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void move()
    {
		x_rockman += x_velocity;
		y_rockman += y_velocity;
 
    	if(check_collision(box, wall) )
			{
				if(Left_Collision || Right_Collision)
						{
							x_rockman -= x_velocity;		
							y_rockman -= 5;
						}
				else if(Top_Collision)
						{
								y_velocity = 10;
								y_rockman += y_velocity;
 
						}	
				else if(Bottom_Collision)
						{
								y_velocity = 0;	
						}	
 
			}        
 
    }

prog.cpp: In function ‘void move()’:
prog.cpp:3:3: error: ‘x_rockman’ was not declared in this scope
prog.cpp:3:16: error: ‘x_velocity’ was not declared in this scope
prog.cpp:4:3: error: ‘y_rockman’ was not declared in this scope
prog.cpp:4:16: error: ‘y_velocity’ was not declared in this scope
prog.cpp:6:25: error: ‘box’ was not declared in this scope
prog.cpp:6:30: error: ‘wall’ was not declared in this scope
prog.cpp:6:34: error: ‘check_collision’ was not declared in this scope
prog.cpp:8:8: error: ‘Left_Collision’ was not declared in this scope
prog.cpp:8:26: error: ‘Right_Collision’ was not declared in this scope
prog.cpp:13:13: error: ‘Top_Collision’ was not declared in this scope
prog.cpp:19:13: error: ‘Bottom_Collision’ was not declared in this scope

Standard output is empty