kopia lustrzana https://github.com/villares/sketch-a-day
133 wiersze
3.5 KiB
Python
133 wiersze
3.5 KiB
Python
# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
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# variable radius
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add_library('VideoExport')
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from random import choice, shuffle, sample
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from itertools import product, permutations, combinations
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from forms import b_poly_arc_augmented
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from line_geometry import *
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NUM_POINTS = 5
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BORDER = 100
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SIZE = 50
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RDS = 50
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save_frame = False
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ensambles = []
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st = 0
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def setup():
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size(600, 600, P3D)
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smooth(16)
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ensambles[:] = create_points()
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frameRate(15)
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# Video Export
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global ve
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ve = VideoExport(this)
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ve.setFrameRate(15)
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ve.startMovie()
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def create_points():
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""" non intersecting poly """
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global grid
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good = False
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grid = list(product(range(BORDER, width - BORDER + 1, SIZE),
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range(BORDER, height - BORDER + 1, SIZE)))
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points = sample(grid, NUM_POINTS)
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# points = []
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# n = 14
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# a = TWO_PI / n
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# R = width / 2
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# for i in range(n):
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# x = R + sin(a * i) * R * .5
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# y = R + cos(a * i) * R * .5
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# points.append((x, y))
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combos = set(permutations(points, NUM_POINTS))
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for pts in combos:
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for _ in range(len(pts)-1):
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pts = pts[1:] + (pts[0],)
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combos.discard(pts)
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combos.discard(pts[::-1])
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ens = []
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for pts in combos:
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if not intersecting(pts):
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ens.append(pts)
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# ens = list(pts)
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print(len(ens))
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shuffle(ens)
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return ens
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def draw():
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ortho()
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background(250, 250, 240)
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# st = 0
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# scale(1/4.)
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# for j in range(4):
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# for i in range(4):
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# pushMatrix()
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# translate(width * i, height * j)
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# translate(height/2, width/2)
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# rotateY(frameCount / 100.)
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# # rotateX((frameCount + i * 10 + j * 10) / 50.)
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# translate(-height/2, -width/2)
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# if ensambles:
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# draw_ensamble(ensambles[st])
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# st = (st + 1) % len(ensambles)
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# popMatrix()
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translate(height/2, width/2)
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rotateY(frameCount / 100.)
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translate(-height/2, -width/2)
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if ensambles:
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draw_ensamble(ensambles[st]) # variable radius
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if save_frame:
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ve.saveFrame()
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if (frameCount - frame_start) / 100. > TWO_PI:
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ve.endMovie()
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def draw_ensamble(pts):
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noFill()
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stroke(0)
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strokeWeight(4)
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translate(0, 0, -8 * 10)
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for i in range(8):
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# colorMode(HSB)
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strokeWeight(2 + i) # * 1.5)
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translate(0, 0, 20)
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b_poly_arc_augmented(pts, [100] * NUM_POINTS, l=i)
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# for p in pts:
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# ellipse(p[0], p[1], i * 10 , i * 10)
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def keyPressed():
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global st, save_frame, frame_start
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if key == "p":
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saveFrame("####.png")
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if key == " ":
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ensambles[:] = create_points()
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st = 0
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if key == "e":
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ve.endMovie()
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if key == "m":
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st = (st + 1) % len(ensambles)
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if key == "s":
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frame_start = frameCount
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save_frame = not save_frame
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println("save frame: {}".format(save_frame))
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def settings():
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""" print markdown to add at the sketc-a-day page"""
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from os import path
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global SKETCH_NAME, OUTPUT
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SKETCH_NAME = path.basename(sketchPath())
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OUTPUT = ".png"
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println(
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"""
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[{0}](https://github.com/villares/sketch-a-day/tree/master/{2}/{0}) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
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""".format(SKETCH_NAME, OUTPUT, year())
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)
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