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IRRFRAMEWORK_API bool Mesh_RayHitNodeTriangles (IAnimatedMeshSceneNode* Node,IAnimatedMesh* mesh,core::line3df Ray,core::vector3df &intersection)
{
int nMeshBuffer = 0;
int v_index[3] = {0,0,0};
core::triangle3df triangle;
IMeshBuffer *mesh_buffer = NULL;
if (Node->getTransformedBoundingBox().intersectsWithLine(Ray))
{
int frame=(int)Node->getFrameNr();
IMesh* irr_mesh=mesh->getMesh(frame);
for( nMeshBuffer=0 ; nMeshBuffer < irr_mesh->getMeshBufferCount() ; nMeshBuffer++ )
{
mesh_buffer = irr_mesh->getMeshBuffer(nMeshBuffer);
S3DVertex *vertices = (S3DVertex*)mesh_buffer->getVertices();
u16 *indices = mesh_buffer->getIndices();
for(int i=0; i<mesh_buffer->getIndexCount()/3; i++)
{
v_index[0] = indices[i*3 ];
v_index[1] = indices[i*3+1];
v_index[2] = indices[i*3+2];
triangle.pointA=vertices[ v_index[0] ].Pos;
triangle.pointB=vertices[ v_index[1] ].Pos;
triangle.pointC=vertices[ v_index[2] ].Pos;
Node->getAbsoluteTransformation().transformVect(triangle.pointA);
Node->getAbsoluteTransformation().transformVect(triangle.pointB);
Node->getAbsoluteTransformation().transformVect(triangle.pointC);
if (triangle.getIntersectionWithLine(Ray.start,Ray.end,intersection))
{
driver->setTransform(video::ETS_WORLD, core::matrix4());
material.Lighting=false;
material.setTexture(0,0);
driver->setMaterial(material);
driver->draw3DTriangle(triangle, video::SColor(255,255,0,0));
return true;
}
}
}
}
return false;
}
