Sierpinski Triangle sketch

visuals/README.md

@@ -19,3 +19,5 @@ All my projects attempting to create vivid or interesting visuals using the Proc
 - **Rotating_HSB_Squares** - Slowly builds a mandela-like structure out of squares that slowly change color through the HSB color spectrum. 
 
 - **StackingEquilateralTriangles** - Another interesting rotating triangle sketch.
+
+- **Sierpinski_Triangle** - Builds the Sierpinski Triangle

visuals/Sierpinski_Triangle/Sierpinski_Triangle.pyde

@@ -0,0 +1,55 @@
+import time
+
+class Point:
+    def __init__(self, x, y, sdraw=False):
+        self.x, self.y = x, y
+    
+    def s(self):
+        ellipse(self.x, self.y, 5, 5)
+    
+    def mid(self, other):
+        return Point((self.x + other.x) / 2, (self.y + other.y) / 2)
+
+def siepinski(i, a, b, c):
+    if i <= 0:
+        return
+    else:
+        triangle(a.x, a.y, b.x, b.y, c.x, c.y)
+        x = a.mid(b)
+        y = b.mid(c)
+        z = c.mid(a)
+        siepinski(i - 1, a, x, z)
+        siepinski(i - 1, x, b, y)
+        siepinski(i - 1, z, y, c)
+        # siepinski(i - 1, x, y, z)
+
+def setup():
+    size(1000, 1000)
+    noLoop()
+
+def equilateral(center, side):
+    
+    altitude = side * (sqrt(3) / 2.0)
+    AM = (2.0/3.0) * altitude
+    BF = (1.0 / 2.0) * side
+    FM = (1.0 / 3.0) * altitude
+    
+    a = Point(center.x, center.y + AM)
+    b = Point(center.x - BF, center.y - FM)
+    c = Point(center.x + BF, center.y - FM)
+            
+    return a, b, c
+
+i = 1
+def draw():
+    
+    global i
+    a, b, c = equilateral(Point(0, 0), 750)
+    translate(width/2, height/2)
+    siepinski(i, a, b, c)
+    
+    time.sleep(1)
+    i += 1
+
+def mouseClicked():
+    loop()

visuals/Sierpinski_Triangle/sketch.properties

@@ -0,0 +1,2 @@
+mode=Python
+mode.id=jycessing.mode.PythonMode