First Person shooter camera problem

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WebMonster

21

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Joined: 8th Dec 2002

Location: Hungary

Posted: 7th Feb 2003 22:26

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Hi!
I have a big problem, with my game's camera. I maked a level with "Magic World" and I imported it. The problem is there are mountains, and my camera "don'T climb up the moutains", else it's going throught the mountain. Wahat's the problem with it?

Do
CX#=Camera Angle X(): CY#=Camera Angle Y(): CZ#=Camera Angle Z()
CX#=Wrapvalue(CX#+mousemovey()): CY#=Wrapvalue(CY#+mousemovex())
Rotate Camera CX#,CY#,CZ#

If Upkey()=1 then MOVE camera 10

M#=Get Ground Height(100,CAMERA POSITION X(),CAMERA POSITION Z() )
set cursor 1,1
print M#
POSITION CAMERA CAMERA POSITION X(), , CAMERA POSITION Z()

If Downkey()=1
move camera -10
Position Camera Camera Position X(),Gh#+30.0+bob#,Camera Position z()

Endif

Sync

Loop

Please help me!

--==|| LAMAS RULZ! ||=--
The home of the Lama's

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large_nostril

21

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Joined: 5th Feb 2003

Location: United States

Posted: 8th Feb 2003 01:17

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cy#=get ground height(MatNum,cx#,cz#)[+Num]

Where MatNum is the matrix number you are using. You might need/want to adjust this by adding an additional value [+Num] so that your camera view is not right on the ground.

If you want fresh underwear in the morning, take it off the night before.

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Necrym

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Joined: 4th Sep 2002

Location: Australia

Posted: 8th Feb 2003 05:16

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Try this function with Single or Multimatrix frommMagic World

```GET WORLD HEIGHT function
```This will find the current matrix y# ground height position
```based on the Number of matrix used in variable mat#
```and the Matrix x,z tile size in variables matx# and matz#
```these can be set from an array if required.

function WORLDHEIGHT(x#,y#,z#,firstmatrix,mat,matx#,matz#)

for a=firstmatrix to (firstmatrix+mat)-1
xx#=matrix position x(a)
zz#=matrix position z(a)
if x# > xx# and x# < xx#+matx#
if z# > zz# and z# < zz#+matz#
yy#=get ground height(a,x#-xx#,z#-zz#)
grnd#=yy#
endif
endif
next a
endfunction grnd#

=======================================================================

An example of how to call it is

Rem: Store old object position
oldx#=object position x(1)
oldz#=object position z(1)
oldy#=WORLDHEIGHT(oldx#,object position y(1)+1,oldz#,1,mat,matx#,matz#)
position object 1,oldx#,oldy#+1,oldz#

Watch the bouncing cursor - now in 3d

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Necrym

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Joined: 4th Sep 2002

Location: Australia

Posted: 8th Feb 2003 05:19

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Damn code thingy ill try again

`	This source code was distributed via DBDN
`	The Dark Basic Developer Network (http://dbdn.darkbasic.com)
`	It is copyright Stephen Borsey and is used on DBDN with full permission

```GET WORLD HEIGHT function
```This will find the current matrix y# ground height position
```based on the Number of matrix used in variable mat#
```and the Matrix x,z tile size in variables matx# and matz#
```these can be set from an array if required.

function WORLDHEIGHT(x#,y#,z#,firstmatrix,mat,matx#,matz#)

for a=firstmatrix to (firstmatrix+mat)-1
      xx#=matrix position x(a)
      zz#=matrix position z(a)
      if x# > xx# and x# < xx#+matx#
         if z# > zz# and z# < zz#+matz#
            yy#=get ground height(a,x#-xx#,z#-zz#)
            grnd#=yy#
         endif
      endif
   next a
endfunction grnd#

=======================================================================

An example of how to call it is

Rem: Store old object position
oldx#=object position x(1)
oldz#=object position z(1)
oldy#=WORLDHEIGHT(oldx#,object position y(1)+1,oldz#,1,mat,matx#,matz#)
position object 1,oldx#,oldy#+1,oldz#

+ Code Snippet

`	This source code was distributed via DBDN
`	The Dark Basic Developer Network (http://dbdn.darkbasic.com)
`	It is copyright Stephen Borsey and is used on DBDN with full permission

```GET WORLD HEIGHT function
```This will find the current matrix y# ground height position
```based on the Number of matrix used in variable mat#
```and the Matrix x,z tile size in variables matx# and matz#
```these can be set from an array if required.


function WORLDHEIGHT(x#,y#,z#,firstmatrix,mat,matx#,matz#)

   for a=firstmatrix to (firstmatrix+mat)-1
      xx#=matrix position x(a)
      zz#=matrix position z(a)
      if x# > xx# and x# < xx#+matx#
         if z# > zz# and z# < zz#+matz#
            yy#=get ground height(a,x#-xx#,z#-zz#)
            grnd#=yy#
         endif
      endif
   next a
endfunction grnd#

=======================================================================

An example of how to call it is

Rem: Store old object position
oldx#=object position x(1)
oldz#=object position z(1)
oldy#=WORLDHEIGHT(oldx#,object position y(1)+1,oldz#,1,mat,matx#,matz#)
position object 1,oldx#,oldy#+1,oldz#

Watch the bouncing cursor - now in 3d

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Clacker

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Joined: 8th Nov 2002

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Posted: 8th Feb 2003 12:14

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I had the same problem and i fixed it with 1 simple command

Position Matrix 0,0,0

thats it.

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Clacker

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Posted: 8th Feb 2003 12:16

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^
|
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Of couse you need to use the Get Ground Height command aswell

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DarkBASIC Discussion / First Person shooter camera problem