Google Filament 加载 glb 文件,改变材质颜色 - V2EX
DateData

Google Filament 加载 glb 文件,改变材质颜色

  •  
  •   DateData Apr 10, 2024 9811 views
    This topic created in 763 days ago, the information mentioned may be changed or developed.

    我这里使用 Google 开源的 filament 加载 glb 文件,想要改变其中一个材质的颜色,在网上搜了好久也没有找到办法,不知道有没有使用过这个项目的,能指点一二,不胜感激! https://github.com/google/filament

    7 replies    2024-04-10 14:15:44 +08:00
    psklf
        1
    psklf  
       Apr 10, 2024
    材质是写在 glb 里面的,改一下 glb 嘛
    DateData
        2
    DateData  
    OP
       Apr 10, 2024
    @psklf 我的需求是要动态改变,类似懂车帝里查看车辆时,改变车的颜色一样
    wangtian2020
        3
    wangtian2020  
       Apr 10, 2024
    只用过 threejs 的时候动态改过材质颜色。首先在 blender 里打开素材,找到要改变的组件的 id 或者是 name 。然后用程序里用 api 选中组件改就行了。自己去翻翻 API 吧
    psklf
        4
    psklf  
       Apr 10, 2024
    @DateData #2 material 里面 setParameter 看试试?大概在这一块了,附近找找。
    DateData
        5
    DateData  
    OP
       Apr 10, 2024
    @psklf 多谢 多谢
    b821025551b
        6
    b821025551b  
       Apr 10, 2024
    静下心来翻翻文档嘛
    https://google.github.io/filament/Materials.md.html#materialdefinitions/format/example
    至于到安卓怎么写,随便搜了一下有个重置天空盒的: https://www.cnblogs.com/crane13/p/15876270.html
    我觉得材质对象应该也有一堆吧,打印出来看看和文档有没有相似的东西。
    DateData
        7
    DateData  
    OP
       Apr 10, 2024
    @psklf 下面代码是可行的
    val materialInstances: Array<out MaterialInstance>? = modelViewer.asset?.instance?.materialInstances


    // val textureSampler = TextureSampler()

    if (materialInstances != null) {
    for (materialInstance in materialInstances) {
    L.l().d("setColor :"+materialInstance.name)
    if (materialInstance.name =="touming") {
    materialInstance.setParameter(
    "baseColorFactor",
    0.5f,
    0.10f,
    0.10f
    ) // Values for Red, Green and Blue
    }
    }
    }
    About     Help     Advertise     Blog     API     FAQ     Solana     4277 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 33ms UTC 00:06 PVG 08:06 LAX 17:06 JFK 20:06
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86