014

import math
from math import pi, sin, cos, radians
# Prompt user for blade parameters
Win = Windows()
Options = []
Options.append(['Number of Blades', WindowsInputTypes.Integer, 3])
Options.append(['Radius Start (mm)', WindowsInputTypes.Real, 100.0])
Options.append(['Radius End (mm)', WindowsInputTypes.Real, 10.0])
Options.append(['Blade Height Increment (mm)', WindowsInputTypes.Real, 50])
Options.append(['Points per Blade', WindowsInputTypes.Integer, 200])
# Display the dialog and get values
Values = Win.OptionsDialog('Fibonacci Propeller Blade Generator', Options)
if Values is None:
    sys.exit("Operation canceled by the user.")
# Extract the values
num_blades = Values[0]
radius_start = Values[1]
radius_end = Values[2]
height_increment = Values[3]
points_per_blade = Values[4]
# Constants
golden_angle = radians(137.5)  # Golden angle in radians
radius_step = (radius_end - radius_start) / points_per_blade
PropellerPart = CurrentPart()
# Loop through each blade
for blade in range(num_blades):
    angle_offset = golden_angle * blade  # Offset each blade by the golden angle
    Points = []
    # Generate points for the blade
    for i in range(points_per_blade + 1):
        angle = i * (2 * pi / points_per_blade) + angle_offset
        radius = radius_start + i * radius_step
        x = radius * cos(angle)
        y = radius * sin(angle)
        z = i * (height_increment / points_per_blade)
        Points.extend([x, y, z])
    # Add the blade spline to the 3D sketch
    BladeSketch = PropellerPart.Add3DSketch('Blade_' + str(blade + 1))
    BladeSketch.AddBspline(Points)
Win.InfoDialog('Done.',"Fibonacci Propeller Blade Generator")