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Yamman

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Joined: 11th Jun 2005

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Posted: 5th Jan 2006 13:51

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I have repaced the mouse with an object, but it is realy laggy. an any one help.

the code is

+ Code Snippet

hide mouse
 position object 4,object position x(4)+mousemovex(),object position y(4)-mousemovey(),object position z(4)

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BatVink

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Joined: 4th Apr 2003

Location: Gods own County, UK

Posted: 5th Jan 2006 15:04

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The mouse is in 2D space, but you are trying to position an object in 3D space. The calculation is more complex than what you have.

This is an example from Ric. Use the up and down keys to alter the object's Z-Position. It will always follow the mouse position, irrespective of camera filed of view and position.

+ Code Snippet

`2-d to 3-d by Ric.

autocam off
position camera 10,10,0
fov#=60.0
sh#=screen height()
sw#=screen width()
screenaspect#=sh#/sw#
set camera fov fov#
z#=100.0

make object cube 1,2

do

screenx#=(z#-camera position z())*tan(fov#/2.0)/screenaspect#
screeny#=(z#-camera position z())*tan(fov#/2.0)

x#=((2*screenx#*mousex()/sw#)-screenx#+camera position x())
y#=-((2*screeny#*mousey()/sh#)-screeny#)+camera position y()

if upkey()=1 and z#>5 then dec z#,0.2
if downkey()=1 then inc z#,0.2


position object 1,x#,y#,z#

loop

Original Thread - http://forum.thegamecreators.com/?m=forum_view&t=51704&b=1

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Newcomers DBPro Corner / mouse with bad lag