Added ex5.py

Chapter_2/ex5_sol1.py

+import math
+
+v0    = float(input("Vitesse initiale ?"))
+alpha = float(input("Angle initial ?"))
+
+v0_x = v0*math.cos(alpha*math.pi/180)
+v0_y = v0*math.sin(alpha*math.pi/180)
+g = 9.81
+
+# Paramètres A et B tels que y = A*x + B*x²
+A = v0_y / v0_x
+B = 0.5*g/v0_x**2
+
+n_lines = 50
+n_col   = 100
+
+print(" "+n_col*"-")
+lineId = 0
+while lineId < n_lines:
+    colId = 0
+    txt_to_print = "|"
+    while colId < n_col:
+        t = 0
+        filled = False
+        x = colId - 0.5
+        while x < colId + 0.5:            # Boucle sur x pour avoir une ligne continue
+            y = A*x - B*x**2
+            if abs(n_lines-y-lineId)<0.5:
+                filled = True             # S'assurer qu'on ne remplisse qu'une fois une case
+                txt_to_print+="x"
+                break
+            x+=0.1
+        if not filled:
+            txt_to_print += " "           # Case non remplie
+        colId+=1
+    lineId+=1
+    print txt_to_print+"|"
+print(" "+n_col*"-")

Chapter_2/ex5_sol2.py

+import math
+
+v0    = float(input("Vitesse initiale ?"))
+alpha = float(input("Angle initial ?"))
+
+v0_x = v0*math.cos(alpha*math.pi/180)
+v0_y = v0*math.sin(alpha*math.pi/180)
+g = 9.81
+
+
+n_lines = 50
+n_col   = 100
+
+print(" "+n_col*"-")
+lineId = 0
+while lineId < n_lines:
+    colId = 0
+    txt_to_print = "|"
+    while colId < n_col:
+        t = 0
+        filled = False
+        while t < 10000:  # On évalue toute la trajectoire pour chaque case du tableau...
+            x = v0_x*t
+            y = v0_y*t - 0.5*g*t**2
+            t+=0.01
+            if abs(x - colId ) < 0.5 and abs(n_lines-y-lineId)<0.5:
+                txt_to_print+="x"
+                filled = True
+                break
+            if y < 0 or x < 0 or x > n_col:
+                break
+        if filled == False:
+            txt_to_print += " "
+
+        colId+=1
+
+    lineId+=1
+    print txt_to_print+"|"
+print(" "+n_col*"-")