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Rotation 180 degrees android doesn't work properly


Rotation 180 degrees android doesn't work properly

By : GuiLl3 Creations
Date : November 14 2020, 04:48 PM
With these it helps If I change left-side-base to right-side-base (both are landscape view modes for user) the application (activity) doesn't recreate. Hense, the camera is shown as horizontaly flipped image. The same result when I try to change position of my device for two portrait modes (normal and inverse). The device detects 90 degree rotation normaly. That is, left-side => portrait => right-size => inverse-portrait => left-side works correctly! , You need to get the camera's supporting parameters like this:
code :
Camera.Parameters parameters = camera.getParameters();
parameters.setRotation(int);
if(display.getRotation() == Surface.ROTATION_0){//0
    parameters.setRotation(90);
    mCamera.setDisplayOrientation(90);
}else if(display.getRotation() == Surface.ROTATION_90){//1
    parameters.setRotation(0);
    mCamera.setDisplayOrientation(0);
}else if(display.getRotation() == Surface.ROTATION_180){//2
    parameters.setRotation(270);
    mCamera.setDisplayOrientation(270);
}else if(display.getRotation() == Surface.ROTATION_270){//3
    parameters.setRotation(180);
    mCamera.setDisplayOrientation(180);
}


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Why rotation doesn't work if more than 45 degrees

Why rotation doesn't work if more than 45 degrees


By : Legendary Admin
Date : March 29 2020, 07:55 AM
Any of those help it's unclear from your code what you do exactly, but you mention 45 degrees
Math.sin() and Math.cos() work with radians http://docs.oracle.com/javase/1.4.2/docs/api/java/lang/Math.html
openGL move forward with rotation works for 0 degrees, backwards for 90 degrees

openGL move forward with rotation works for 0 degrees, backwards for 90 degrees


By : Jose Luis Jimenez Gu
Date : March 29 2020, 07:55 AM
This might help you I am trying to move my world in reference to a character. It works if the degree is zero (the player goes forward) but messes up everywhere else. When it is 90 degrees, the player goes backwards instead of forwards. I feel like I am on the right track and I just messed up something small. , The formula is incorrect. Here is the correct one:
code :
def moveForward():
   global angle, angle_speed, world_loc, maxSize
   rad = (angle+90) * (pi/180)
   world_loc = (world_loc[0] - speed * cos(rad), world_loc[1], world_loc[2] - speed *    sin(rad))
Android: Back stack doesnt work properly

Android: Back stack doesnt work properly


By : deepesh malukani
Date : March 29 2020, 07:55 AM
Hope that helps Use addToBackStack() if you want the navigation to backup on the backspace key. Here's an example:
code :
FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction();
ListCountriesSeenFragment listCountriesSeenFragment = new ListCountriesSeenFragment();
fragmentTransaction.replace(R.id.frameLayout, listCountriesSeenFragment, FRAGMENT_TAG_COUNTRIES_SEEN);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
Unity 5- GUI Textfield doesn't work properly on Android Build (The skin for some reason doesnt work and I cant change th

Unity 5- GUI Textfield doesn't work properly on Android Build (The skin for some reason doesnt work and I cant change th


By : Ambert Xie
Date : March 29 2020, 07:55 AM
I hope this helps you . You are using IMGUI which is designed to be used as an Editor tool. When you use anything that requires the OnGUI function, you should stop and look for alternate solution.
To get input from a user, use InputField that comes with the new Unity UI (uGUI). The #3 on this post explains how to detect submit on an InputField.
Android canvas rotation: need to rotate *by* x degrees not *to* x degrees

Android canvas rotation: need to rotate *by* x degrees not *to* x degrees


By : Buntuu
Date : March 29 2020, 07:55 AM
Does that help One simple approach would be to store the last rotation as a variable and +/- next rotation to it - watching of course you don't go beyond 360.
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