Qt Quick 3D - Principled Material Example

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 import QtQuick
 import QtQuick3D
 Node {
     scale: Qt.vector3d(200, 200, 200)
     ResourceLoader {
         meshSources: [
             frame.source,
             curtain.source
         ]
         textures: [
             tilePatternTexture,
             curtainNormalTexture
         ]
     }

     Model {
         id: frame
         z: -1.95
         source: "meshes/frame.mesh"

         PrincipledMaterial {
             id: frame_material
             baseColor: "#ffcccccc"
             metalness: 1
             roughness: 0.259091
             alphaMode: PrincipledMaterial.Opaque
         }
         materials: [
             frame_material
         ]
     }
     Model {
         id: curtain
         y: 3.02413
         z: 2.04922
         source: "meshes/curtain.mesh"

         PrincipledMaterial {
             id: curtain_material
             baseColorMap: Texture {
                 id: tilePatternTexture
                 source: "maps/tilepattern.png"
                 generateMipmaps: true
                 mipFilter: Texture.Linear
             }
             opacityChannel: Material.A
             roughness: 0.5
             normalMap: Texture {
                 id: curtainNormalTexture
                 source: "maps/curtain_normal.jpg"
                 generateMipmaps: true
                 mipFilter: Texture.Linear
             }
             cullMode: Material.NoCulling
             alphaMode: PrincipledMaterial.Opaque
         }
         materials: [
             curtain_material
         ]
     }
 }