13 lines
505 B
JavaScript
13 lines
505 B
JavaScript
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function insidePoly(poly, pointx, pointy, vre_id) {
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//console.log("Za poly: "+vre_id+" je x: "+pointx+" y: "+pointy);
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var i, j;
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var inside = false;
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for (i = 0, j = poly.length - 1; i < poly.length; j = i++) {
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//console.log(poly[i].x+" "+poly[i].y);
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if(((poly[i].y > pointy) != (poly[j].y > pointy)) && (pointx < (poly[j].x-poly[i].x) * (pointy-poly[i].y) / (poly[j].y-poly[i].y) + poly[i].x) ) inside = !inside;
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}
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//console.log("inside je: "+inside);
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return inside;
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}
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