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Contents
module Teacup
class Stylesheet
def identity
[1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1]
end
def pi
3.1415926
end
# rotates the "up & down" direction. The bottom of the view will rotate
# towards the user as angle increases.
def flip matrix, angle
CATransform3DRotate(matrix, angle, 1, 0, 0)
end
# rotates the "left & right" direction. The right side of the view will
# rotate towards the user as angle increases.
def twist matrix, angle
CATransform3DRotate(matrix, angle, 0, 1, 0)
end
# spins, along the z axis. This is probably the one you want, for
# "spinning" a view like you might a drink coaster or paper napkin.
def spin matrix, angle
CATransform3DRotate(matrix, angle, 0, 0, 1)
end
# rotates the layer arbitrarily
def rotate matrix, angle, x, y, z
CATransform3DRotate(matrix, angle, x, y, z)
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems