Collider Gizmo

For more information about the collider of Cocos Creator, you can read the Physics Introduction documentation.

Box Collider

Box Collider Gizmo shows the length, width, height of the box. You can edit them by dragging the control quad.

Sphere Collider

Sphere Collider Gizmo shows the size of sphere, you can edit the radius of sphere by dragging the control quad.