position

The position component places entities at certain spots in 3D space. Position takes a coordinate value as three space-delimited numbers.

All entities inherently have the position component.

Example

            

              <
                a-entity
                position=
                "0 1 -1">
              </
                a-entity>
          

Value

A-Frame uses a right-handed coordinate system where the negative Z axis extends into the screen. The table below assumes looking down the negative Z axis from the origin.

Relative Positioning

World-space positions of child entities inherit from parent entities. Consider this scene:

            

              <
                a-entity
                id=
                "parent"
                position=
                "1 2 3">
            

              <
                a-entity
                id=
                "child-1">
              </
                a-entity>
            

              <
                a-entity
                id=
                "child-2"
                position=
                "2 3 4">
              </
                a-entity>
            

              </
                a-entity>
          

The world-space position of #child1would be 1 2 3as inherited by the entity. In the local parent’s space, #child1‘s position would be 0 0 0.

The world-space position of #child2would be 3 5 7, by combining the position with the parent entity. In the parent’s local space, #child2‘s position would be 2 3 4.