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Fixbug loadObj.js #40

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Fixbug loadObj.js #40

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6 changes: 3 additions & 3 deletions lib/loadObj.js
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Original file line number Diff line number Diff line change
Expand Up @@ -330,19 +330,19 @@ function loadObj(objPath, options) {

// Given the cartesian 2 vertices of a polygon, determine if convex
function isConvex(positions2D) {
var length = position2D.length;
var length = positions2D.length;
var turnDirection = getTurnDirection(positions2D[0], positions2D[1], positions2D[2]);
for (var i=1; i < length-2; ++i) {
var currentTurnDirection = getTurnDirection(positions2D[i], positions2D[i+1], positions2D[i+2]);
if (turnDirection * currentTurnDirection < 0) {
return false;
}
}
var currentTurnDirection = getTurnDirection(position2D[length-2], position2D[length-1], position2D[0]);
var currentTurnDirection = getTurnDirection(positions2D[length-2], positions2D[length-1], positions2D[0]);
if (turnDirection * currentTurnDirection < 0) {
return false;
}
currentTurnDirection = getTurnDirection(position2D[length-1], position2D[0], position2D[1]);
currentTurnDirection = getTurnDirection(positions2D[length-1], positions2D[0], positions2D[1]);
if (turnDirection * currentTurnDirection < 0) {
return false;
}
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