class Art(object):
description = "Use a higher resolution image downsampled to improve perceived clarity"
def __init__(self, matrix):
self.hue = getHueGen(0.001)
self.theta = 0.0
self.matrix = OPCMatrix(SCALE*matrix.width, SCALE*matrix.height, None, True)
self.x = SCALE * matrix.width / 2.0
self.y = SCALE * matrix.height / 2.0
self.r = 6.5 * SCALE
def irnd(self, n):
return int(round(n))
def poly(self, r):
tc = cos(self.theta)
ts = sin(self.theta)
poly = [
(self.irnd(self.x + r * tc - r * ts) , self.irnd(self.y + r * tc + r * ts)), # UL
(self.irnd(self.x - r * tc - r * ts) , self.irnd(self.y + r * tc - r * ts)), # UR
(self.irnd(self.x - r * tc + r * ts) , self.irnd(self.y - r * tc - r * ts)), # BR
(self.irnd(self.x + r * tc + r * ts) , self.irnd(self.y - r * tc + r * ts)), # BL
]
return poly
def start(self, matrix):
pass
def refresh(self, matrix):
self.theta += 0.05
color = self.hue.next()
self.matrix.shift(dv=0.8)
for polys in range(0, SCALE*7, 2):
self.matrix.drawPoly(self.poly(self.r-0.2*polys), color)
matrix.copy(self.matrix)
def interval(self):
return 30
