def rectangle_exact(a, b):
""" A rectangle from an exact distance field
"""
args = [list([Shape.wrap(i) for i in a]), list([Shape.wrap(i) for i in b])]
return Shape(
stdlib.rectangle_exact(tvec2(*[a.ptr for a in args[0]]),
tvec2(*[a.ptr for a in args[1]])))
def rectangle_centered_exact(size, center=(0, 0)):
""" An exact-field rectangle at the (optional) center
"""
args = [list([Shape.wrap(i) for i in size]), list([Shape.wrap(i) for i in center])]
return Shape(stdlib.rectangle_centered_exact(
tvec2(*[a.ptr for a in args[0]]),
tvec2(*[a.ptr for a in args[1]])))
def rectangle(a, b):
""" A rectangle with the given bounding corners
"""
args = [list([Shape.wrap(i) for i in a]), list([Shape.wrap(i) for i in b])]
return Shape(
stdlib.rectangle(tvec2(*[a.ptr for a in args[0]]),
tvec2(*[a.ptr for a in args[1]])))
def triangle(a, b, c):
""" A 2D triangle
"""
args = [list([Shape.wrap(i) for i in a]), list([Shape.wrap(i) for i in b]), list([Shape.wrap(i) for i in c])]
return Shape(stdlib.triangle(
tvec2(*[a.ptr for a in args[0]]),
tvec2(*[a.ptr for a in args[1]]),
tvec2(*[a.ptr for a in args[2]])))
def rounded_rectangle(a, b, r):
""" A rectangle with rounded corners
"""
args = [list([Shape.wrap(i) for i in a]), list([Shape.wrap(i) for i in b]), Shape.wrap(r)]
return Shape(stdlib.rounded_rectangle(
tvec2(*[a.ptr for a in args[0]]),
tvec2(*[a.ptr for a in args[1]]),
args[2].ptr))
def pyramid_z(a, b, zmin, height):
""" A pyramid defined by its base rectangle, lower Z value, and height
"""
args = [list([Shape.wrap(i) for i in a]), list([Shape.wrap(i) for i in b]), Shape.wrap(zmin), Shape.wrap(height)]
return Shape(stdlib.pyramid_z(
tvec2(*[a.ptr for a in args[0]]),
tvec2(*[a.ptr for a in args[1]]),
args[2].ptr,
args[3].ptr))
def array_polar_z(shape, n, center=(0, 0)):
""" Iterates a shape about an optional center position
"""
args = [Shape.wrap(shape), n, list([Shape.wrap(i) for i in center])]
return Shape(
stdlib.array_polar_z(args[0].ptr, args[1],
tvec2(*[a.ptr for a in args[2]])))
def array_xy(shape, nx, ny, delta):
""" Iterates a part in a 2D array
"""
args = [Shape.wrap(shape), nx, ny, list([Shape.wrap(i) for i in delta])]
return Shape(
stdlib.array_xy(args[0].ptr, args[1], args[2],
tvec2(*[a.ptr for a in args[3]])))
def circle(r, center=(0, 0)):
""" A 2D circle with the given radius and optional center
"""
args = [Shape.wrap(r), list([Shape.wrap(i) for i in center])]
return Shape(stdlib.circle(
args[0].ptr,
tvec2(*[a.ptr for a in args[1]])))
def polygon(r, n, center=(0, 0)):
""" A polygon with center-to-vertex distance r and n sides
"""
args = [Shape.wrap(r), n, list([Shape.wrap(i) for i in center])]
return Shape(stdlib.polygon(
args[0].ptr,
args[1],
tvec2(*[a.ptr for a in args[2]])))
def ring(ro, ri, center=(0, 0)):
""" A 2D ring with the given outer/inner radii and optional center
"""
args = [Shape.wrap(ro), Shape.wrap(ri), list([Shape.wrap(i) for i in center])]
return Shape(stdlib.ring(
args[0].ptr,
args[1].ptr,
tvec2(*[a.ptr for a in args[2]])))
def shear_x_y(t, base, height, offset, base_offset=0):
""" Shears a shape on the x axis as a function of y
offset = base-offset at base.y
offset = offset = base.y + h
"""
args = [Shape.wrap(t), list([Shape.wrap(i) for i in base]), Shape.wrap(height), Shape.wrap(offset), Shape.wrap(base_offset)]
return Shape(stdlib.shear_x_y(
args[0].ptr,
tvec2(*[a.ptr for a in args[1]]),
args[2].ptr,
args[3].ptr,
args[4].ptr))
def taper_x_y(shape, base, h, scale, base_scale=1):
""" Tapers a shape along the x axis as a function of y
width = base-scale at base
width = scale at base + [0 h]
"""
args = [Shape.wrap(shape), list([Shape.wrap(i) for i in base]), Shape.wrap(h), Shape.wrap(scale), Shape.wrap(base_scale)]
return Shape(stdlib.taper_x_y(
args[0].ptr,
tvec2(*[a.ptr for a in args[1]]),
args[2].ptr,
args[3].ptr,
args[4].ptr))
def text(txt, pos=(0, 0)):
""" Returns the given text, rendered in a custom f-rep font
(with a character height of 1)
"""
args = [txt.encode('utf-8'), list([Shape.wrap(i) for i in pos])]
return Shape(stdlib.text(args[0], tvec2(*[a.ptr for a in args[1]])))