ilikecats/stk-code_catmod
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Added support for quads that are incorrectly oriented (clockwise instead

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of counterclockwise): quads are now turned, but a warning message is printed 
(since the track exporter should not export this kind of quads).


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/branches/irrlicht@4070 178a84e3-b1eb-0310-8ba1-8eac791a3b58
This commit is contained in:
hikerstk 2009-10-02 11:28:05 +00:00
parent 731add0e04
commit 5cd7fd2b45
1 changed files with 13 additions and 1 deletions
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14
src/tracks/quad.cpp
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@ -27,7 +27,19 @@
Quad::Quad(const Vec3 &p0, const Vec3 &p1, const Vec3 &p2, const Vec3 &p3,
bool invisible)
{
m_p[0]=p0; m_p[1]=p1; m_p[2]=p2; m_p[3]=p3;
if(sideOfLine2D(p0, p2, p1)>0 ||
sideOfLine2D(p0, p2, p3)<0)
{
printf("Warning: quad has wrong orientation: p0=%f %f %f p1=%f %f %f\n",
p0.getX(), p0.getY(), p0.getZ(),p1.getX(), p1.getY(), p1.getZ());
printf("The quad will be swapped, nevertheless test for correctness -\n");
printf("quads must be counter-clockwise oriented.\n");
m_p[0]=p1; m_p[1]=p0; m_p[2]=p3; m_p[3]=p2;
}
else
{
m_p[0]=p0; m_p[1]=p1; m_p[2]=p2; m_p[3]=p3;
}
m_center = 0.25f*(p0+p1+p2+p3);
m_min_height = std::min ( std::min(p0.getZ(), p1.getZ()),
std::min(p0.getZ(), p1.getZ()) );