publish exercise 6

templates/_folder_Exercises/O06/CourseCatalog.cpp

+#include "CourseCatalog.h"
+
+// BEGIN: 3a
+
+// END: 3a
+
+// BEGIN: 3b
+
+// END: 3b
+
+// BEGIN: 3c
+
+// END: 3c
+
+// BEGIN: 3d
+
+// END: 3d
+
+// BEGIN: 3e
+
+// END: 3e
+
+// BEGIN: 3g
+
+// END: 3g
+
+// BEGIN: 3h
+
+// END: 3h
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templates/_folder_Exercises/O06/CourseCatalog.h

+#pragma once
+#include "std_lib_facilities.h"
+
+class CourseCatalog
+{
+public:
+	void addCourse(const string& key, const string& value);
+	void removeCourse(const string& key);
+	string getCourse(const string& key) const;
+
+	friend ostream& operator<<(ostream& os, const CourseCatalog& cc);
+	
+	void saveToFile(const std::string& filename) const;
+	void loadFromFile(const std::string& filename);
+
+private:
+	map<string, string> courses;
+};
+
+void testCourseCatalog();
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templates/_folder_Exercises/O06/FileUtils.cpp

+#include "FileUtils.h"
+
+
+void writeUserInputToFile(const std::string &path)
+{
+	// BEGIN: 1a
+
+	// END: 1a
+}
+
+
+void addLineNumbers(const std::string &filename)
+{
+	// BEGIN: 1b
+
+	// END: 1b
+}
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templates/_folder_Exercises/O06/FileUtils.h

+#pragma once
+#include "std_lib_facilities.h"
+
+void writeUserInputToFile(const std::string &filename);
+void addLineNumbers(const std::string &filename);
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templates/_folder_Exercises/O06/bouncingBall.cpp

+#pragma once
+#include "bouncingBall.h"
+
+// BEGIN: 4b
+
+// END: 4b
+
+// BEGIN: 4c
+
+// END: 4c
+
+constexpr Point BOUNCE_WINDOW_TOP_LEFT{50, 50};
+constexpr int BOUNCE_WINDOW_WIDTH{800}; 
+constexpr int BOUNCE_WINDOW_HEIGHT{500};
+
+// FJERN DETTE NAAR DU BEGYNNER PÅ OPPGAVE 4e)
+#define BOUNCING_BALL
+//
+
+void bouncingBall(){
+    #ifndef BOUNCING_BALL
+    AnimationWindow window{BOUNCE_WINDOW_TOP_LEFT.x, BOUNCE_WINDOW_TOP_LEFT.y, 
+                           BOUNCE_WINDOW_WIDTH, BOUNCE_WINDOW_HEIGHT, "Bouncing ball"};
+    
+    const int radius{30};
+    int alpha{1};
+    int velocity{2};
+    Color colour_up{Color::blue};
+    Color colour_down{Color::blue};
+    int x{0};
+    int y{360};
+    int increment_x{0};
+    int increment_y{0};
+    int count_bounce_top{0};
+    int count_bounce_bottom{0};
+    int count_num_passes{0};
+
+    Config slow = {1, 1, 0};
+    Config fast = {1, 1, 0};
+
+    // read in the configurations
+    filesystem::path file_name{"konfigurasjon.txt"};
+    ifstream is{file_name};
+    is >> slow >> fast; 
+
+    // initialise the run
+    velocity = slow.velocity;
+    colour_up = ball_colour.at(slow.colour_up);
+    colour_down = ball_colour.at(slow.colour_down);
+
+    while (!window.should_close()) {
+        // determine increments based on the velocity
+        increment_x = velocity * cos(alpha);
+        increment_y = velocity * sin(alpha);
+
+        // movement i x-direction
+        if ((increment_x + x) > window.width()) {
+            // reached right side - wrap around to the leftmost
+            x = 0;
+            // increment counter which counts number of full left-to-right passes
+            count_num_passes++;
+            // alternate between slow and fast configuration every second pass
+            if (count_num_passes % 2 == 0) {
+                if (velocity == slow.velocity) {
+                    velocity = fast.velocity;
+                    colour_up = ball_colour.at(fast.colour_up);
+                    colour_down = ball_colour.at(fast.colour_down);
+                } else {
+                    velocity = slow.velocity;
+                    colour_up = ball_colour.at(slow.colour_up);
+                    colour_down = ball_colour.at(slow.colour_down);
+                }
+            }
+        } else {
+            // moving rightwards
+            x += increment_x;
+        }
+
+
+        // HINT 1: Ta en titt på koden ovenfor og se hvilke variabler som brukes. 
+        // Bruk disse variablene for å implementere bevegelsen til den sprettende ballen. For eksempel:
+        // Variablene count_bounce_top og count_bounce_bottom kan brukes
+        // for å holde styr på hvilken retning ballen skal gå. 
+        // Variabelen increment_y skal brukes for å øke y.
+
+        // HINT 2: window.draw_circle({x, y}, r, c) tegner en sirkel med radius r, 
+        // sentrum i (x, y) og fargen c
+
+        // BEGIN: 4d
+        // movement in y-direction
+        // END: 4d
+    
+        window.next_frame();
+    }
+    #endif
+}
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templates/_folder_Exercises/O06/bouncingBall.h

+#pragma once
+#include "std_lib_facilities.h"
+#include "AnimationWindow.h"
+
+struct Config{ 
+    // BEGIN: 4a
+
+    // END: 4a
+};
+
+extern map<int, Color> ball_colour;
+
+istream& operator>>(istream& is, Config& cfg);
+
+void bouncingBall();

templates/_folder_Exercises/O06/konfigurasjon.txt

+1 2 3
+3 4 15
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templates/_folder_Exercises/O06/main.cpp

+#include "std_lib_facilities.h"
+#include "CourseCatalog.h"
+#include "FileUtils.h"
+#include "bouncingBall.h"
+
+int main()
+{
+	// Her kan du teste din kode ved å kalle på de ulike funksjonene du har implementert	
+	return 0;
+}
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