diff --git a/README.md b/README.md index 23c78e2e..ab240adf 100644 --- a/README.md +++ b/README.md @@ -6,6 +6,15 @@ Hi! I'm [Alexandre Villares](https://abav.lugaralgum.com), let's see if I can ma If you enjoy this, make a small donation [here](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=HCGAKACDMVNV2) or with [Patreon](https://patreon.com/arteprog) +---- + +![s071](s071/s071.gif) + +071: [code](https://github.com/villares/sketch-a-day/tree/master/s071) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)] + +Thicker and with a saturation slider (no more scale offset) + + ---- ![s070](s070/s070.gif) diff --git a/s070/gif_exporter.py b/s070/gif_exporter.py index e9d45730..75752d94 100644 --- a/s070/gif_exporter.py +++ b/s070/gif_exporter.py @@ -15,10 +15,10 @@ def gif_export(GifMaker, # gets a reference to the library quality=255, # quality range 0 - 255 delay=170, # this is quick frames=0): # 0 will stop on keyPressed or frameCount >= 100000 + global gifExporter try: gifExporter except NameError: - global gifExporter gifExporter = GifMaker(this, filename + ".gif") gifExporter.setRepeat(repeat) gifExporter.setQuality(quality) diff --git a/s071/gif_exporter$py.class b/s071/gif_exporter$py.class new file mode 100644 index 00000000..ec9ee5ae Binary files /dev/null and b/s071/gif_exporter$py.class differ diff --git a/s071/gif_exporter.py b/s071/gif_exporter.py new file mode 100644 index 00000000..75752d94 --- /dev/null +++ b/s071/gif_exporter.py @@ -0,0 +1,33 @@ +""" +Alexandre B A Villares http://abav.lugaralgum.com - GPL v3 + +A helper for the Processing gifAnimation library (https://github.com/jordanorelli) +ported to Processing 3 by 01010101 (https://github.com/01010101) +Download the library from https://github.com/01010101/GifAnimation/archive/master.zip +This helper was inspired by an example by Art Simon https://github.com/APCSPrinciples/AnimatedGIF/ + +Put add_library('gifAnimation') at the start of your sketch +and add gif_export(GifMaker) at the end of draw() +""" +def gif_export(GifMaker, # gets a reference to the library + filename="exported", # .gif will be added + repeat=0, # 0 makes it an "endless" animation + quality=255, # quality range 0 - 255 + delay=170, # this is quick + frames=0): # 0 will stop on keyPressed or frameCount >= 100000 + global gifExporter + try: + gifExporter + except NameError: + gifExporter = GifMaker(this, filename + ".gif") + gifExporter.setRepeat(repeat) + gifExporter.setQuality(quality) + gifExporter.setDelay(delay) + + gifExporter.addFrame() + + if (frames == 0 and keyPressed or frameCount >= 100000) \ + or (frames != 0 and frameCount >= frames): + gifExporter.finish() + print("gif saved") + exit() \ No newline at end of file diff --git a/s071/s071.gif b/s071/s071.gif new file mode 100644 index 00000000..0bf8a984 Binary files /dev/null and b/s071/s071.gif differ diff --git a/s071/s071.pyde b/s071/s071.pyde new file mode 100644 index 00000000..6aaddf3b --- /dev/null +++ b/s071/s071.pyde @@ -0,0 +1,71 @@ +""" +sketch 71 180312 - Alexandre B A Villares +https://abav.lugaralgum.com/sketch-a-day +""" + +from __future__ import division +from slider import Slider +add_library('gifAnimation') +from gif_exporter import gif_export + +# slider_object = Slider(lowest, highest, initial value) +i = Slider(PI / 6, TWO_PI / 3, QUARTER_PI) # angle, changes number of sides +j = Slider(1, 4, 2) # depth, changes number of recursions (fiddled afterwards) +k = Slider(0, 10, 0) # random +l = Slider(0, TWO_PI, 0) # rotation + +I, J, K, L = 1, 1, 1, 1 # dummy initial slider global values +# ^ I need these globals because I want to read/draw sliders +# at the end of the draw loop so they draw on top +# I should 'decouple' reading and drawing the sliders... + +def setup(): + size(600, 600) + colorMode(HSB) # makes it easy to cycle colors through Hues... + noFill() + # Position Sliders (x, y) + i.position(20, 20) + j.position(20, 60) + k.position(20, 100) + l.position(20, 140) + frameRate(10) + +def draw(): + global I, J, K, L + background(200) + poly_shape(width / 2, height / 2, I, J, K, L) + # Read and update sliders + I = i.value() # from PI/6 to TWO_PI/3 + j.high = 2 + I * 1.5 # change J's upper limit... + J = j.value() # 1 to 3 + I * 1.5 + K = k.value() # 10 to 50 + L = l.value() # 0 to TWO_PI + # uncomment the next line to save frames! + if not frameCount % 10: gif_export(GifMaker, frames=3000) + + +def poly_shape(x, y, angle, D, sat, rotation): + stroke((frameCount / 2 * D) % 256, sat, 0, 255) + strokeWeight(D) + with pushMatrix(): + translate(x, y) + rotate(rotation) + radius = D * 40 + # create a polygon on a ps PShape object + ps = createShape() + ps.beginShape() + a = 0 + while a < TWO_PI: + sx = cos(a) * radius + sy = sin(a) * radius + ps.vertex(sx + random(-K, K), sy + random(-K, K)) + a += angle + ps.endShape(CLOSE) # end of PShape creation + shape(ps, 0, 0) # Draw the PShape + if D > 1: # if the recursion 'distance'/'depth' allows... + for i in range(ps.getVertexCount()): + # for each vertex + pv = ps.getVertex(i) # gets vertex as a PVector + # recusively call poly_shape with a smaller D + poly_shape(pv.x, pv.y, angle, D - 1, sat, rotation) + \ No newline at end of file diff --git a/s071/sketch.properties b/s071/sketch.properties new file mode 100644 index 00000000..2456b0ab --- /dev/null +++ b/s071/sketch.properties @@ -0,0 +1,2 @@ +mode=Python +mode.id=jycessing.mode.PythonMode diff --git a/s071/slider$py.class b/s071/slider$py.class new file mode 100644 index 00000000..8aa5cfed Binary files /dev/null and b/s071/slider$py.class differ diff --git a/s071/slider.py b/s071/slider.py new file mode 100644 index 00000000..7cf751f7 --- /dev/null +++ b/s071/slider.py @@ -0,0 +1,53 @@ +""" +Slider code based on Peter Farell's htts://twitter.com/hackingmath +https://github.com/hackingmath/python-sliders http://farrellpolymath.com/ +""" + +class Slider: + + def __init__(self, low, high, default): + '''slider has range from low to high + and is set to default''' + self.low = low + self.high = high + self.val = default + self.clicked = False + + def position(self, x, y): + '''slider's position on screen''' + self.x = x + self.y = y + # the position of the rect you slide: + self.rectx = self.x + map(self.val, self.low, self.high, 0, 120) + self.recty = self.y - 10 + + + def value(self): + '''updates the slider and returns value''' + pushStyle() + rectMode(CENTER) + # black translucid rect behind slider + fill(0, 100) + noStroke() + rect(self.x + 60, self.y, 130, 20) + # gray line behind slider + strokeWeight(4) + stroke(200) + line(self.x, self.y, self.x + 120, self.y) + # press mouse to move slider + if dist(mouseX, mouseY, self.rectx + 5, self.recty + 10) < 20: + fill(200) + textSize(10) + text(str(self.val), self.rectx, self.recty + 35) + if mousePressed: + self.rectx = mouseX + # constrain rectangle + self.rectx = constrain(self.rectx, self.x, self.x + 120) + # draw rectangle + strokeWeight(1) + fill(255) + rect(self.rectx, self.recty + 10, 10, 20) + self.val = map(self.rectx, self.x, self.x + 120, self.low, self.high) + # draw label + popStyle() + return self.val \ No newline at end of file