diff --git a/pics/barrel.png b/pics/barrel.png
deleted file mode 100644
index eea212d..0000000
Binary files a/pics/barrel.png and /dev/null differ
diff --git a/pics/bluestone.png b/pics/bluestone.png
deleted file mode 100644
index e3bc499..0000000
Binary files a/pics/bluestone.png and /dev/null differ
diff --git a/pics/chess.png b/pics/chess.png
deleted file mode 100644
index c9da7b5..0000000
Binary files a/pics/chess.png and /dev/null differ
diff --git a/pics/colorstone.png b/pics/colorstone.png
deleted file mode 100644
index 507f12e..0000000
Binary files a/pics/colorstone.png and /dev/null differ
diff --git a/pics/eagle.png b/pics/eagle.png
deleted file mode 100644
index f9394d6..0000000
Binary files a/pics/eagle.png and /dev/null differ
diff --git a/pics/greenlight.png b/pics/greenlight.png
deleted file mode 100644
index 2345e8e..0000000
Binary files a/pics/greenlight.png and /dev/null differ
diff --git a/pics/greystone.png b/pics/greystone.png
deleted file mode 100644
index 18b51dd..0000000
Binary files a/pics/greystone.png and /dev/null differ
diff --git a/pics/mossy.png b/pics/mossy.png
deleted file mode 100644
index 22ca59f..0000000
Binary files a/pics/mossy.png and /dev/null differ
diff --git a/pics/pillar.png b/pics/pillar.png
deleted file mode 100644
index f5b4766..0000000
Binary files a/pics/pillar.png and /dev/null differ
diff --git a/pics/portal.png b/pics/portal.png
new file mode 100644
index 0000000..adeb5ca
Binary files /dev/null and b/pics/portal.png differ
diff --git a/pics/purplestone.png b/pics/purplestone.png
deleted file mode 100644
index 425bd71..0000000
Binary files a/pics/purplestone.png and /dev/null differ
diff --git a/pics/redbrick.png b/pics/redbrick.png
deleted file mode 100644
index 3eb620f..0000000
Binary files a/pics/redbrick.png and /dev/null differ
diff --git a/pics/teleporter.png b/pics/teleporter.png
new file mode 100644
index 0000000..fe5e362
Binary files /dev/null and b/pics/teleporter.png differ
diff --git a/pics/wood.png b/pics/wood.png
deleted file mode 100644
index c30c317..0000000
Binary files a/pics/wood.png and /dev/null differ
diff --git a/sfmlcaster.cpp b/sfmlcaster.cpp
index d0d5c4c..7e1972a 100644
--- a/sfmlcaster.cpp
+++ b/sfmlcaster.cpp
@@ -11,23 +11,22 @@
 using matrix::Matrix;
 using namespace fmt;
 
-#define texWidth 64 // must be power of two
-#define texHeight 64 // must be power of two
+#define texWidth 256 // must be power of two
+#define texHeight 256 // must be power of two
 
-
-#define numSprites 3
+#define numSprites 1
 #define numTextures 11
 
 struct Sprite {
   double x;
   double y;
+  double elevation;
   int texture;
 };
 
 //parameters for scaling and moving the sprites
 #define uDiv 1
 #define vDiv 1
-#define vMove 0.0
 
 const int RAY_VIEW_WIDTH=1280;
 const int RAY_VIEW_HEIGHT=720;
@@ -75,9 +74,9 @@ double planeY = 0.66;
 #define gray_color(c) rgba_color(c, c, c, 255)
 
 Sprite SPRITE[numSprites] = {
-  {3.0, 4.5, 8},
-  {3.4, 1.95, 9},
-  {7.34, 5.5, 10}
+   {4.0, 3.55, 0, 8},
+//  {3.4, 1.95, 9},
+//  {7.34, 5.5, 10}
 };
 
 double ZBuffer[RAY_VIEW_WIDTH];
@@ -107,18 +106,15 @@ void load_textures() {
     texture[i].resize(texWidth * texHeight);
   }
 
-  loadImage(texture[0], "pics/eagle.png");
-  loadImage(texture[1], "pics/redbrick.png");
-  loadImage(texture[2], "pics/purplestone.png");
-  loadImage(texture[3], "pics/greystone.png");
-  loadImage(texture[4], "pics/bluestone.png");
-  loadImage(texture[5], "pics/mossy.png");
-  loadImage(texture[6], "pics/wood.png");
-  loadImage(texture[7], "pics/colorstone.png");
-
-  loadImage(texture[8], "pics/barrel.png");
-  loadImage(texture[9], "pics/pillar.png");
-  loadImage(texture[10], "pics/greenlight.png");
+  loadImage(texture[0], "pics/tile16.png");
+  loadImage(texture[1], "pics/tile02.png");
+  loadImage(texture[2], "pics/tile03.png");
+  loadImage(texture[3], "pics/tile32.png");
+  loadImage(texture[4], "pics/tile05.png");
+  loadImage(texture[5], "pics/tile17.png");
+  loadImage(texture[6], "pics/tile10.png");
+  loadImage(texture[7], "pics/tile01.png");
+  loadImage(texture[8], "pics/portal.png");
 }
 
 void draw_sfml_rect(sf::RenderWindow &window, sf::Vector2f pos, sf::Vector2f size, uint8_t color) {
@@ -318,9 +314,10 @@ void ray_casting(sf::RenderWindow &window, Matrix& map) {
   // after sorting the sprites, do the projection
   for(int i = 0; i < numSprites; i++) {
     int sprite_index = spriteOrder[i];
-    double spriteX = SPRITE[sprite_index].x - posX;
-    double spriteY = SPRITE[sprite_index].y - posY;
-    int sprite_texture_number = SPRITE[sprite_index].texture;
+    Sprite& sprite_rec = SPRITE[sprite_index];
+    double spriteX = sprite_rec.x - posX;
+    double spriteY = sprite_rec.y - posY;
+    int sprite_texture_number = sprite_rec.texture;
     auto sprite_texture = texture[sprite_texture_number];
 
     //transform sprite with the inverse camera matrix
@@ -337,7 +334,7 @@ void ray_casting(sf::RenderWindow &window, Matrix& map) {
 
     int spriteScreenX = int((w / 2) * (1 + transformX / transformY));
 
-    int vMoveScreen = int(vMove / transformY);
+    int vMoveScreen = int(sprite_rec.elevation * -1 / transformY);
 
     // calculate the height of the sprite on screen
     //using "transformY" instead of the real distance prevents fisheye