Привет, пытаюсь взглянуть, когда любой из пользовательских интерфейсов перед глазами или центральной точкой.Как кнопка воспроизведения или кнопка на карточном картоне, но ничего не происходит.
https://github.com/googlevr/gvr-android-sdk/blob/master/samples/sdk-video360/src/main/java/com/google/vr/sdk/samples/video360/VideoUiView.java
@override
public void onDrawEye(Eye eye) {
// Apply the eye transformation to the camera.
Matrix.multiplyMM(view, 0, eye.getEyeView(), 0, camera, 0);
Matrix.multiplyMM(viewProjectionMatrix, 0, eye.getPerspective(Z_NEAR, Z_FAR), 0, eye.getEyeView(), 0);
scene.glDrawFrame(viewProjectionMatrix, eye.getType());
if(isLookingAtTarget()){
Log.e(TAG,"Bulls eye : ###################");
}else{
}
}
/**
* Check if user is looking at the target object by calculating where the object is in eye-space.
*
* @return true if the user is looking at the target object.
*/
private boolean isLookingAtTarget() {
// Convert object space to camera space. Use the headView from onNewFrame.
Matrix.multiplyMM(viewProjectionMatrix, 0, headView, 0, modelTarget, 0);
Matrix.multiplyMV(tempPosition, 0, viewProjectionMatrix, 0, POS_MATRIX_MULTIPLY_VEC, 0);
float angle = Util.angleBetweenVectors(tempPosition, FORWARD_VEC);
Log.e(TAG,"Angle : " +angle);
return angle < ANGLE_LIMIT;
}