positionCameraToWorld: Difference between revisions
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|[[File:PositionCameraToWorld.jpg|right|120x120px]]Transforms position from camera coordinate space to world coordinate space. | |[[File:PositionCameraToWorld.jpg|right|120x120px]]Transforms position from camera coordinate space to world coordinate space. | ||
Camera axes are relative to camera orientation. x axis goes from left of the camera to right of the camera, z axis goes from underneath the camera to above the camera and y axis goes from back of the camera to where the camera is looking. |= | Camera axes are relative to camera orientation. x axis goes from left of the camera to right of the camera, z axis goes from underneath the camera to above the camera and y axis goes from back of the camera to where the camera is looking. |DESCRIPTION= | ||
____________________________________________________________________________________________ | ____________________________________________________________________________________________ | ||
| '''positionCameraToWorld''' cameraPos |= | | '''positionCameraToWorld''' cameraPos |SYNTAX= | ||
|p1= cameraPos: [[PositionRelative]] - Relative camera position, format [x, z, y]<br><br> | |p1= cameraPos: [[PositionRelative]] - Relative camera position, format [x, z, y]<br><br> | ||
{{Important | Note that y and z for this command are swapped around, which is different from your usual model space coordinates format}} |= | {{Important | Note that y and z for this command are swapped around, which is different from your usual model space coordinates format}} |PARAMETER1= | ||
| [[Array]] - Camera world position, format [[PositionAGL]] |= | | [[Array]] - Camera world position, format [[PositionAGL]] |RETURNVALUE= | ||
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|x1= <code>_worldPos = [[positionCameraToWorld]] _cameraPos;</code> |= | |x1= <code>_worldPos = [[positionCameraToWorld]] _cameraPos;</code> |EXAMPLE1= | ||
|x2= Example demonstrating reversed y and z:<code>[[player]] [[setDir]] 0; //assuming player is looking forward | |x2= Example demonstrating reversed y and z:<code>[[player]] [[setDir]] 0; //assuming player is looking forward | ||
[[hint]] [[str]] <nowiki>[</nowiki>[[positionCameraToWorld]] [0,0,0], [[positionCameraToWorld]] [0,0,1]]; | [[hint]] [[str]] <nowiki>[</nowiki>[[positionCameraToWorld]] [0,0,0], [[positionCameraToWorld]] [0,0,1]]; | ||
//[[2481.35,567'''1'''.21,1.51395],[2481.35,567'''2'''.21,1.46955]] | //[[2481.35,567'''1'''.21,1.51395],[2481.35,567'''2'''.21,1.46955]] | ||
</code> |= | </code> |EXAMPLE2= | ||
____________________________________________________________________________________________ | ____________________________________________________________________________________________ | ||
| [[modelToWorld]], [[modelToWorldVisual]], [[getCameraViewDirection]], [[weaponDirection]], [[eyeDirection]], [[vectorDir]], [[vectorDirVisual]] |= | | [[modelToWorld]], [[modelToWorldVisual]], [[getCameraViewDirection]], [[weaponDirection]], [[eyeDirection]], [[vectorDir]], [[vectorDirVisual]] |SEEALSO= | ||
}} | }} | ||
Revision as of 15:44, 7 April 2019
Description
- Description:
- Transforms position from camera coordinate space to world coordinate space. Camera axes are relative to camera orientation. x axis goes from left of the camera to right of the camera, z axis goes from underneath the camera to above the camera and y axis goes from back of the camera to where the camera is looking.
- Groups:
- Uncategorised
Syntax
- Syntax:
- positionCameraToWorld cameraPos
- Parameters:
- cameraPos: PositionRelative - Relative camera position, format [x, z, y]
- Return Value:
- Array - Camera world position, format PositionAGL
Examples
- Example 1:
_worldPos = positionCameraToWorld _cameraPos;- Example 2:
- Example demonstrating reversed y and z:
player setDir 0; //assuming player is looking forward hint str [positionCameraToWorld [0,0,0], positionCameraToWorld [0,0,1]]; //[[2481.35,5671.21,1.51395],[2481.35,5672.21,1.46955]]
Additional Information
- See also:
- modelToWorldmodelToWorldVisualgetCameraViewDirectionweaponDirectioneyeDirectionvectorDirvectorDirVisual
Notes
-
Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note
Notes
- Posted on October 17, 2008 - 11:25
- Kronzky
-
By measuring the distance between the camera and the player one can determine whether 1st-person or 3rd-person view is being used:
if ((positionCameraToWorld [0,0,0] distance player)>2) then {hint "3rd person"} else {hint "1st person"}; - Posted on 22:45, 17 October 2010 (CEST)
- Worldeater
-
The camera coordinate system is different from the model coordinate system: when modelToWorld uses [x, y, z] then positionCameraToWorld uses [x, z, y]. So for a steady camera the following is true:
positionCameraToWorld [5,10,15] == _camera modelToWorld [5,15,10];
Bottom Section
- Posted on July 20, 2014 - 20:07 (UTC)
- AgentRev
- When over land, the position returned is in format PositionATL, and over sea, PositionASLW.