Merge branch 'master' of https://github.com/villares/sketch-a-day

2019/sketch_191230a/sketch_191230a.pyde

@@ -0,0 +1,70 @@
+add_library('VideoExport')
+from random import shuffle
+from collections import namedtuple
+Ponto = namedtuple('Ponto', 'x y size, color')
+pontos = []
+pontos_draw = []
+
+def setup():
+    global videoExport
+    videoExport = VideoExport(this)
+    videoExport.startMovie()
+    global bg
+    size(400, 400)
+    background(0)
+    colorMode(HSB)
+    bg = createGraphics(500, 500)
+    bg.beginDraw()
+    bg.textSize(140)
+    bg.text("adeus", 2, 190)
+    bg.text("2019", 25, 308)
+    bg.endDraw()
+    set_points()
+
+def set_points():
+    step = 7
+    i = 0
+    for y in range(0, width, step):
+        for x in range(0, width, step):
+            bc = bg.get(x, y)
+            if bc != 0:
+                i = (i + 1) % 256
+                c = color(i, 255, 255)
+                pontos.append(Ponto(x, y, random(5, 10), c))
+            else:
+                c = 32
+                # pontos.append(Ponto(x, y, random(5, 10), c))
+    # shuffle(pontos)
+
+def draw():
+    global a, v
+    background(0)
+    l = len(pontos_draw)
+    t = map(l, 0, len(pontos), -1, 0)
+    for p0, p1 in zip(pontos_draw, pontos_draw[::-1]):
+        p_x, p_y = lerp(p0.x, p1.x, t), lerp(p0.y, p1.y, t)
+        p_size = lerp(p0.size, p1.size, t)
+        p_color = lerpColor(p0.color, p1.color, t)
+        fill(p_color, 200)
+        noStroke()
+        circle(p_x, p_y, p_size)
+
+    videoExport.startMovie()
+
+    for _ in range(4):
+            l = len(pontos_draw)
+            if l < len(pontos):
+                pontos_draw.append(pontos[l])
+
+def keyPressed():
+    if key == 'n':
+        background(0)
+        pontos[:] = []
+        pontos_draw[:] = []
+        set_points()
+    if key == 's':
+        saveFrame("i####.png")
+
+    
+    if key == 'q':
+        videoExport.endMovie()