Merge branch 'open-window' into 'master'

Fix #6, #7 and #8 - Open window, draw and move circle + collsion example

Closes #8, #7, and #6

See merge request !1

.gitignore

+build/
+.vscode/

.gitmodules

+[submodule "external/sfml"]
+	path = external/sfml
+	url = https://github.com/SFML/SFML

01-red-circle/main.cpp

+#include <cstdio>
+
+#include <SFML/Audio.hpp>
+#include <SFML/Graphics.hpp>
+
+int main()
+{
+	// # Create the main window and camera
+	//
+	// ## TODO
+	// - [ ] Make framerate limit adjustable
+	// - [ ] Make video and camera size the same as hardware window size
+	// - [ ] Resize video and camera size when user resizes window.
+	//
+	const int WIDTH = 800;
+	const int HEIGHT = 600;
+	const int FRAMERATE_LIMIT = 90;
+	sf::RenderWindow window(sf::VideoMode(WIDTH, HEIGHT), "Double trouble");
+	window.setFramerateLimit(FRAMERATE_LIMIT);
+	sf::View camera(sf::FloatRect(0, 0, WIDTH, HEIGHT));
+	camera.setCenter(0, 0);
+	window.setView(camera);
+
+	// # Create things
+	sf::CircleShape circle;
+	circle.setPosition(0, 0);
+	circle.setRadius(10);
+	circle.setFillColor(sf::Color::Red);
+
+	while (window.isOpen())
+	{
+		// # Process events
+		sf::Event event;
+		while (window.pollEvent(event))
+		{
+			// ## Close window on exit
+			if (event.type == sf::Event::Closed ||
+				event.type == sf::Event::KeyPressed &&
+					event.key.code == sf::Keyboard::Escape)
+			{
+				window.close();
+			}
+		}
+
+		// # Render video
+		window.clear();
+		window.draw(circle);
+		window.display();
+	}
+	return 0;
+}

02-jumping-boxes/README.md

+## 02-jumping-boxes
+
+Introducing rudimentary physics.
\ No newline at end of file

CMakeLists.txt

+project(double-trouble)
+cmake_minimum_required (VERSION 3.16.3 FATAL_ERROR)
+
+set(SRCDIR "${CMAKE_SOURCE_DIR}") 
+set(BINDIR ${CMAKE_BINARY_DIR})
+set(SFML_USE_STATIC_STD_LIBS TRUE)
+add_subdirectory("./external/sfml")
+
+set(
+    targets
+    01-red-circle
+    02-jumping-boxes
+)
+
+foreach(target ${targets})
+    add_executable(${target} "${SRCDIR}/${target}/main.cpp")
+
+    set_target_properties(
+        ${target}
+        PROPERTIES
+        CXX_STANDARD 17
+        CXX_STANDARD_REQUIRED ON
+        RUNTIME_OUTPUT_DIRECTORY "${BINDIR}"
+        LIBRARY_OUTPUT_DIRECTORY "${BINDIR}/bin"
+    )
+
+    target_link_libraries(
+        ${target}
+        PRIVATE sfml-window
+        PRIVATE sfml-graphics
+        PRIVATE sfml-audio
+    )
+endforeach()
+

Makefile

+.PHONY: 01 02 all
+
+all:
+	mkdir -p build;
+	cmake -S . -B build;
+	make -C build;
+
+01:
+	mkdir -p build;
+	cmake --target 01-red-circle -S . -B build;
+	make -C build;
+	./build/01-red-circle;
+
+02:
+	mkdir -p build;
+	cmake --target 02-jumping-boxes -S . -B build;
+	make -C build;
+	./build/02-jumping-boxes;
+

README.md

 # Double Trouble
 
-A IMT3601 Games Programming project by Jonas and Viktor
\ No newline at end of file
+A IMT3601 Games Programming project by Jonas and Viktor
+
+## Getting started
+
+To build all:
+```
+make
+```
+
+To build and run a specific game:
+```
+make 01   # To run 01-red-circle
+make 02   # To run 02-jumping-boxes
+```
+
+_See `Makefile` for complete list of commands_
+
+## System requirements
+
+### Ubuntu and Pop!\_OS 20.04
+```
+sudo apt install \
+    cmake \
+    libflac-dev \
+    libvorbis-dev \
+    libopenal-dev \
+    libudev-dev;
+```

sfml @ 241b542c

+Subproject commit 241b542ca30751e9283230288b4d704fe3e80981