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Merge pull request #5466 from sethalves/vhacd-improvements

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vhacd tool -- make the height of the tetrahedrons in 'fatten' mode less tall.
This commit is contained in:
Philip Rosedale 2015-08-03 11:18:37 -07:00
commit 761f638ce3
1 changed files with 5 additions and 1 deletions
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6
tools/vhacd-util/src/VHACDUtil.cpp
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@ -12,6 +12,8 @@
#include <QVector>
#include "VHACDUtil.h"
const float COLLISION_TETRAHEDRON_SCALE = 0.25f;
// FBXReader jumbles the order of the meshes by reading them back out of a hashtable. This will put
// them back in the order in which they appeared in the file.
@ -127,12 +129,14 @@ void vhacd::VHACDUtil::fattenMeshes(const FBXMesh& mesh, FBXMesh& result,
continue;
}
// from the middle of the triangle, pull a point down to form a tetrahedron.
float dropAmount = 0;
dropAmount = glm::max(glm::length(p1 - p0), dropAmount);
dropAmount = glm::max(glm::length(p2 - p1), dropAmount);
dropAmount = glm::max(glm::length(p0 - p2), dropAmount);
dropAmount *= COLLISION_TETRAHEDRON_SCALE;
glm::vec3 p3 = av - glm::vec3(0, dropAmount, 0); // a point 1 meter below the average of this triangle's points
glm::vec3 p3 = av - glm::vec3(0.0f, dropAmount, 0.0f);
int index3 = result.vertices.size();
result.vertices << p3; // add the new point to the result mesh