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report long and short normals

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This commit is contained in:
David Rose 2009-01-08 02:59:40 +00:00
parent edb684b709
commit db667ad5ca
1 changed files with 14 additions and 0 deletions
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14
panda/src/pgraph/sceneGraphAnalyzer.cxx
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@ -30,6 +30,7 @@
#include "transformState.h"
#include "textureAttrib.h"
#include "pta_ushort.h"
#include "geomVertexReader.h"
////////////////////////////////////////////////////////////////////
// Function: SceneGraphAnalyzer::Constructor
@ -390,6 +391,19 @@ collect_statistics(const Geom *geom) {
}
if (vdata->has_column(InternalName::get_normal())) {
_num_normals += num_rows;
GeomVertexReader rnormal(vdata, InternalName::get_normal());
while (!rnormal.is_at_end()) {
LVector3f normal = rnormal.get_data3f();
float length = normal.length();
if (IS_NEARLY_EQUAL(length, 1.0f)) {
// Correct length normal.
} else if (length > 1.0f) {
++_num_long_normals;
} else { // length < 1.0f
++_num_short_normals;
}
_total_normal_length += length;
}
}
if (vdata->has_column(InternalName::get_color())) {
_num_colors += num_rows;