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Posted By
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Message
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G. Hull
Registered
07/01/2009
Points
125
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12th May, 2010 at 17:37:49 -
Hey all.
Another question for you guys.
I've got a game I'm making (what a shocker) and I need some help with it.
I want to make a Sniper game where you are shooting--dare I say, people--and you must kill a certain amount to win the mission. I want to create sort of a "Scope" for the sniper, so it blacks out everything that the circle isn't overlapping. I don't, however, want to make the scope a Transparent circle with a black border twice the size of the whole frame always at the position of the mouse, as that idea would be completely laggy the game and would be a scene to fix up right. I was thinking it might require use of the active overlay or just the overlay object created by Andos, but I'm not sure.
Thanks a lot!
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aphant
Registered
18/05/2008
Points
1242
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12th May, 2010 at 19:35:16 -
What you could do is have a transparent circle cut into a black square. Then, have a small object filled with black that is stretched from each of the edges of the window to the side of that scope-square.
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G. Hull
Registered
07/01/2009
Points
125
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13th May, 2010 at 00:12:36 -
Sorry, but I'm not following =\
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Don Luciano
Heavy combat pancake
Registered
25/10/2006
Points
380
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13th May, 2010 at 10:07:06 -
A good idea would be to make every object invisible unless overlapping the scope, set background to black offcourse, but aswell the scope should have another black outline circle that is a bit thicker that only acts to hide objects that are overlaping visible so they dont appear whole until they are in the scope actual circle.
Offcourse this should mean that u cannot make too big objects anywhere... Oh and u can use the lens object for the scope that would be cool 
 Edited by Don Luciano
Code me a sausage!
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Assault Andy
Administrator
I make other people create vaporware
Registered
29/07/2002
Points
5686
   
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13th May, 2010 at 10:38:39 -
If you use the HWA version of MMF then you won't experience slow down when you use a huge black active object.
Creator of Faerie Solitaire:
http://www.create-games.com/download.asp?id=7792
Also creator of ZDay20 and Dungeon Dash.
http://www.Jigxor.com
http://twitter.com/JigxorAndy
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Klikmaster
Master of all things Klik
Registered
08/07/2002
Points
2599
  
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15th May, 2010 at 15:11:04 -
You can indeed do this with the Overlay object too.
I think what you need to do is put the overlay object onto a layer on top of everything and then every MMF loop fill the overlay with black and draw a transparent circle where the cursor is
I have no idea whether this would be quicker than just making a large active object like the others have suggested.
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Mr_Tom
Registered
01/12/2007
Points
389
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22nd May, 2010 at 11:49:34 -
in HWA you can use the Looki's lens shader and hole shader to make an awesome sniper scope of the nature you desire.
Does involve a large black active though but it doesnt move and its only as large as the screen is and that wont slow anything down. The X and Y coefficients are just set to (Xmouse*1.0)/Frame Width*1.0) and same for Y axis.
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