#include "../../Events.h"
-typedef Model::Triangle Triangle;
-typedef Model::Box Box;
-typedef Model::SplitMat SplitMat;
-
Model::Model() :
numfaces(0),
numvertices(0),
getBBoxModel()->drawModel(Graphix::shader_BBox, NULL, _modelMat*translate(center)*glm::scale(size)); //
}
-void Model::setBB(const Box& _box)
-{
- box = _box;
-}
-
-void Model::setBB(const vec3& _min, const vec3& _max)
-{
- box = Box((_min + _max) * .5f, (_max - _min) * .5f);
-}
-
-void Model::setBB(const uint _numvertices, const float* _vertices)
-{
- vec3 BBmin = vec3(_vertices[0], _vertices[1], _vertices[2]);
- vec3 BBmax = BBmin;
- for (uint i = 3; i < _numvertices * 3; ++i)
- {
- if (_vertices[i] < BBmin[i % 3])
- BBmin[i % 3] = _vertices[i];
- if (_vertices[i] > BBmax[i % 3])
- BBmax[i % 3] = _vertices[i];
- }
-
- box = Box((BBmin + BBmax) * .5f, (BBmax - BBmin) * .5f);
-}
-
-void Model::setBB(const uint _numvertices, const float* _vertices, const mat4& _modelMat)
-{
- vec3 BBmin = (vec3)(_modelMat * vec4(_vertices[0], _vertices[1], _vertices[2], 1.f));
- vec3 BBmax = BBmin;
- vec3 tmpVert;
- for (uint j = 3; j < _numvertices * 3; j += 3)
- {
- tmpVert = (vec3)(_modelMat * vec4(_vertices[j], _vertices[j + 1], _vertices[j + 2], 1));
- for (uint i = 0; i < 3; ++i)
- {
- if (tmpVert[i] < BBmin[i])
- BBmin[i] = tmpVert[i];
- if (tmpVert[i] > BBmax[i])
- BBmax[i] = tmpVert[i];
- }
- }
-
- box = Box((BBmin + BBmax) * .5f, (BBmax - BBmin) * .5f);
-}
-
-void Model::updateBB(const Box& _box)
-{
- box = Box::merge(box, _box);
-}
-
-//void Model::getBBmm(vec3& _min, vec3& _max) const
-//{
-// _min = BBmin;
-// _max = BBmax;
-//}
-
void Model::getBBcs(vec3& _center, vec3& _size) const
{
- _size = box.size();
- _center = box.center();
-}
+ btVector3 minB, maxB;
+ btTransform trans;
+ trans.setIdentity();
+ bt_collision_shape->getAabb(trans, minB, maxB);
-Box Model::getBBox() const
-{
- return box;
+ vec3 min = vec3(minB.getX(), minB.getY(), minB.getZ());
+ vec3 max = vec3(maxB.getX(), maxB.getY(), maxB.getZ());
+
+ _size = (max - min) * .5f;
+ _center = (max + min) * .5f;
}
void Model::genBuffer(uint &buffer, uint size, void* value)
Model* Model::SkyBoxModel = nullptr;
std::unordered_map<string, Model*> Model::IMetaModel;
std::unordered_map<string, uint> Model::IMetaModel_count;
-
-// CLASS SPLITMAT
-
-SplitMat::SplitMat(const mat4& _model) : scale(getScale(_model)), model(removeScale(_model)), modelInv(inverse(model)), modelOrig(_model)
-{
-}
-
-SplitMat::~SplitMat()
-{
-}
-
-// CLASS TRIANGLE
-
-Triangle::Triangle(const mat3& _vertex, const vec3& _normal) : vertex(_vertex), normal(normalize(_normal))
-{
-}
-
-Triangle::~Triangle()
-{
-}
-
-void Triangle::getBBcs(vec3& center, vec3& size) const
-{
- vec3 BBmin = vertex[0];
- vec3 BBmax = BBmin;
- getUBBmm(BBmin, BBmax);
-
- size = (BBmax - BBmin) / 2.f;
- center = (BBmin + BBmax) / 2.f;
-}
-
-void Triangle::getBBmm(vec3& min, vec3& max) const
-{
- min = vertex[0];
- max = min;
- getUBBmm(min, max);
-}
-
-void Triangle::getUBBmm(vec3& min, vec3& max) const
-{
- for (uint i = 0; i < 3; ++i)
- {
- for (uint j = 0; j < 3; ++j)
- {
- if (vertex[i][j] < min[j])
- min[j] = vertex[i][j];
- if (vertex[i][j] > max[j])
- max[j] = vertex[i][j];
- }
- }
-}
-
-vec3 Triangle::getMean() const
-{
- return (vertex[0] + vertex[1] + vertex[2]) / 3.f;
-}
-
-Triangle::operator Model::Box() const
-{
- vec3 min = vertex[0];
- vec3 max = min;
- for (uint i = 0; i < 3; ++i)
- {
- for (uint j = 0; j < 3; ++j)
- {
- if (vertex[i][j] < min[j])
- min[j] = vertex[i][j];
- if (vertex[i][j] > max[j])
- max[j] = vertex[i][j];
- }
- }
- return Box((max + min)*.5f, (max - min)*.5f);
-}
-
-
-//CLASS BOX
-
-Box::Box() : cen(0.f), siz(0.f)
-{}
-
-Box::Box(const vec3& _center, const vec3& _size) : cen(_center), siz(_size)
-{
-}
-
-Box::~Box()
-{
-}
-
-void Box::update(const Box& _box)
-{
- vec3 diff = _box.cen - cen;
- float size;
-
- for (int i = 0; i<3; ++i)
- {
- if (abs(siz[i] - _box.siz[i]) - abs(diff[i]) >= 0)
- {
- if (siz[i] < _box.siz[i])
- {
- siz[i] = _box.siz[i];
- cen[i] = _box.cen[i];
- }
- }
- else
- {
- size = (siz[i] + _box.siz[i] + abs(diff[i])) * .5f;
- cen[i] = cen[i] - sign(diff[i]) * (siz[i] - size);
