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class Fish(object):
def __init__(self, x, y, width, height, color):
self.x = x
self.y = y
self.width = width
self.height = height
self.color = color
class BridgeRender(object):
WIDTH_SEGMENTS = 200
HEIGHT_SEGMENTS = 2
SAMPLES_PER_SEGMENT = 4 # Actual samples is this squared
def __init__(self, fish):
self.fish = fish
def compute_coverage(self, x, y):
min_x = max(x, self.fish.x - self.fish.width)
max_x = min(x+1, self.fish.x + self.fish.width)
min_y = max(y, self.fish.y - self.fish.height)
max_y = min(y+1, self.fish.y + self.fish.height)
return (max_x - min_x) * (max_y - min_y)
def compute_color(self, x, y, base_color):
cov = compute_coverage(x, y)
return (cov * self.fish.color) + ((1 - cov) * base_color)
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