stacking equilateral triangles sketch

visuals/README.md

@@ -16,4 +16,6 @@ All my projects attempting to create vivid or interesting visuals using the Proc
 
 - **Trippy_Boxes** - Transparent rotating boxes that move throught the HSB color spectrum.
 
-- **Rotating_HSB_Squares** - Slowly builds a mandela-like structure out of squares that slowly change color through the HSB color spectrum. 
+- **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.

visuals/StackingEquilateralTriangles/StackingEquilateralTriangles.pyde

@@ -0,0 +1,62 @@
+class Triangle:
+    def __init__(self, a, b, c, orient):
+        self.a, self.b, self.c, self.orient = a, b, c, orient
+    
+    def render(self, points=False):
+        rotate(radians(self.orient))
+        triangle(self.a.x, self.a.y, self.b.x, self.b.y, self.c.x, self.c.y)
+        if points:
+            self.a.render()
+            self.b.render()
+            self.c.render()
+            
+class Point:
+    def __init__(self, x, y, diameter=5):
+        self.x, self.y, self.diamter = x, y, diameter
+        
+    def render(self):
+        ellipse(self.x, self.y, self.diameter, self.diameter)
+
+def setup():
+    size(500, 500)
+    
+    global triangleArray
+    triangleArray = []
+    
+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
+
+x = 0
+def draw():
+    global x, triangleArray
+    for _ in range(1):
+        x += 1
+        i = sin(x / 100.0) * 400
+        if i >= 400:
+            i = 0
+            
+        a, b, c = equilateral(Point(0, 0), i)
+        triangleArray.insert(0, Triangle(a, b, c, i))
+        triangleArray = triangleArray[:30]
+        
+        background(204)
+        for e,tri in enumerate(triangleArray):
+            # if e == len(triangleArray) - 1:
+            #     fill(204)
+            #     noStroke()
+            # else:
+            #     stroke(0)
+            #     fill(255)
+            resetMatrix()
+            translate(width / 2.0, height / 2.0)
+            tri.render()
+        
+def mouseClicked():
+    loop()

visuals/StackingEquilateralTriangles/sketch.properties

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