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add removeControlPoint; improve exception handling

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This commit is contained in:
muddmaker
2014-12-22 17:57:44 -08:00
parent 637908ab43
commit 2c5f7dc896
4 changed files with 39 additions and 13 deletions
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src/modules/math/BezierCurve.cpp
+18 -7
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@@ -104,22 +104,22 @@ BezierCurve BezierCurve::getDerivative() const
const Vector &BezierCurve::getControlPoint(int i) const
{
if (i < 0)
while (i < 0)
i += controlPoints.size();
if (i < 0 || (size_t) i >= controlPoints.size())
throw Exception("Invalid control point index");
while ((size_t) i >= controlPoints.size())
i -= controlPoints.size();
return controlPoints[i];
}
void BezierCurve::setControlPoint(int i, const Vector &point)
{
if (i < 0)
while (i < 0)
i += controlPoints.size();
if (i < 0 || (size_t) i >= controlPoints.size())
throw Exception("Invalid control point index");
while ((size_t) i >= controlPoints.size())
i -= controlPoints.size();
controlPoints[i] = point;
}
@@ -129,12 +129,23 @@ void BezierCurve::insertControlPoint(const Vector &point, int pos)
if (pos < 0)
pos += controlPoints.size() + 1;
if (pos < 0 ||(size_t) pos > controlPoints.size())
if (pos < 0 || (size_t) pos > controlPoints.size())
throw Exception("Invalid control point index");
controlPoints.insert(controlPoints.begin() + pos, point);
}
void BezierCurve::removeControlPoint(int i)
{
while (i < 0)
i += controlPoints.size();
while ((size_t) i >= controlPoints.size())
i -= controlPoints.size();
controlPoints.erase(controlPoints.begin() + i);
}
void BezierCurve::translate(const Vector &t)
{
for (size_t i = 0; i < controlPoints.size(); ++i)