我正在使用 android 中的 Kudan SDK 开发增强现实。当手机摄像头指向标记时,我正在尝试生成 3D 模型。我能够做到这一点。但是如果我将相机从标记上移开,模型就会消失。我不希望 3D 模型消失,除非应用程序关闭或相机关闭。我想在移动相机的同时移动 3D 模型。这是插入标记和 3D 模型的代码。
private void addImageTrackable() {
// Initialise image trackable
trackable = new ARImageTrackable("Space");
trackable.loadFromAsset("user_pic.jpg");
// Get instance of image tracker manager
ARImageTracker trackableManager = ARImageTracker.getInstance();
// Add image trackable to image tracker manager
trackableManager.addTrackable(trackable);
}
private void addModelNode() {
// Import model
ARModelImporter modelImporter = new ARModelImporter();
modelImporter.loadFromAsset("cube.jet");
ARModelNode modelNode = (ARModelNode) modelImporter.getNode();
// Load model texture
ARTexture2D texture2D = new ARTexture2D();
texture2D.loadFromAsset("cube.png");
// Apply model texture to model texture material
ARLightMaterial material = new ARLightMaterial();
material.setTexture(texture2D);
material.setAmbient(0.8f, 0.8f, 0.8f);
// Apply texture material to models mesh nodes
for (ARMeshNode meshNode : modelImporter.getMeshNodes()) {
meshNode.setMaterial(material);
}
modelNode.rotateByDegrees(10, 1, 0, 0);
modelNode.scaleByUniform(3f);
modelNode.setPosition(1, 1, 2000);
modelNode.play();
// Add model node to image trackable
trackable.getWorld().addChild(modelNode);
modelNode.setVisible(true);
}
但即使我将相机从标记处移开,我也想保留这个 3D 模型。