class Star():
def __init__(self, radius, color):
self.color = color
self.setSize(radius)
def setSize(self, size):
# First triangle, size is radius of circumcircle, center at (0,0)
self.tri1 = GeneralPath()
self.tri1.moveTo(size, 0)
self.tri1.lineTo(int(-0.5 * size), int(0.866 * size))
self.tri1.lineTo(int(-0.5 * size), int(-0.866 * size))
self.tri1.closePath()
# Second triangle like first, but rotated 180 degrees
self.tri2 = self.tri1.clone()
t = AffineTransform()
t.rotate(math.pi)
self.tri2.transform(t)
def turn(self, angle):
t = AffineTransform()
t.rotate(angle)
self.tri1.transform(t)
self.tri2.transform(t)
def showAt(self, mx, my):
bg.setPaintColor(self.color)
t = AffineTransform()
t.translate(mx, -50 + my % 650) # Restrict to playground
# Cloning to avoid side effects
gp1 = self.tri1.clone()
gp2 = self.tri2.clone()
gp1.transform(t)
gp2.transform(t)
bg.fillGeneralPath(gp1)
bg.fillGeneralPath(gp2)