- siz[i] = size;
- }
-
- }
-}
-
-
-void Box::getBBcs(vec3& _center, vec3& _size) const
-{
- _center = cen;
- _size = siz;
-}
-
-vec3 Box::center() const
-{
- return cen;
-}
-
-vec3 Box::size() const
-{
- return siz;
-}
-
-void Box::rotate(const mat4& _modelMat)
-{
- //Rotate Center
- cen = (vec3)(_modelMat*vec4(cen, 1.f));
-
- //Rotate Size
- vec3 newSize(0.f);
- mat3 tmpModelMat(_modelMat);
- for (auto i = 0; i < 3; ++i)
- newSize += abs(tmpModelMat[i]) * siz[i];
- siz = newSize;
-}
-
-void Box::scale(const vec3& _scale)
-{
- for (uint i = 0; i < 3; ++i)
- {
- cen[i] *= _scale[i];
- siz[i] *= _scale[i];
- }
-}
-
-float Box::getDist(const vec3& _pos) const
-{
- vec3 diff = _pos - cen;
- vec3 direc = normalize(diff);
-
- float size(0.f);
- for (auto i = 0; i < 3; ++i)
- size += abs(siz[i] * direc[i]);
- return diff.length()-size;
-}
-
-float Box::getDist(const vec3& _pos, const vec3& _direc) const
-{
- vec3 diff = _pos - cen;
-
- float size(0.f);
- for (auto i = 0; i < 3; ++i)
- size += abs(siz[i] * _direc[i]);
- return dot(diff,_direc) - size;
-}
-
-
-Box Box::merge(const Box& _boxA, const Box& _boxB)
-{
- vec3 diff = _boxB.cen - _boxA.cen;
- vec3 size;
- vec3 center;
-
- for (int i = 0; i<3; ++i)
- {
- if (abs(_boxA.siz[i] - _boxB.siz[i]) - abs(diff[i]) >= 0)
- {
- if (_boxA.siz[i] > _boxB.siz[i])
- {
- size[i] = _boxA.siz[i];
- center[i] = _boxA.cen[i];
- }
- else
- {
- size[i] = _boxB.siz[i];
- center[i] = _boxB.cen[i];
- }
- }
- else
- {
- size[i] = (_boxA.siz[i] + _boxB.siz[i] + abs(diff[i])) * .5f;
- center[i] = _boxA.cen[i] - sign(diff[i]) * (_boxA.siz[i] - size[i]);
- }
-
- }
- return Box(center,size);
-}
class Model
{
public:
- class Triangle;
- class Box;
- class SplitMat;
/* Binds Model to the Model*/
virtual void bindShader(Shader* shader);
/* Get size&position from BBox */
void getBBcs(vec3& center, vec3& size) const;
- /* Get center&size (BOX) */
- Box getBBox() const;
-
class Triangle;
static Model* getBBoxModel();
virtual operator btCollisionShape*() const;
- class SplitMat
- {
- public:
- SplitMat(const mat4& model);
- ~SplitMat();
-
- mat4& getModelMat();
-
- //protected:
- const vec3 scale;
- const mat4 model;
- const mat4 modelInv;
- const mat4 modelOrig;
- };
-
- class Triangle
- {
- public:
- Triangle(const mat3& vertex, const vec3& normal);
- Triangle(const Triangle& tri) = default;
- ~Triangle();
-
- /* sets center & size */
- void getBBcs(vec3& center, vec3& size) const;
- /* sets min & max */
- void getBBmm(vec3& min, vec3& max) const;
- /* updates min & max */
- void getUBBmm(vec3& min, vec3& max) const;
- /* get mean*/
- vec3 getMean() const;
-
- operator Box() const;
-
- const mat3 vertex;
- const vec3 normal;
-
- };
-
- class Box
- {
- public:
- Box();
- Box(const vec3& center, const vec3& size);
- ~Box();
-
- void update(const Box& box);
-
- void getBBcs(vec3& center, vec3& size) const;
-
- vec3 center() const;
- vec3 size() const;
-
- void rotate(const mat4& modelMat);
- void scale(const vec3& scale);
-
- float getDist(const vec3& pos) const;
- float getDist(const vec3& pos, const vec3& direc) const;
-
- static Box merge(const Box& boxA, const Box& boxB);
-
- protected:
- vec3 cen;
- vec3 siz;
- };
-
// Mesh Speichern?
static bool import(const std::string& modelpath, uint& numvertices, uint& numfaces, float*& vertex, float*& uvs, float*& normals, uint*& index, uint mindex = 0);
static bool import(const aiMesh* mesh, uint& numvertices, uint& numfaces, float*& vertex, float*& uvs, float*& normals, uint*& index, const vec3& scale = vec3(1.f));
std::unordered_map<uint, uint> shader_map;
- void setBB(const Box& box);
- void setBB(const vec3& min, const vec3& max);
- void setBB(const uint numvertices, const float* vertices);
- void setBB(const uint numvertices, const float* vertices, const mat4& modelMat);
-
- void updateBB(const Box& box);
-
void genBuffer(uint &buffer, uint size, void* value);
void bindBuffer(const uint &buffer, const uint index, const uint dim = 3);
btCollisionShape* bt_collision_shape;
private:
-// vec3 BBmin, BBmax;
-// vec3 BBsize, BBposition;
-
- Box box;
};
\ No newline at end of file
projects / cgue_weave.git / commitdiff