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's similar to doing: | ||
<sqf> | <sqf> | ||
private _p1 = AGLtoASL positionCameraToWorld [0,0,0]; // camera position ASL | 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 doesn't go beyond 2 * view distance | private _p2 = _p1 vectorAdd (_vector vectorMultiply viewDistance * 2); // the ray doesn't go beyond 2 * view distance | ||
ASLtoAGL terrainIntersectAtASL [_p1, _p2] | ASLtoAGL terrainIntersectAtASL [_p1, _p2] | ||
| Line 41: | Line 41: | ||
|x1= <sqf>_wPos = screenToWorld [0.5, 0.5];</sqf> | |x1= <sqf>_wPos = screenToWorld [0.5, 0.5];</sqf> | ||
|seealso= [[SafeZone]] [[worldToScreen]] [[ | |seealso= [[SafeZone]] [[worldToScreen]] [[screenToWorldDirection]] | ||
}} | }} | ||
Revision as of 11:38, 6 June 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 [x,y] (see SafeZone for more info)
- Return Value:
- Array - 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 - PositionAGL, world position on surface [x,y,0]
Examples
- Example 1:
Additional Information
- See also:
- SafeZone worldToScreen screenToWorldDirection
Notes
-
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