more 84

s084/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()

s084/s084.pyde

@@ -6,14 +6,14 @@ https://abav.lugaralgum.com/sketch-a-day
 
 import random as rnd
 
-#add_library('gifAnimation')
-#from gif_exporter import gif_export
+add_library('gifAnimation')
+from gif_exporter import gif_export
 from slider import Slider
 
-A = Slider(1, 40, 10) #, 'q', 'a')
-B = Slider(1, 40, 10) #, 'w', 's')
-C = Slider(1, 40, 10) #, 'e', 'd')
-D = Slider(1, 40, 10) #, 'r', 'f')
+A = Slider(1, 40, 10, 'q', 'a')
+B = Slider(1, 40, 10, 'w', 's')
+C = Slider(1, 40, 10, 'e', 'd')
+D = Slider(1, 40, 10, 'r', 'f')
 # I need these globals because I want to call the sliders after drawing
 a, b, c, d = 1, 1, 1, 1
 
@@ -72,10 +72,11 @@ def draw():
     d = int(D.value())  # grid num
 
     # uncomment next lines to export GIF
-    # if not frameCount % 10:
-    #     gif_export(GifMaker,
-    #                frames=2000,
-    #                filename=SKETCH_NAME)
+    if not frameCount % 10:
+        gif_export(GifMaker,
+                   frames=2000,
+                   delay=340,
+                   filename=SKETCH_NAME)
 
 def grid(x, y, num, size_, space, func):  
     for i in range(x, x + num * space, space):
@@ -86,5 +87,5 @@ def rnd_choice(collection):
     i = int(random(len(collection)))
     return collection[i]
     
-def keyPressed():
-    saveFrame(SKETCH_NAME + '_###.gif')
+# def keyPressed():
+#     saveFrame(SKETCH_NAME + '_###.gif')

s084/slider.py

@@ -1,42 +1,63 @@
+"""
+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):
+
+    def __init__(self, low, high, default, more_key, less_key):
         '''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):
+        self.more = more_key
+        self.less = less_key
+
+    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)
+        # 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'''
-        #gray line behind slider
-
-        fill(0)
-        rect(self.x,self.y-10,120, 20)
+        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 mousePressed and dist(mouseX,mouseY,self.rectx,self.recty) < 20:
-            self.rectx = mouseX
-        #constrain rectangle
+        line(self.x, self.y, self.x + 120, self.y)
+        # press mouse to move slider
+        if (self.x < mouseX < self.x + 120 and
+                self.y < mouseY < self.y + 20):
+            fill(250)
+            textSize(10)
+            text(str(self.val), self.rectx, self.recty + 35)
+            if mousePressed:
+                self.rectx = mouseX
+
+        # key usage
+        if keyPressed:
+            if key == self.more:
+                self.rectx += 2
+            if key == self.less:
+                self.rectx -= 2
+
+        # constrain rectangle
         self.rectx = constrain(self.rectx, self.x, self.x + 120)
-        #draw rectangle
+        # draw rectangle
         strokeWeight(1)
-        stroke(0)
-        fill(self.val, 200, 200)
-        rect(self.rectx,self.recty,10,20)
-        self.val = map(self.rectx,self.x,self.x + 120,self.low,self.high)
-        #draw label
-        fill(0)
-        textSize(10)
-        text(int(self.val),self.rectx,self.recty + 35)
-        return self.val
+        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