BezierA example

BezierA example
 1# this example creates a bezier in the active block
 2
 3# check there is an active drawing
 4if impact.active_drawing.isNone():
 5
 6    # display a message in the output toolbox
 7    impact.gui.output_toolbox.add("Unable to continue: there is no active drawing")
 8
 9else:
10
11    # create a local variable for the active block
12    ab = impact.active_drawing.active_layer.active_block
13
14    # move to the origin of the active block
15    ab.move_ad(0, 0)
16
17    # create four vectors for the control points of the bezier
18    v1 = impact.creator.vector(0,0)
19    v2 = impact.creator.vector(10,20)
20    v3 = impact.creator.vector(30,20)
21    v4 = impact.creator.vector(40,0)
22
23    # create the bezier
24    ab.bezier_a(v1, v2, v3, v4)
25