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 one year ago
Hi, could someone take a look and see what the problem is, please.
The problem is with the equation in f_sizeAngle(). I am trying to get an app to draw a geometric shape defined by the number I enter for sides. For example, I enter 3 to draw a triangle.
f_sizeAngle() assumes a regular polygon. According to that equation, for a triangle, it should send 60 for angle size to f_draw(). However, the angles that get drawn are closer to 100 degrees.
I will post it next post:
 one year ago
Hi, could someone take a look and see what the problem is, please. The problem is with the equation in f_sizeAngle(). I am trying to get an app to draw a geometric shape defined by the number I enter for sides. For example, I enter 3 to draw a triangle. f_sizeAngle() assumes a regular polygon. According to that equation, for a triangle, it should send 60 for angle size to f_draw(). However, the angles that get drawn are closer to 100 degrees. I will post it next post:

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ScottL
 one year ago
Best ResponseYou've already chosen the best response.0## create a program where the user can request a turtle to draw the object of choice. ## the object will be selected by entering the number of sides the object contains. ## the program will use the sides to calculate the size of the angle and will forward this ## information to a function that will draw the object from swampy.TurtleWorld import * world = TurtleWorld() bob = Turtle() t = Turtle() sides = int() print bob def f_enterSides(sides): ## careful since raw_input is a string value it must be converted to integer before being ## passed on to f_sizeAngle() or there will be a type error x = raw_input("Please enter the number of sides of the object: " ) int_x = int(x) f_sizeAngle(int_x) ## compute size of angle from number of sides def f_sizeAngle(sides): n = int(sides) sizeAngle = (n  2) * 180 / n ## with sides/n = 3, sizeAngle should = 60. however, it doesn't f_draw(sizeAngle, n, t) ## draw object def f_draw(sizeAngle, sides, t): for i in range (sides): fd(t, 100) lt(t, sizeAngle) print t ## f_sizeAngle(3) f_enterSides(sides) ##wait_for_user()

ScottL
 one year ago
Best ResponseYou've already chosen the best response.0my guess would be that the swampy module must define angle as external, and my equation is internal....

ScottL
 one year ago
Best ResponseYou've already chosen the best response.0... when I enter 4 for sides (iow, a square) it works. the angles are drawn corrently. but anything smaller or larger than 90 degrees is off.

ScottL
 one year ago
Best ResponseYou've already chosen the best response.0changing sizeAngle = 360 / n is the answer. so i guess i was using interior and the module was using exterior.... thanks y'all, for lettin me think out loud
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