bool GameMain::Raycast(float maxDistance, Vector3& hitPos, Vector3& hitNormal, Drawable*& hitDrawable)
{
hitDrawable = 0;
Graphics* graphics = GetSubsystem<Graphics>();
//Ray cameraRay = camera->GetScreenRay((float)graphics->GetWidth() * 0.5f, (float) graphics->GetHeight() * 0.5f);
Ray ray = world.camera.camera_->GetScreenRay((float) 0.5f, (float) 0.5f);
//Ray gunRay = Ray(gunNode_->GetWorldPosition(), gunNode_->GetWorldDirection());
// Pick only geometry objects, not eg. zones or lights, only get the first (closest) hit
PODVector<RayQueryResult> results;
//RayOctreeQuery query(results, cameraRay, RAY_TRIANGLE, maxDistance, DRAWABLE_GEOMETRY);
RayOctreeQuery query(results, ray, RAY_TRIANGLE, maxDistance, DRAWABLE_GEOMETRY, 191);
Octree* octree = scene_->GetComponent<Octree>();
//octree->RaycastSingle(query);
octree->Raycast(query);
if (results.Size())
{
for (unsigned int i = 0; i < results.Size(); i++)
{
RayQueryResult& result = results[i];
Variant fx = result.node_->GetVar("fx");
if (fx.GetInt() == 1) continue;
hitPos = result.position_;
hitNormal = result.normal_;
hitDrawable = result.drawable_;
return true;
}
}
return false;
}
static int Octree_Raycast(duk_context* ctx)
{
bool single = duk_get_current_magic(ctx) == DUK_MAGIC_RAYCAST_SINGLE;
duk_idx_t nargs = duk_get_top(ctx);
// require at least the ray
if (nargs < 1)
{
duk_push_undefined(ctx);
return 1;
}
Ray ray;
if (!duk_get_ray(ctx, 0, ray))
{
duk_push_undefined(ctx);
return 1;
}
RayQueryLevel level = RAY_TRIANGLE;
if (nargs > 1)
{
unsigned _level = (unsigned) duk_to_number(ctx, 1);
if (_level > (unsigned) RAY_TRIANGLE_UV)
{
duk_push_undefined(ctx);
return 1;
}
level = (RayQueryLevel) _level;
}
float maxDistance = M_INFINITY;
if (nargs > 2)
{
maxDistance = (float) duk_to_number(ctx, 2);
}
unsigned char drawableFlags = DRAWABLE_ANY;
if (nargs > 3)
{
drawableFlags = (unsigned char) duk_to_number(ctx, 3);
}
unsigned viewMask = DEFAULT_VIEWMASK;
if (nargs > 4)
{
viewMask = (unsigned) duk_to_number(ctx, 4);
}
duk_push_this(ctx);
Octree* octree = js_to_class_instance<Octree>(ctx, -1, 0);
PODVector<RayQueryResult> result;
RayOctreeQuery query(result, ray, level, maxDistance, drawableFlags, viewMask);
single ? octree->RaycastSingle(query) : octree->Raycast(query);
// handle case of nothing hit
if (!result.Size())
{
if (single)
duk_push_null(ctx);
else
duk_push_array(ctx);
return 1;
}
else
{
if (single)
{
duk_push_rayqueryresult(ctx, result[0]);
}
else
{
duk_push_array(ctx);
for (unsigned i = 0; i < result.Size(); i++)
{
duk_push_rayqueryresult(ctx, result[i]);
duk_put_prop_index(ctx, -2, i);
}
}
}
return 1;
}
