screenToWorld: Difference between revisions
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|descr= Returns the position on landscape ([[Position#PositionAGL|PositionAGL]]) corresponding to the given point on screen (in UI coordinates). | |descr= Returns the position on landscape ([[Position#PositionAGL|PositionAGL]]) corresponding to the given point on screen (in UI coordinates). | ||
{{Feature | informative | This command performs an intersection with the ground/water surface, from the camera position along the [[ | {{Feature|informative| | ||
This command performs an intersection with the ground/water surface, from the camera position along the [[screenToWorldDirection]] vector up to {{hl|viewDistance}} for terrain intersection and {{hl|2 * viewDistance}} for water intersection. In other words, it is similar to doing: | |||
<sqf> | <sqf> | ||
private _p1 = | private _p1 = AGLToASL positionCameraToWorld [0, 0, 0]; // camera position ASL | ||
private _vector = | private _vector = screenToWorldDirection _screenPos; // "aim" vector | ||
private _p2 = _p1 vectorAdd (_vector vectorMultiply viewDistance * 2); // the ray | private _p2 = _p1 vectorAdd (_vector vectorMultiply viewDistance * 2); // the ray does not go beyond 2 * view distance | ||
ASLToAGL terrainIntersectAtASL [_p1, _p2] | |||
</sqf> | </sqf> | ||
}} | }} | ||
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|s1= [[screenToWorld]] screen | |s1= [[screenToWorld]] screen | ||
|p1= screen: [[Array]] - screen position [x,y] (see [[SafeZone]] for more info) | |p1= screen: [[Array]] - screen position in format [x,y] (see [[SafeZone]] for more info) | ||
|r1= [[Array]] | |r1= [[Array]] format [[Position#PositionAGL|PositionAGL]], world position on surface [x,y,0] | ||
|s2= camera [[screenToWorld]] position | |s2= camera [[screenToWorld]] position | ||
|s2since= arma3 2.18 | |||
|p21= camera: [[Object]] - camera object | |p21= camera: [[Object]] - camera object | ||
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|p22= position: [[Array]] - screen position [x,y] (see [[SafeZone]] for more info) | |p22= position: [[Array]] - screen position [x,y] (see [[SafeZone]] for more info) | ||
|r2= [[Array]] | |r2= [[Array]] format [[Position#PositionAGL|PositionAGL]], world position on surface [x,y,0] | ||
|x1= <sqf>private _wPos = screenToWorld [0.5, 0.5];</sqf> | |||
| | |x2= <sqf>private _wPos = _myCamera screenToWorld [0.5, 0.5]; // since {{arma3}} 2.18</sqf> | ||
|seealso= [[SafeZone]] [[worldToScreen]] [[ | |seealso= [[SafeZone]] [[worldToScreen]] [[screenToWorldDirection]] | ||
}} | }} |
Latest revision as of 20:54, 6 August 2024
Description
- Description:
- Returns the position on landscape (PositionAGL) corresponding to the given point on screen (in UI coordinates).
- Groups:
- Positions
Syntax
- Syntax:
- screenToWorld screen
- Parameters:
- screen: Array - screen position in format [x,y] (see SafeZone for more info)
- Return Value:
- Array format PositionAGL, world position on surface [x,y,0]
Alternative Syntax
- Syntax:
- camera screenToWorld position
- Parameters:
- camera: Object - camera object
- position: Array - screen position [x,y] (see SafeZone for more info)
- Return Value:
- Array format PositionAGL, world position on surface [x,y,0]
Examples
- Example 1:
- Example 2:
Additional Information
- See also:
- SafeZone worldToScreen screenToWorldDirection
Notes
-
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