diff --git a/testTerminal.c b/testTerminal.c
index f9cf9f6..885cda7 100644
--- a/testTerminal.c
+++ b/testTerminal.c
@@ -1,49 +1,51 @@
 #include <stdio.h>
 #include "raycastlib.h"
 #include <unistd.h>
+#include <stdlib.h>
 
 #define LEVEL_W 20
 #define LEVEL_H 15
 
-#define SCREEN_W 60
-#define SCREEN_H 20
+#define SCREEN_W 80
+#define SCREEN_H 40
 
 char pixels[SCREEN_W * SCREEN_H];
 Camera camera;
 
-int8_t level[LEVEL_W * LEVEL_H] =
+const int8_t level[LEVEL_W * LEVEL_H] =
 {
 /*                      11  13  15  17  19 
   0 1 2 3 4 5 6 7 8 9 10  12  14  16  18  */
-  0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0, // 0
-  0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0, // 1
-  0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0, // 2
-  0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0, // 3
-  0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0, // 4
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 5
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 6
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 7
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 8
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 9
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 10
-  0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0, // 11
+  0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0, // 0
+  0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0, // 1
+  0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,1,0,0, // 2
+  1,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0, // 3
+  0,0,0,0,0,0,0,0,0,1,0,0,1,1,1,0,0,1,0,0, // 4
+  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0, // 5
+  1,1,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0, // 6
+  0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0, // 7
+  0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,1,1,1,1, // 8
+  0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0, // 9
+  0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,1, // 10
+  0,0,0,0,0,1,0,0,0,1,0,0,0,0,1,1,1,0,0,1, // 11
   0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0, // 12
-  0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0, // 13
-  0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0  // 14
+  0,0,0,0,0,1,0,0,0,1,1,1,0,0,1,0,0,0,0,0, // 13
+  0,0,0,0,0,1,0,0,0,1,0,0,0,0,1,0,0,0,0,0  // 14
 };
 
 Unit heightAt(int16_t x, int16_t y)
 {
-  if (x < 0 || x >= SCREEN_W || y < 0 || y >= SCREEN_H)
+  int32_t index = y * LEVEL_W + x;
+
+  if (index < 0 || (index >= LEVEL_W * LEVEL_H))
     return UNITS_PER_SQUARE * 2;
 
-return 0;
-//  return level[y * LEVEL_W + x] * UNITS_PER_SQUARE * 2;
+  return level[y * LEVEL_W + x] * UNITS_PER_SQUARE * 2;
 }
 
 void pixelFunc(PixelInfo *p)
 {
-  char c = '.';
+  char c = ' ';
 
   if (p->isWall)
   {
@@ -51,9 +53,9 @@ void pixelFunc(PixelInfo *p)
     {
       case 0:  c = 'X'; break;
       case 1:  c = '#'; break;
-      case 2:  c = 'p'; break;
+      case 2:  c = 'o'; break;
       case 3:
-      default: c = 'o'; break;
+      default: c = '.'; break;
     }
   }
 
@@ -73,7 +75,9 @@ void draw()
   c.maxSteps = 40;
   c.computeTextureCoords = 0;
 
-  renderSimple(camera,heightAt,0,pixelFunc,0,c);
+
+  //renderSimple(camera,heightAt,0,pixelFunc,0,c);
+  render(camera,heightAt,0,0,pixelFunc,c);
 
   for (int j = 0; j < SCREEN_H; ++j)
   {
@@ -84,20 +88,50 @@ void draw()
   }
 }
 
+int dx = 1;
+int dy = 0;
+int dr = 1;
+int frame = 0;
+
 int main()
 {
   initCamera(&camera);
   camera.position.x = 2 * UNITS_PER_SQUARE;
   camera.position.y = 2 * UNITS_PER_SQUARE;
-  camera.direction = -UNITS_PER_SQUARE / 3; //0;//(3 * UNITS_PER_SQUARE) / 4;
+  camera.direction = 0;
   camera.resolution.x = SCREEN_W;
   camera.resolution.y = SCREEN_H;
 
-  for (int i = 0; i < 100; ++i)
+  for (int i = 0; i < 10000; ++i)
   {
     draw();
-    camera.position.x += 100;
+
+    int squareX = divRoundDown(camera.position.x,UNITS_PER_SQUARE);
+    int squareY = divRoundDown(camera.position.y,UNITS_PER_SQUARE);
+ 
+    if (rand() % 100 == 0)
+    {
+      dx = 1 - rand() % 3;
+      dy = 1 - rand() % 3;
+      dr = 1 - rand() % 3;
+    }
+
+    while (heightAt(squareX + dx,squareY + dy) > 0)
+    {
+      dx = 1 - rand() % 3;
+      dy = 1 - rand() % 3;
+      dr = 1 - rand() % 3;
+    }
+
+    camera.position.x += dx * 200;
+    camera.position.y += dy * 200;
+    camera.direction += dr * 10;
+
+    camera.height = UNITS_PER_SQUARE + sinInt(frame * 16) / 2;
+
     usleep(100000);
+
+    frame++;
   }
 
   return 0;