void Object_Picking_Test::RunTest(float mX, float mY)
{
CameraPtr ptr = scene->GetActiveCamera();
Camera * cam = ptr.Get();
cam->CalcPickingRay(mX, mY);
using namespace DirectX;
for (unsigned int i = 0; i < pickable.size(); i++)
{
SceneObj obj = pickable[i];
StaticEntity * ent = obj.obj.Get();
XMFLOAT4X4 mat = ent->GetWorldMatrix();
XMMATRIX world = XMLoadFloat4x4((XMFLOAT4X4*)&mat);
world = XMMatrixTranspose(world);
XMVECTOR det = XMMatrixDeterminant(world);
XMMATRIX invWorld = XMMatrixInverse(&det, world);
Vector3 org = cam->GetPosition();
Vector3 dir = cam->GetPickingRayDirection();
XMVECTOR orgInv = XMVector3TransformCoord(XMLoadFloat3((XMFLOAT3*)&org), invWorld);
XMVECTOR dirInv = XMVector3TransformNormal(XMLoadFloat3((XMFLOAT3*)&dir), invWorld);
dirInv = XMVector3Normalize(dirInv);
XMStoreFloat3((XMFLOAT3*)&org, orgInv);
XMStoreFloat3((XMFLOAT3*)&dir, dirInv);
AABB bbox = ent->GetAABB();
/*XMVECTOR max = XMLoadFloat3((XMFLOAT3*)&bbox.max);
XMVECTOR min = XMLoadFloat3((XMFLOAT3*)&bbox.min);
max = XMVector3TransformCoord(max, world);
min = XMVector3TransformCoord(min, world);
XMStoreFloat3((XMFLOAT3*)&bbox.max, max);
XMStoreFloat3((XMFLOAT3*)&bbox.min, min);*/
if (bbox.RayIntersact(org, dir))
{
obj.bbox.Get()->SetVisible(!obj.bbox.Get()->IsVisible());
}
}
}
void Object_Picking_Test::Init(Scene * scene)
{
this->scene = scene;
currentBox = 0;
StaticEntityPtr dogPtr2 = scene->AddStaticEntity("assets/sphere.smodel", "dog");
StaticEntityPtr dogBBox = CreateBBox(dogPtr2);
SceneObj obj;
obj.obj = dogPtr2;
obj.bbox = dogBBox;
pickable.push_back(obj);
StaticEntity * dog = dogPtr2.Get();
dog->Illuminate(false);
dog->SetPosition(20.0f, 0.0, 0.0f);
dog->SetScale(100.0f, 100.0f, 100.0f);
dog->SetRotationY(40.0f);
dogBBox.Get()->SetScale(100.0f, 100.0f, 100.0f);
//dogBBox.Get()->CalculateTransform(false);
DirectX::XMFLOAT4X4 dogMat = dog->GetWorldMatrix();
dogBBox.Get()->CalculateTransform(false);
dogBBox.Get()->SetTransform(dogMat);
DirectX::XMFLOAT4X4 boxMat = dogBBox.Get()->GetWorldMatrix();
//dog->SetRotation(0.0f, -60.0f, 180.0f);
//dog->SetRotationY(45.0f);
Material * pMat = dog->GetMaterial(0);
pMat->SetDiffuseColor(Color(1.0, 0.0f, 0.0f, 1.0f));
}
