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Question by Meuktwo · Dec 18, 2017 at 02:17 PM · androidbugshadows

Android Shadows Degrade over time

Hi, I'm having trouble with shadows on my android. The last time I made a build was more than 8 months ago, and before then I didn't have a shadow problem. This is what happens. It starts up looking nice and sharp, and with time the shadows degrade and I get weird unwanted shadows on the ground and cube. I've tried messing around a bit with the lighting settings but I have no idea what is going on.

Thank you very much,

Here are the two pictures: alt text alt text

screenshot-20171218-145621.png (107.7 kB)
screenshot-20171218-145607.png (48.9 kB)
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avatar image Yuvii · Dec 18, 2017 at 03:17 PM 1
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really not familiar with android but i'll try a shot.

Is your red cube moving ? Or is it the level that moves backward and gives the illusion that the red cube is moving ? (the second option is the best)

If the red cube is moving, then it may be because of the high position values of your cube. For example, when you start the game, the cube's positions are 0,0,0, and unity easily calculates the shadows. After 5mn, let's say your red cube's positions are > 10000,0,0, then unity might have some troubles to render shadows.

It is just an idea, but take a look on this !

avatar image Meuktwo Yuvii · Dec 19, 2017 at 12:31 PM 0
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Currently, I'm moving the red cube. The numbers displayed are highscore and current distance. So it is only at a position of 736 along the z, do you think that this still has an impact? What is strange is that I never had this problem before. I updated unity recently and made a new build and now I have this problem.

avatar image Yuvii Meuktwo · Dec 19, 2017 at 01:19 PM 0
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Could be a lot of things... Assu$$anonymous$$g that smartphones needs cheap graphics, and your small updates could have impacted a bit the perfs too.. Again this is only an idea so i might be far from the problem's nature. 736 looks indeed pretty low to get that kind of bug. Did you try the game on other smartphones ?

But whatever the problem is, i'd advice you to move the level and not the cube. It's a cleaner way to do a runner and it might solve your problem indirectly.

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Answer by Meuktwo · Dec 21, 2017 at 05:53 PM

I solved the problem by adjusting the Graphics setting and setting "Cascaded Shadows" on for all tiers!

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