Update CMake structure, swap sample for sfml

CMakeLists.txt

@@ -12,7 +12,7 @@ set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
 
 # all the possible executables [each team can have their own configuration]
 # copy over simple or same and change the accordingly
-set(EXECUTABLES simple sample)
+set(EXECUTABLES simple sfml)
 
 
 # setting the output path to executable
@@ -23,18 +23,23 @@ set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/executable)
 file(COPY ./assets DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
 
 
+# Configure SFML
+set(SFML_SRC_DIR third_party/SFML)
+set(SFML_BUILD_DIR sfml_build)
+set(MAIN_SOURCE_DIR ./)
+add_subdirectory(${SFML_SRC_DIR} ${SFML_BUILD_DIR})
 
-foreach(EXECUTABLE ${EXECUTABLES})
-    if(${EXECUTABLE} STREQUAL "simple")
-        set(SOURCES source/${EXECUTABLE}_main.cpp)
-    elseif(${EXECUTABLE} STREQUAL "sample")
-        set(SOURCES source/${EXECUTABLE}_main.cpp)
 
-    # add the executable here to complile and run
-    endif()
+foreach(EXECUTABLE ${EXECUTABLES})
+    set(SOURCES source/${EXECUTABLE}_main.cpp)
     add_executable(${EXECUTABLE} ${SOURCES})
-
+    target_include_directories(${EXECUTABLE}
+      PRIVATE ${MAIN_SOURCE_DIR}
+      )
+    target_link_libraries(${EXECUTABLE}
+      PRIVATE sfml-window sfml-audio sfml-graphics
+      )
 endforeach()
 
 
-add_subdirectory(tests)
+add_subdirectory(tests)

source/sfml_main.cpp

@@ -0,0 +1,58 @@
+#include <iostream>
+
+#include "SFML/Graphics.hpp"
+
+int main(){
+
+  // Create the window
+  sf::RenderWindow  window(sf::VideoMode({800, 600}), "SFML works!");
+  window.setFramerateLimit(60);
+  // Create our tile and its properties
+  const int tile_size = 20;
+  sf::RectangleShape rect(sf::Vector2f(tile_size, tile_size));
+  rect.setFillColor(sf::Color(200, 50, 0));
+  sf::Vector2f rect_pos(window.getSize().x / 2, window.getSize().y / 2);
+  sf::Vector2f rect_vel(200,200);
+
+  sf::Clock clock; // Create a clock to help calculate delta time
+  while(window.isOpen()){
+    auto delta_time = clock.restart().asSeconds();
+
+    // Handle input  
+    sf::Event event;
+    while (window.pollEvent(event))
+    {
+        if (event.type == sf::Event::Closed) break;
+    }
+    if (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)
+          || sf::Keyboard::isKeyPressed(sf::Keyboard::Q)){
+      break;
+    }
+
+    // Update rectangle, including collision
+    rect_pos += rect_vel * delta_time;
+    if(rect_pos.x + rect.getSize().x > window.getSize().x){
+      rect_pos.x = window.getSize().x - rect.getSize().x;
+      rect_vel.x *= -1;
+    }
+    else if(rect_pos.x < 0){
+      rect_pos.x = 0;
+      rect_vel.x *= -1;
+    }
+    if(rect_pos.y + rect.getSize().y > window.getSize().y){
+      rect_pos.y = window.getSize().y - rect.getSize().y;
+      rect_vel.y *= -1;
+    }
+    else if(rect_pos.y < 0){
+      rect_pos.y = 0;
+      rect_vel.y *= -1;
+    }
+
+    // Render!
+    window.clear(sf::Color::Black);
+    rect.setPosition(rect_pos);
+    window.draw(rect);
+    window.display();
+  }
+  return 0;
+}