Builtin Materials
Creator has built-in several common materials in the internal -> default_materials directory of the Assets panel. The Effect used is built-in shader, the properties of the built-in materials are not allowed to be modified.

| Builtin material | description |
|---|---|
| default-materail | Standard Material for opaque objects |
| default-materail-transparent | Standard Material for transparent objects |
| particle-add | Standard material for particle system |
| ui-sprite-material | Standard materail for sprite |
