homework

favorite.txt

@@ -0,0 +1,3 @@
+4810050495368163174
+make by entering python[3] create_art.py --seed=4810050495368163174
+

random_art.py

@@ -1,5 +1,7 @@
+import cmath
+import math
 import random
-
+from math import pi
 # Your job is to create better version of create_expression and
 # run_expression to create random art.
 # Your expression should have a __str__() function defined for it.
@@ -8,10 +10,76 @@
 def create_expression():
     """This function takes no arguments and returns an expression that
     generates a number between -1.0 and 1.0, given x and y coordinates."""
-    expr1 = lambda x, y: (x + y)/2
-    expr2 = lambda x, y: (x - y)/2
-    expr3 = lambda x, y: x * y
-    return random.choice([expr1, expr2, expr3])
+    expr15 = lambda x: math.sin(pi*x)
+    expr14 = lambda x: math.cos(pi*x)
+    expr13 = lambda x: math.atan(x)
+    expr12 = lambda x: 1/(1+x) if x != -1 else 1
+
+    expr11 = lambda x: random.choice([x.real, x.imag])
+    expr10 = lambda x: abs(x)
+
+    expr9 = lambda x: cmath.asin(pi*x)
+    expr8 = lambda x: x*cmath.asinh(1j*x.real - x.imag)
+    expr7 = lambda x: (1j-x)*(1j+x) if x != -1j else 1/(1-x)
+    expr6 = lambda x: (1+x)/(1-x) if x !=1 else 1/(1+x)
+
+    ave = lambda x,y: (x+y)/2
+    unave = lambda x,y: (x-y)/2
+
+    expr5 = lambda x,y:  (x+1j*y)*cmath.exp(1j*random.uniform(-.5,.5))
+    expr4 = lambda x,y: (x+y)/2
+    expr3 = lambda x,y: (x-y)/2
+    expr2 = lambda x,y: random.choice([x,y])
+    expr1 = lambda x,y: x*y
+
+    list_1 = [expr1, expr2, expr3, expr4, expr5] # real/complex, 2 -> 2
+    list_2 = [expr6, expr7, expr8, expr9] # real/complex 1 -> 1
+    list_3 = [expr12, expr13, expr14, expr15] # real 1 -> 1
+    reals = [expr10, expr11] # complex -> real, 1 -> 1
+
+
+    num_start = random.randint(1,10)
+    num_choices = random.randint(1,10)
+    num_real = random.randint(1,10)
+    start = []
+    choices = []
+    final = []
+
+    average = random.choice([ave, unave]) # averages or not...
+    real = random.choice(reals) # makes it real
+
+    for _ in range(num_start):
+        start.append((random.choice(list_1), random.choice(list_1)))
+
+    for _ in range(num_choices):
+        choices.append(random.choice(list_2))
+
+    for _ in range(num_real):
+        final.append(random.choice(list_3))
+
+
+
+
+    def returner(x, y):
+        start_x, start_y = x, y
+
+
+        for item1, item2 in start:
+            start_x, start_y = item1(start_x, start_y), item2(start_y, start_x)
+
+        num = average(start_x, start_y)
+
+        for item in choices:
+            num = item(num)
+
+        num = real(num)
+
+        for item in final:
+            num = item(num)
+
+        return num
+
+    return returner
 
 
 def run_expression(expr, x, y):