Utility Geometry Code

 1def angle(x0, y0, x1, y1):
 2    from math import degrees, atan2
 3    a = degrees( atan2(y1-y0, x1-x0) )
 4    return a      
 5
 6def distance(x0, y0, x1, y1):
 7    from math import sqrt, pow
 8    return sqrt(pow(x1-x0, 2) + pow(y1-y0, 2))  
 9
10def coordinates(x0, y0, distance, angle):
11    from math import radians, sin, cos
12    x1 = x0 + cos(radians(angle)) * distance
13    y1 = y0 + sin(radians(angle)) * distance
14    return x1, y1
15
16def relative_coordinates(x0,y0,distance,angle):
17    from math import radians, sin, cos
18    x1 = cos(radians(angle)) * distance
19    y1 = sin(radians(angle)) * distance
20    return x1, y1
21
22def centered_text_path(text_string,container_path,scaling=True):
23    ''' Accepts a string and a bezier path (Nodebox-style implementation)
24    
25    Returns a Bezier path of the string text, located at the center of the target path'''
26    
27    cont_bounds = container_path.bounds
28    cont_origin = cont_bounds.origin
29    cont_size = cont_bounds.size
30
31    c_x = cont_origin.x
32    c_y = cont_origin.y
33
34    c_width = cont_size.width
35    c_height = cont_size.height
36    tp_h = textheight(text_string)
37
38    x_offset = c_x + 0.1*c_width
39    y_offset = c_y + 0.5*c_height + 0.25*tp_h
40    push()
41    align(CENTER)
42
43    tp = textpath(text_string,x_offset,y_offset,width=c_width*0.8,height=c_height)
44    pop()
45    return tp