moved aabb calcs

src/engine/models/mesh_frame.cpp

@@ -90,3 +90,43 @@ void MeshFrame::allocateMaterials(const u32 &t_val)
     materials = new MeshMaterial[t_val];
     _areMaterialsAllocated = true;
 }
+
+void MeshFrame::calculateBoundingBox()
+{
+    if (!_areVerticesAllocated)
+    {
+        PRINT_ERR("Can't calculate bounding box, because vertices was not allocated!");
+        return;
+    }
+    float lowX, lowY, lowZ, hiX, hiY, hiZ;
+    lowX = hiX = vertices[0].x;
+    lowY = hiY = vertices[0].y;
+    lowZ = hiZ = vertices[0].z;
+    for (u32 i = 0; i < vertexCount; i++)
+    {
+        if (lowX > vertices[i].x)
+            lowX = vertices[i].x;
+        if (hiX < vertices[i].x)
+            hiX = vertices[i].x;
+
+        if (lowY > vertices[i].y)
+            lowY = vertices[i].y;
+        if (hiY < vertices[i].y)
+            hiY = vertices[i].y;
+
+        if (lowZ > vertices[i].z)
+            lowZ = vertices[i].z;
+        if (hiZ < vertices[i].z)
+            hiZ = vertices[i].z;
+    }
+    boundingBox[0].set(lowX, lowY, lowZ);
+    boundingBox[1].set(lowX, lowY, hiZ);
+    boundingBox[2].set(lowX, hiY, lowZ);
+    boundingBox[3].set(lowX, hiY, hiZ);
+
+    boundingBox[4].set(hiX, lowY, lowZ);
+    boundingBox[5].set(hiX, lowY, hiZ);
+    boundingBox[6].set(hiX, hiY, lowZ);
+    boundingBox[7].set(hiX, hiY, hiZ);
+    _isBoundingBoxCalculated = true;
+}