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53 lines
1.7 KiB
Plaintext
53 lines
1.7 KiB
Plaintext
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// (c) zGuba 2011
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// Function helper for framing objects on screen.
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// Input: [_object,_margins3D,_offset3D] (object, 3 * float array, 3 * float array)
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// Output: [_minX,_minY,_minY,_maxY] (4 * float)
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#include "script_component.hpp"
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private ["_minX","_minY","_maxX","_maxY"];
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PARAMS_3(_object,_margins,_offsets);
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_minX = 10;
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_minY = 10;
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_maxX = -10;
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_maxY = -10;
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if (true) then {
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_bounds = boundingBox _object;
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_boundsMin = _bounds select 0;
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_boundsMinX = (_boundsMin select 0) - (_margins select 0) + (_offsets select 0);
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_boundsMinY = (_boundsMin select 1) - (_margins select 1) + (_offsets select 1);
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_boundsMinZ = (_boundsMin select 2) - (_margins select 2) + (_offsets select 2);
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_boundsMax = _bounds select 1;
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_boundsMaxX = (_boundsMax select 0) + (_margins select 0) + (_offsets select 0);
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_boundsMaxY = (_boundsMax select 1) + (_margins select 1) + (_offsets select 1);
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_boundsMaxZ = (_boundsMax select 2) + (_margins select 2) + (_offsets select 2);
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_boundsCorners = [
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[_boundsMinX,_boundsMinY,_boundsMinZ],
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[_boundsMinX,_boundsMinY,_boundsMaxZ],
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[_boundsMinX,_boundsMaxY,_boundsMinZ],
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[_boundsMinX,_boundsMaxY,_boundsMaxZ],
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[_boundsMaxX,_boundsMinY,_boundsMinZ],
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[_boundsMaxX,_boundsMinY,_boundsMaxZ],
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[_boundsMaxX,_boundsMaxY,_boundsMinZ],
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[_boundsMaxX,_boundsMaxY,_boundsMaxZ]
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];
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{
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_ppos = worldToScreen (_object modelToWorld _x);
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_pposX = _ppos select 0;
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_pposY = _ppos select 1;
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if (_pposX < _minX) then {_minX = _pposX};
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if (_pposX > _maxX) then {_maxX = _pposX};
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if (_pposY < _minY) then {_minY = _pposY};
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if (_pposY > _maxY) then {_maxY = _pposY};
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} forEach _boundsCorners;
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};
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[_minX,_minY,_maxX,_maxY]
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