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DarkBASIC Discussion / Continueous Vertical Screen Scroller

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Zombie 20
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Posted: 20th Mar 2007 21:48
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Hello All,

I've already been given a great deal of assistance on how to mkae the sceen scroll, so i don't need to know how to make it scroll, but i can't for the life of me figure out how to make it keep scrolling, if anyone could help, i would appreciate it.

thank you

zombie

"You can't expect to wield supreme executive power just because some watery tart throws a sword at you..."
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Phaelax
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Posted: 21st Mar 2007 08:36
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A scroll that loops an image? Or something that just keeps on moving?

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Zombie 20
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Posted: 21st Mar 2007 09:11
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something that just keeps moving

"You can't expect to wield supreme executive power just because some watery tart throws a sword at you..."
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Phaelax
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Posted: 21st Mar 2007 16:52
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Well, if its for 3D:



2D is a little more involved, as its not a camera which really moves but everything else which moves. So if you have a bunch of sprites, you would be them all down by the same number (like speed variable above).

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Zombie 20
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Posted: 22nd Mar 2007 13:35
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Thank you very much.

"You can't expect to wield supreme executive power just because some watery tart throws a sword at you..."
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Quisco DaLuse
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Posted: 22nd Mar 2007 14:26
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In Phaelax' snippet, shouldn't the variables x, y, z, tz and speed all be floats? Also, the call should be to position camera x#,y#,z#, not simply 'position' as listed. Lastly, since the x# and y# variables are not being changed, why not establish them prior to the main loop and then just update the z# variable in the loop itself? Just some thoughts. . .

You idiots! You've captured their stunt doubles!
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Phaelax
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Posted: 22nd Mar 2007 19:39
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whoops, yea its "camera position".

Quote: "since the x# and y# variables are not being changed, why not establish them prior to the main loop and then just update the z# variable in the loop itself"

right, but I was only trying to get the scrolling idea across to him.

The variables really only need to be floats if the speed is a float. Typically you would want floats in most games because the player has control over the camera. But for this case where its moving at a constant speed in the same direction constantly, then there's no need.

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Zombie 20
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Posted: 23rd Mar 2007 01:20
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thank you guys for your help

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