remove third person cameras height limitation

src/voxels/Chunks.cpp

@@ -554,9 +554,7 @@ glm::vec3 Chunks::rayCastToObstacle(glm::vec3 start, glm::vec3 dir, float maxDis
 
     while (t <= maxDist) {
         voxel* voxel = get(ix, iy, iz);
-        if (voxel == nullptr) { 
-            return glm::vec3(px + t * dx, py + t * dy, pz + t * dz); 
-        }
+        if (voxel) {
             const auto def = indices->blocks.get(voxel->id);
             if (def->obstacle) {
                 if (!def->rt.solid) {
@@ -584,6 +582,7 @@ glm::vec3 Chunks::rayCastToObstacle(glm::vec3 start, glm::vec3 dir, float maxDis
                     return glm::vec3(px + t * dx, py + t * dy, pz + t * dz);
                 }
             }
+        }
         if (txMax < tyMax) {
             if (txMax < tzMax) {
                 ix += stepx;