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aap
2015-12-19 17:05:39 +01:00
parent 3aca9c9c7d
commit b7ec874b25
3 changed files with 53 additions and 3 deletions
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40
src/geometry.cpp
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@@ -2,6 +2,7 @@
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <cmath>
#include <new>
@@ -270,6 +271,45 @@ Geometry::addMorphTargets(int32 n)
this->numMorphTargets += n;
}
void
Geometry::calculateBoundingSphere(void)
{
for(int32 i = 0; i < this->numMorphTargets; i++){
MorphTarget *m = &this->morphTargets[i];
float32 min[3] = { 1000000.0f, 1000000.0f, 1000000.0f };
float32 max[3] = { -1000000.0f, -1000000.0f, -1000000.0f };
float32 *v = m->vertices;
for(int32 j = 0; j < this->numVertices; j++){
if(v[0] > max[0]) max[0] = v[0];
if(v[0] < min[0]) min[0] = v[0];
if(v[1] > max[1]) max[1] = v[1];
if(v[1] < min[1]) min[1] = v[1];
if(v[2] > max[2]) max[2] = v[2];
if(v[2] < min[2]) min[2] = v[2];
v += 3;
}
m->boundingSphere[0] = (min[0] + max[0])/2.0f;
m->boundingSphere[1] = (min[1] + max[1])/2.0f;
m->boundingSphere[2] = (min[2] + max[2])/2.0f;
max[0] -= m->boundingSphere[0];
max[1] -= m->boundingSphere[1];
max[2] -= m->boundingSphere[2];
m->boundingSphere[3] = sqrt(max[0]*max[0] + max[1]*max[1] + max[2]*max[2]);
}
}
bool32
Geometry::hasColoredMaterial(void)
{
for(int32 i = 0; i < this->numMaterials; i++)
if(this->materialList[i]->color[0] != 255 ||
this->materialList[i]->color[1] != 255 ||
this->materialList[i]->color[2] != 255 ||
this->materialList[i]->color[3] != 255)
return 1;
return 0;
}
void
Geometry::allocateData(void)
{