def __init__(self, width, height):
"""
Constructors for the Drawing class.
Parameters:
width: int, the width of the image in pixels
height: int, the height of the image in pixels
"""
self.width = width
self.height = height
self.picture = Picture(width, height)
self.pixel_depths = [[float("-inf") for x in range(width)] for y in range(height)]
self.matrix_stack = [TransformationMatrix.identity()]
self.view_vector = None
def __init__(self, width, height):
"""
Constructors for the Drawing class.
Parameters:
width: int, the width of the image in pixels
height: int, the height of the image in pixels
"""
self.width = width
self.height = height
self.picture = Picture(width, height)
self.pixel_depths = [[float("-inf") for x in range(width)]
for y in range(height)]
self.matrix_stack = [TransformationMatrix.identity()]
self.view_vector = None
def identity(self):
"""
Sets the current TransformationMatrix on the stack to the identity
matrix.
"""
self.matrix_stack[-1] = TransformationMatrix.identity()
def identity(self):
"""
Sets the current TransformationMatrix on the stack to the identity
matrix.
"""
self.matrix_stack[-1] = TransformationMatrix.identity()