2015-01-11 16:42:31 +00:00
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/*
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* Author: CAA-Picard
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*
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* Return true if the position is inside the map marker (to allow dragging).
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*
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* Argument:
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* 0: x Position (in meters)
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* 1: y Position (in meters)
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*
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* Return value:
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* Boolean
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*/
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#define TEXTURE_WIDTH_IN_M 6205
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#define DIST_BOTTOM_TO_CENTER_PERC -0.33
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#define DIST_TOP_TO_CENTER_PERC 0.65
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#define DIST_LEFT_TO_CENTER_PERC 0.30
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2015-01-15 09:51:18 +00:00
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if (GVAR(mapToolsShown) == 0) exitWith {false};
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_textureWidth = [TEXTURE_WIDTH_IN_M, TEXTURE_WIDTH_IN_M / 2] select (GVAR(mapToolsShown) - 1);
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2015-01-11 16:42:31 +00:00
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_pos = [_this select 0, _this select 1, 0];
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_relPos = _pos vectorDiff [AGM_Map_pos select 0, AGM_Map_pos select 1, 0];
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_dirVector = [sin(AGM_Map_angle), cos(AGM_Map_angle), 0];
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// Projection of the relative position over the longitudinal axis of the map tool
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_lambdaLong = _dirVector vectorDotProduct _relPos;
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if (_lambdaLong < DIST_BOTTOM_TO_CENTER_PERC * _textureWidth) exitWith {false};
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// Projection of the relative position over the trasversal axis of the map tool
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_lambdaTrasAbs = vectorMagnitude (_relPos vectorDiff (_dirVector vectorMultiply _lambdaLong));
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if (_lambdaLong > DIST_TOP_TO_CENTER_PERC * _textureWidth) exitWith {false};
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if (_lambdaTrasAbs > DIST_LEFT_TO_CENTER_PERC * _textureWidth) exitWith {false};
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true
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