Initial release

SW II Course dans le champ d'astéroïdes.py

@@ -0,0 +1,59 @@
+from math import sqrt
+
+asteroides = open("ChampsAsteroides.txt").read()
+
+input = """688.84, 515.91, -158.86
+-482.17, 22.55, -190.13
+567.6, -393.37, -46.81
+166.76, 816.23, 9.37
+-436.32, 511.61, 236.74
+-498.99, 819.49, 965.57
+620.43, 804.33, -379.7
+459.66, 797.68, 367.97
+-55.71, -798.6, -131.66
+221.77, 826.02, 933.21"""
+
+def distance(trajet, objet):
+    point_a = trajet[0]
+    point_b = trajet[1]
+    x_a = point_a[0]
+    y_a = point_a[1]
+    z_a = point_a[2]
+    x_b = point_b[0]
+    y_b = point_b[1]
+    z_b = point_b[2]
+    x_o = objet[0]
+    y_o = objet[1]
+    z_o = objet[2]
+    delta_x = x_b - x_a
+    delta_y = y_b - y_a
+    delta_z = z_b - z_a
+    d_min = 999999
+    iter = 1000
+    for i in range(iter):
+        x = x_a + i*delta_x/iter
+        y = y_a + i*delta_y/iter
+        z = z_a + i*delta_z/iter
+        d = sqrt((x_o-x)**2 + (y_o-y)**2 + (z_o - z)**2) 
+        d_min = min(d_min, d)
+    return d_min
+
+asteroides = [v.replace(":", ",").replace(" ", "") for v in asteroides.splitlines()]
+asteroides = [v.split(",") for v in asteroides]
+asteroides = {v[0]:[(float(v[1]), float(v[2]), float(v[3])), 999999] for v in asteroides}
+
+trajet = list()
+input = input.splitlines()
+for i in range(len(input)-1):
+    point_a = tuple(float(v) for v in input[i].replace(" ", "").split(","))
+    point_b = tuple(float(v) for v in input[i+1].replace(" ", "").split(","))
+    trajet.append(((point_a[0], point_a[1], point_a[2]), (point_b[0], point_b[1], point_b[2])))
+
+for t in trajet:
+    for a in asteroides:
+        asteroides[a][1] = min(asteroides[a][1], distance(t, asteroides[a][0]))
+
+
+solution = [k for k, v in sorted(asteroides.items(), key=lambda item: item[1][1])]
+for i in range(9):
+    print('"'+solution[i]+'"', end=", ")