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# Blender.BezTriple module and the BezTriple PyType object
"""
The Blender.BezTriple submodule
B{New}:
- new attributes L{handleTypes<BezTriple.handleTypes>},
L{selects<BezTriple.selects>} and L{weight<BezTriple.weight>}
This module provides access to the BezTriple Data in Blender. It is used by
CurNurb and IpoCurve objects.
@type HandleTypes: readonly dictionary
@var HandleTypes: The available BezTriple handle types.
- FREE - handle has no constraints
- AUTO - completely constrain handle based on knot position
- VECT - constraint handle to line between current and neighboring knot
- ALIGN - constrain handle to lie in a straight line with knot's other
handle
- AUTOANIM - constrain IPO handles to be horizontal on extremes
"""
def New (coords):
"""
Create a new BezTriple object.
@type coords: sequence of three or nine floats
@param coords: the coordinate values for the new control point. If three
floats are given, then the handle values are automatically generated.
@rtype: BezTriple
@return: a new BezTriple object
"""
class BezTriple:
"""
The BezTriple object
====================
This object gives access to generic data from all BezTriple objects in
Blender.
@ivar pt : the [x,y] coordinates for knot point of this BezTriple. After
changing coordinates of a Ipo curve, it is advisable to call
L{IpoCurve.recalc()<IpoCurve.IpoCurve.recalc>} to update the curve.
@type pt: list of two floats
@ivar vec : a list of the 3 points [ handle, knot, handle ] that comprise a
BezTriple, with each point composed of a list [x,y,z] of floats. The list
looks like [ [H1x, H1y, H1z], [Px, Py, Pz], [H2x, H2y, H2z] ].
Example::
# where bt is of type BezTriple
# and h1, p, and h2 are lists of 3 floats
h1, p, h2 = bt.vec
@type vec: list of points
@ivar tilt: the tilt/alpha value for the point
@type tilt: float
@ivar radius: the radius of this point (used for tapering bevels)
@type radius: float
@ivar hide: the visibility status of the knot. B{Note}: true/nonzero means
I{not} hidden. B{Note}: primarily intended for curves; not a good idea to
hide IPO control points.
@type hide: int
@ivar handleTypes: the types of the point's two handles. See
L{HandleTypes} for a complete description.
@type handleTypes list of two ints
@ivar selects: the select status for [handle, knot, handle]. True/nonzero
if the point is selected.
@type selects: list of three ints
@ivar weight: the weight assigned to the control point. Useful for
softbodies and possibly others.
@type weight: float
"""
def getPoints():
"""
Returns the x,y coordinates of the Bezier knot point (B{deprecated}).
See the L{BezTriple.pt} attribute.
@rtype: list of floats
@return: list of the x and y coordinates of the Bezier point.
"""
def setPoints(newval):
"""
Sets the x,y coordinates of the Bezier knot point (B{deprecated}).
See the L{BezTriple.pt} attribute.
@type newval: tuple of 2 floats
@param newval: the x and y coordinates of the new Bezier point.
@rtype: None
@return: None
"""
def getTriple():
"""
Returns the x,y,z coordinates for each of the three points that make up
a BezierTriple (B{deprecated}). See the L{BezTriple.vec} attribute.
@rtype: list consisting of 3 lists of 3 floats
@return: handle1, knot, handle2
"""
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