threejsutils:three.js的实用程序类

threejsutils three.js的实用程序类 用例 坡度 let c1 = Gradient . color ( "red" ) , c2 = Gradient . color ( "blue); let gradient1 = Gradient.between([c1, c2]); let cs1 = Gradient.colorStop(0.5, " green " ) , cs2 = Gradient . colorStop ( 2 , "yellow" ) ; let gradient2 = Gradient . stop ( [ cs1 , cs2 ] ) ; let v = gradient1 . get ( 0.3 ) ; t // use callback to process models let helper = new GLTFHelper ( { ca