Create s180110.pyde

s180110/s180110.pyde

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+"""
+s180110 Balls for Manoloid!
+(c)2018 Alexandre B A Villares
+https://abav.lugaralgum.com/sketch-a-day
+This is directly inspired by & derived from 
+Manuel Gamboa Naon's sketch 
+https://gist.github.com/manoloide/16ea9e1d68c6ba1700fcb008fd38aab0
+posted at twitter.com/manoloidee
+"""
+
+mm = 0
+
+def setup():
+    size(720, 720, P2D)
+    generate()
+    #ellipseMode(CORNER)
+    colorMode(HSB)
+
+def draw():
+    global mx, my, mm, time
+    mm *= 0.95
+    # if (mm < 0.04) mm *= 0.2
+    mx = mouseX - width / 2
+    my = mouseY - height / 2
+    time = millis() * 0.001
+    background(190)
+
+    translate(width / 2, height / 2)
+
+    for r in circles:
+        r.update()
+        r.showShadow()
+
+    for r in circles:
+        r.show()
+
+    # if (frameCount < 200): saveFrame("###.tga") # para salvar frames
+
+
+def keyPressed():
+    generate()
+
+def mouseClicked():
+    sub()
+
+def mouseMoved():
+    global mm
+    mm += 0.05
+    sub()
+
+def sub():
+    for r in circles:
+        if r.isOn(mx, my):
+            r.sub()
+            break
+
+
+def generate():
+    global circles
+    circles = []
+    circles.append(Circle(0, 0 , 600, color(random(256), 200, 200)))
+
+
+class Circle:
+
+    def __init__(self, x, y, s, c):
+        self.x = x
+        self.y = y
+        self.ix = x
+        self.iy = y
+        self.s = s
+        self.b = 10
+        self.ncol = color(random(256), 200, 200)
+        self.col = c
+
+    def mouseMovement(self):
+        cx = self.x + self.s * 0.5
+        cy = self.y + self.s * 0.5
+        maxDist = 200
+        dis = dist(cx, cy, mx, my)
+        ang = atan2(cy - my, cx - mx)
+        if (dis < maxDist):
+            dd = map(dis, 0, maxDist, 1, 0)
+            dd = pow(dd, 0.9) * 20 * mm
+            self.x += cos(ang) * dd
+            self.y += sin(ang) * dd
+
+    def update(self):
+
+        self.x = lerp(self.x, self.ix, 0.09)
+        self.y = lerp(self.y, self.iy, 0.09)
+        self.col = lerpColor(self.col, self.ncol, 0.05)
+
+        self.mouseMovement()
+
+    def showShadow(self):
+        noStroke()
+        fill(0, 20)
+        ellipse(self.x , self.y, self.s, self.s)
+
+    def show(self):
+        stroke(255, 2)
+        fill(self.col)
+        ellipse(self.x, self.y, self.b, self.b)
+
+    def isOn(self, mx, my):
+        return (self.x + self.s > mx >= self.x and
+                self.y + self.s > my >= self.y)
+
+    def sub(self):
+        ms = self.s * 0.5
+        mms = ms/2
+        r = Circle(self.ix-mms, self.iy+mms, ms, self.col)
+        circles.append(r)
+
+        r = Circle(self.ix-mms, self.iy-mms, ms, self.col)
+        r.x += self.x - self.ix
+        r.y += self.y - self.iy
+        circles.append(r)
+
+        r = Circle(self.ix+mms , self.iy-mms, ms, self.col)
+        r.x += self.x - self.ix
+        r.y += self.y - self.iy
+        circles.append(r)
+
+        r = Circle(self.ix+mms , self.iy+mms , ms, self.col)
+        r.x += self.x - self.ix
+        r.y += self.y - self.iy
+        circles.append(r)
+
+        circles.remove(self)