Added a heading of the tetris program

01 Tetris/main.cpp

@@ -1,7 +1,9 @@
-#include <SFML/Graphics.hpp>
-#include <time.h>
-using namespace sf;
-
+
+// C++ program for tetris game 
+#include <SFML/Graphics.hpp>
+#include <time.h>
+using namespace sf;
+
 const int M = 20;
 const int N = 10;
 
@@ -19,56 +21,56 @@ int figures[7][4] =
 	2,3,5,7, // L
 	3,5,7,6, // J
 	2,3,4,5, // O
-};
-
+};
+
 bool check()
 {
    for (int i=0;i<4;i++)
 	  if (a[i].x<0 || a[i].x>=N || a[i].y>=M) return 0;
       else if (field[a[i].y][a[i].x]) return 0;
 
    return 1;
-};
-
-
-int main()
-{
-    srand(time(0));	 
-
-	RenderWindow window(VideoMode(320, 480), "The Game!");
-
-    Texture t1,t2,t3;
+};
+
+
+int main()
+{
+    srand(time(0));	 
+
+	RenderWindow window(VideoMode(320, 480), "The Game!");
+
+    Texture t1,t2,t3;
 	t1.loadFromFile("images/tiles.png");
 	t2.loadFromFile("images/background.png");
 	t3.loadFromFile("images/frame.png");
 
 	Sprite s(t1), background(t2), frame(t3);
-
-    int dx=0; bool rotate=0; int colorNum=1;
-	float timer=0,delay=0.3; 
-
-	Clock clock;
-
-    while (window.isOpen())
-    {
+
+    int dx=0; bool rotate=0; int colorNum=1;
+	float timer=0,delay=0.3; 
+
+	Clock clock;
+
+    while (window.isOpen())
+    {
 		float time = clock.getElapsedTime().asSeconds();
 		clock.restart();
-		timer+=time;
-
-        Event e;
-        while (window.pollEvent(e))
-        {
-            if (e.type == Event::Closed)
-                window.close();
-
+		timer+=time;
+
+        Event e;
+        while (window.pollEvent(e))
+        {
+            if (e.type == Event::Closed)
+                window.close();
+
 			if (e.type == Event::KeyPressed)
 			  if (e.key.code==Keyboard::Up) rotate=true;
 			  else if (e.key.code==Keyboard::Left) dx=-1;
-			  else if (e.key.code==Keyboard::Right) dx=1;
-		}
-
+			  else if (e.key.code==Keyboard::Right) dx=1;
+		}
+
 	if (Keyboard::isKeyPressed(Keyboard::Down)) delay=0.05;
-
+
 	//// <- Move -> ///
 	for (int i=0;i<4;i++)  { b[i]=a[i]; a[i].x+=dx; }
     if (!check()) for (int i=0;i<4;i++) a[i]=b[i];
@@ -86,7 +88,7 @@ int main()
 	 	  }
    	    if (!check()) for (int i=0;i<4;i++) a[i]=b[i];
 	  }
-
+
 	///////Tick//////
 	if (timer>delay)
 	  {
@@ -105,9 +107,9 @@ int main()
 		   }
 		}
 
-	  	timer=0;
-	  }
-
+	  	timer=0;
+	  }
+
 	///////check lines//////////
     int k=M-1;
 	for (int i=M-1;i>0;i--)
@@ -119,13 +121,13 @@ int main()
 		    field[k][j]=field[i][j];
 		}
 		if (count<N) k--;
-	}
-
+	}
+
     dx=0; rotate=0; delay=0.3;
-
+
     /////////draw//////////
-    window.clear(Color::White);	
-    window.draw(background);
+    window.clear(Color::White);	
+    window.draw(background);
 
 	for (int i=0;i<M;i++)
 	 for (int j=0;j<N;j++)
@@ -135,19 +137,19 @@ int main()
 		 s.setPosition(j*18,i*18);
 		 s.move(28,31); //offset
 		 window.draw(s);
-	   }
-
+	   }
+
 	for (int i=0;i<4;i++)
 	  {
 		s.setTextureRect(IntRect(colorNum*18,0,18,18));
 		s.setPosition(a[i].x*18,a[i].y*18);
 		s.move(28,31); //offset
 		window.draw(s);
-	  }
-
-	window.draw(frame);
- 	window.display();
-	}
-
-    return 0;
-}
+	  }
+
+	window.draw(frame);
+ 	window.display();
+	}
+
+    return 0;
+}