C3 and Clear Background

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From the Asset Store

Clear Art Pack

$4.99 USD

Basics sprites and tilesets to build a platformer game or prototype

playniax

- Unconnected
- - Joined 6 Apr, 2016
  - 78 topics • 342 posts
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- 2 May, 2019
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Does 'Clear Background' not exist in C3? I can't seem to find the option.

I am assuming it was removed because it became automatic.
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construct3
- AllanR
- - Joined 21 Nov, 2013
  - 5 topics • 1,429 posts
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- 2 May, 2019
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Unconnected
there is a "Transparent" check box under Appearance, in the layer properties panel... if that is what you mean.

or are you talking about clearing a canvas object?
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- Unconnected
- - Joined 6 Apr, 2016
  - 78 topics • 342 posts
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- 2 May, 2019
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C2 had a 'Clear Background' project option.

It was to increase performance.

It prevented the system from rendering the background of the game if the whole background was covered by object(s).

This is the first time I am needing to use it and I can't find it in C3.

I am thinking it is just automatic now.
- Ashley Construct Team Founder
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- - Joined 21 May, 2007
  - 669 topics • 30,350 posts
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- 3 May, 2019
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I'm not convinced it actually ever did anything to improve performance. In fact on some systems I think not clearing the background is a de-optimisation, because the GPU has to use less efficient rendering methods if it thinks the previous frame's contents could appear on the screen, and a clear on startup proves that won't happen. Anyway, the C3 runtime now automatically works out the best place to clear. I think that should never have been a user-exposed option, really.
- Unconnected
- - Joined 6 Apr, 2016
  - 78 topics • 342 posts
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- 3 May, 2019
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Thank you for clearing it up.