1.0.4

Enhancements

• App3D#createCamera add extent parameter when camera type is orthographic

• Add App3D#cloneNode for cloning skinned models with proper skeleton handling. See example Dancing Group

• Use indices type instead of vertex count to determine if use OES_element_index_uint extension

Bugfixes

• Fix scene light numbers can't change bug

• Fix directional light with shadowCascade will throw error.