Changeset 520 for trunk/src/gfx/mesh_creator.cc

Timestamp:

10/03/16 17:45:46 (9 years ago)

Author:

epyon

Message:

• ecs updates
• animation updates
• ragdoll manager
• lua has own random engine
• several minor fixes
• particle engine/particle group
• shitload of other stuff
• bullet world

File:

• trunk/src/gfx/mesh_creator.cc (modified) (1 diff)

trunk/src/gfx/mesh_creator.cc

@@ -87 +87 @@
 }
 
+
+nv::aabb nv::mesh_data_creator::calculate_aabb()
+{
+        NV_ASSERT_ALWAYS( m_pos_channel, "No position channel found!" );
+        vec3 minv;
+        vec3 maxv;
+
+        if ( m_pos_channel->size() > 0 )
+        {
+                minv = *reinterpret_cast<const vec3*>( m_pos_channel->raw_data() + m_pos_offset );
+                maxv = minv;
+        }
+
+        for ( uint32 c = 0; c < m_pos_channel->size(); ++c )
+        {
+                vec3 v = *reinterpret_cast<const vec3*>( m_pos_channel->raw_data() + c*m_pos_channel->element_size() + m_pos_offset );
+                minv = nv::math::min( minv, v );
+                maxv = nv::math::max( maxv, v );
+        }
+        vec3 extents  = maxv - minv;
+        vec3 hextents = extents * 0.5f;
+        vec3 halfv    = minv + hextents;
+        return aabb( nv::transform( halfv ), hextents );
+}
 
 void nv::mesh_data_creator::transform( const vec3& pos, const mat3& r33, float scale /*= 1.0f */ )