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Newcomers DBPro Corner / Units or Pixels

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Bazza
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Posted: 18th Aug 2004 06:58
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Hi Guys

I wanted to know the following please.

If I use the command set display mode 1024,768,32 and I then create an object cube. Is the size I specify of the Cube in pixels or units?

Also where does the 0,0,0 axis point sit within the 1024,768,32 3d
world?

thanks
Barry
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IanM
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Posted: 18th Aug 2004 07:03
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Resolution does not affect world units. The cube will take up the same area on-screen no matter what resolution you use.

There is no single point which is 0,0,0 on your screen. As soon as you move the camera, it will be in a different place - if it's on the screen at all at that point.

*** Coming soon - Network Plug-in - Check my site for info ***
For free Plug-ins, source and the Interface library for Visual C++ 6, .NET and now for Dev-C++ http://www.matrix1.demon.co.uk
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Bazza
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Posted: 18th Aug 2004 07:11
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Thanks for the quick reply.

If I have the folowing:

screen is 1024x768 and I create a cube of 1 unit size

If i want to move the cube around the world and check whether the cube will go off the screen, what value would I check?

would I check that the cube is going passed 1024 or is there a specif unit value?

thanks
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IanM
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Posted: 18th Aug 2004 07:13
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You can use the OBJECT IN SCREEN() and OBJECT SCREEN X()/OBJECT SCREEN Y() functions to see if the object is still in screen and what position its centre point is at in relation to the screen.

*** Coming soon - Network Plug-in - Check my site for info ***
For free Plug-ins, source and the Interface library for Visual C++ 6, .NET and now for Dev-C++ http://www.matrix1.demon.co.uk
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Bazza
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Posted: 18th Aug 2004 07:19
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thanks Ian
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