]*S, p2[1]*S, -t)
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endShape()
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def edges(self):
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return pairwise(tuple(self.points) + (self.points[0],))
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def draw_poly(points, closed=True):
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S = 35.28
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beginShape()
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for p in points:
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vertex(p[0]*S, p[1]*S, 0)
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if closed:
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endShape(CLOSE)
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else:
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endShape()
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def pairwise(iterable):
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import itertools
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"s -> (s0,s1), (s1,s2), (s2, s3), ..."
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a, b = itertools.tee(iterable)
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next(b, None)
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return zip(a, b)
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Plik binarny nie jest wyświetlany.
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Po Szerokość: | Wysokość: | Rozmiar: 329 KiB |
Plik binarny nie jest wyświetlany.
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Po Szerokość: | Wysokość: | Rozmiar: 1.4 MiB |
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@ -0,0 +1,67 @@
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# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
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"""
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"""
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add_library('GifAnimation')
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from gif_exporter import gif_export
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from parts import Face
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from glue_tab import glue_tab
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faces = []
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THICK = 20
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def setup():
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size(740, 480, P3D)
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zig = [(2.5, 3.5), (5.5, 3.5), (2.5, 5.5),
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(5.5, 5.5), (2.5, 7.5), (5.5, 7.5),
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(3.5, 9.5), (8.5, 6.5), (5.5, 6.5),
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(8.5, 4.5), (5.5, 4.5), (8.5, 2.5),
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(5.5, 2.5), (7.5, 0.5)]
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faces.append(Face(zig, THICK))
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def draw():
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background(200, 210, 220)
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for f in faces:
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f.draw_3D(frameCount / -50.)
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translate(200, 0)
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fill(100, 100, 200)
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f.draw_2D()
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translate(200, 0)
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fill(100, 200, 100)
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f.draw_2D()
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x, y = 25, 350
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translate(-400, 0)
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for p1, p2 in f.edges():
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d = dist(p1[0], p1[1], p2[0], p2[1]) * 35
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fill(200, 100, 100)
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glue_tab((x, y), (x + d, y))
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glue_tab((x + d, y + THICK),( x, y + THICK))
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rect(x, y , d, THICK)
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x += d
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if x > width - d:
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glue_tab((x, y), (x, y + THICK))
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x = 25
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y += THICK * 2.2
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else: # a for else...
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glue_tab((x, y), (x, y + THICK))
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if frameCount/50. < TWO_PI:
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if frameCount % 2:
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gif_export(GifMaker, filename=SKETCH_NAME)
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else:
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exit()
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# print text to add to the project's README.md
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def settings():
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from os import path
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global SKETCH_NAME
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SKETCH_NAME = path.basename(sketchPath())
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OUTPUT = ".gif"
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println(
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"""
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[{0}](https://github.com/villares/sketch-a-day/tree/master/{0}) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
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""".format(SKETCH_NAME, OUTPUT)
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)
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@ -24,6 +24,13 @@ Get updates from my sort-of-weekly newsletter: [[sketch-mail](https://villares.o
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---
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[sketch_190414a](https://github.com/villares/sketch-a-day/tree/master/sketch_190414a) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
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Let's unfold some simple extrudes
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---
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