diff --git a/xSDL/xSprite.cpp b/xSDL/xSprite.cpp
index f420e11..fbf3173 100644
--- a/xSDL/xSprite.cpp
+++ b/xSDL/xSprite.cpp
@@ -7,6 +7,16 @@ xSprite::~xSprite(){
 	_mutex.unlock();
 }
 
+/** copy constructor */
+xSprite::xSprite(const xSprite& other){
+	// copy surface
+	if( other._surface != NULL ){
+		this->setSurface( SDL_ConvertSurface(other._surface, other._surface->format, SDL_SWSURFACE) );
+	}
+	this->setClip(other._clip);
+	this->project(other._projection);
+}
+
 /** color sprite */
 xSprite::xSprite(const int rgba[]){
 	this->setSurface(rgba);
@@ -89,7 +99,7 @@ void xSprite::setSurface(SDL_Surface *s){
 
 	_mutex.unlock();
 }
-SDL_Surface* xSprite::surface(){
+const SDL_Surface* xSprite::surface(){
 	_mutex.lock();
 	SDL_Surface* surface = _surface;
 	_mutex.unlock();
@@ -107,7 +117,7 @@ void xSprite::setClip(int x, int y, int w, int h){
 }
 
 /** gets sprite clip */
-SDL_Rect xSprite::clip(){
+const SDL_Rect xSprite::clip(){
 	_mutex.lock();
 	const SDL_Rect clip = _clip;
 	_mutex.unlock();
@@ -124,7 +134,7 @@ void xSprite::project(int x, int y, int w, int h){
 	project( (SDL_Rect){x, y, w, h} );
 }
 /** gets sprite projection */
-SDL_Rect xSprite::projection(){
+const SDL_Rect xSprite::projection(){
 	_mutex.lock();
 	const SDL_Rect projection = _projection;
 	_mutex.unlock();
diff --git a/xSDL/xSprite.h b/xSDL/xSprite.h
index c0961b1..617ef0d 100644
--- a/xSDL/xSprite.h
+++ b/xSDL/xSprite.h
@@ -13,6 +13,9 @@
 	class xSprite : public xDrawable{
 
 		public:
+			// copy constructor
+			xSprite(const xSprite& other);
+
 			// color sprite
 			xSprite(const int rgba[]);
 			// image sprite
@@ -31,17 +34,17 @@
 			void setSurface(const int rgba[]); // color sprite
 			void setSurface(const char *url);  // image sprite
 			void setSurface(SDL_Surface *t);   // copy surface
-			SDL_Surface* surface();
+			const SDL_Surface* surface();
 
 			// sets the sprite clip
 			void setClip(SDL_Rect clip);
 			void setClip(int x, int y, int w, int h);
-			SDL_Rect clip();
+			const SDL_Rect clip();
 
 			// set projection into scene
 			void project(SDL_Rect dest);
 			void project(int x, int y, int w, int h);
-			SDL_Rect projection();
+			const SDL_Rect projection();
 
 			// implement xDrawable
 			virtual void draw(SDL_Renderer* renderer) override;