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Optimized Geometry:setVertex

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This commit is contained in:
Alex Szpakowski
2013-04-23 01:02:13 -07:00
parent 8de3a7c708
commit 97d61dda96
1 changed files with 13 additions and 6 deletions
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src/modules/graphics/Geometry.cpp
+13 -6
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@@ -122,13 +122,20 @@ void Geometry::setVertex(size_t i, const vertex &v)
if (i >= polygon.size()) if (i >= polygon.size())
throw Exception("Invalid vertex index"); throw Exception("Invalid vertex index");
polygon[i] = v; float oldx = polygon[i].x;
x_min = v.x < x_min ? v.x : x_min; float oldy = polygon[i].y;
x_max = v.x > x_max ? v.x : x_max;
y_min = v.y < y_min ? v.y : y_min;
y_max = v.y > y_max ? v.y : y_max;
triangulate(); polygon[i] = v;
if (oldx != v.x || oldy != v.y)
{
x_min = v.x < x_min ? v.x : x_min;
x_max = v.x > x_max ? v.x : x_max;
y_min = v.y < y_min ? v.y : y_min;
y_max = v.y > y_max ? v.y : y_max;
triangulate();
}
} }
void Geometry::flip(bool x, bool y) void Geometry::flip(bool x, bool y)