我是第一次接触Scenekit。现在,我正在尝试显示一个3D模型,上面有一些金属零件。使用以下命令以编程方式设置所有材质后:
myNode?.geometry?.firstMaterial?.diffuse.contents = UIImage(named: "albedo.jpg")
//... same with metallic map, normal map, roughness map ...
金属部件呈现纯白色。我该如何解决这个问题呢?
发布于 2018-07-31 08:37:23
感谢Warren的回复。
看起来
myView.scene?.lightingEnvironment.contents = ...
就是我要找的。
诀窍是设置适当的背景,以便我们可以在金属部件上看到逼真的反射。我是用错误的方式做的
scene.background.contents = ...
发布于 2019-04-30 18:27:12
scene.background.contents = UIImage(named: "background.jpg")
scene.lightingEnvironment.contents = UIImage(named: "env.hdr")
scene.lightingEnvironment.intensity = 3
let material = SCNMaterial()
material.lightingModel = .physicallyBased
material.diffuse.contents = UIImage(named: "albedo.jpg")
material.metalness.contents = UIImage(named: "metalness.jpg")
material.roughness.contents = UIImage(named: "roughness.jpg")
material.metalness.intensity = 0.5
material.roughness.intensity = 1.0
// YOU CAN ASSIGN ALL THE MATERIALS AT ONCE
node.geometry?.materials = [material]
https://stackoverflow.com/questions/51496536
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