How do I Calculate the left edge of the visible area

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- justifun
- - Joined 9 Oct, 2012
  - 140 topics • 1,081 posts
- 1
- 19 Sep, 2016
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I'm using scroll to to move the virtual camera around, and i'd like to figure out what the left edge of the visible area is.

The right side is simply "LayoutWidth", but what's the left side?

thanks
- R0J0hound
- - Joined 15 Jun, 2009
  - 90 topics • 7,433 posts
- 1
- 19 Sep, 2016
- Quote
[quote:1hms37qb]ViewportBottom(layer)
ViewportLeft(layer)

ViewportRight(layer)

ViewportTop(layer)

Return the viewport boundaries in layout co-ordinates of a given layer. Not all layers have the same viewport if they are parallaxed, scaled or rotated separately.
- justifun
- - Joined 9 Oct, 2012
  - 140 topics • 1,081 posts
- 1
- 19 Sep, 2016
- Quote
Ah. It's the paralaxing messing things up. Is there any way to calculate the edge with paralaxing?
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- blackhornet
- - Joined 28 May, 2012
  - 57 topics • 4,428 posts
- 1
- 19 Sep, 2016
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https://www.scirra.com/manual/126/system-expressions

CanvasToLayer & LayerToCanvas