67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "Input/InputManager.hpp"
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#include "SceneIntersectionTestController.hpp"
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#include "Scene/Scene.hpp"
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namespace OpenVulkano::Scene
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{
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void SceneIntersectionTestController::Tick()
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{
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Input::InputManager* input = Input::InputManager::GetInstance();
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if (input->GetButtonDown(m_actionClick))
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{
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const float x = input->GetAxis(m_actionClickX);
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const float y = input->GetAxis(m_actionClickY);
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const Ray ray = m_camera->CastRay(Math::Vector2i(x, y));
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const auto& camPos = m_camera->GetPosition();
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const auto scene = m_camera->GetScene();
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std::optional<DrawableRayHit> res;
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for (Drawable* d : scene->rayHittableDrawables)
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{
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for (Node* n : d->GetNodes())
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{
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const auto& m = n->GetWorldMatrix();
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const Math::Vector3f rayLocalDir = normalize(inverse(m) * Math::Vector4f(ray.GetDir(), 0));
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const Math::Vector4f rayLocalPos = inverse(m) * camPos;
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const Ray ray(rayLocalPos, rayLocalDir);
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if (auto hit = d->Intersect(ray))
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{
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// choose the closest one
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if (!res || (hit->distance2 < res->distance2))
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{
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res = hit;
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res->drawable = d;
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res->node = n;
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}
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}
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}
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}
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if (res)
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{
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OnHit.NotifyAll(*res);
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}
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}
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}
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void SceneIntersectionTestController::SetDefaultKeybindings()
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{
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auto input = Input::InputManager::GetInstance();
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m_actionClick = input->GetAction("ClickIntersection");
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m_actionClick->BindKey(Input::InputKey::Mouse::BUTTON_1);
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m_actionClick->BindKey(Input::InputKey::Touch::BUTTON_TAP);
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m_actionClickX = input->GetAction("ClickIntersectionPosX");
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m_actionClickX->BindKey(Input::InputKey::Touch::Axis::AXIS_TAP_X_ABS);
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m_actionClickX->BindKey(Input::InputKey::Mouse::Axis::AXIS_X_ABS);
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m_actionClickY = input->GetAction("ClickIntersectionPosY");
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m_actionClickY->BindKey(Input::InputKey::Touch::Axis::AXIS_TAP_Y_ABS);
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m_actionClickY->BindKey(Input::InputKey::Mouse::Axis::AXIS_Y_ABS);
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}
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}
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