rework API

openVulkanoCpp/Scene/SceneIntersectionTestController.cpp

@@ -0,0 +1,68 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#include "Input/InputManager.hpp"
+#include "SceneIntersectionTestController.hpp"
+#include "Scene.hpp"
+#include "SimpleDrawable.hpp"
+#include "Prefabs/LabelDrawable.hpp"
+
+namespace OpenVulkano::Scene
+{
+	void SceneIntersectionTestController::Tick()
+	{
+		Input::InputManager* input = Input::InputManager::GetInstance();
+		if (input->GetButtonDown(m_actionClick))
+		{
+			const float x = input->GetAxis(m_actionClickX);
+			const float y = input->GetAxis(m_actionClickY);
+			const Ray ray = m_camera->CastRay(Math::Vector2i(x, y));
+			const auto& camPos = m_camera->GetPosition();
+			const auto scene = m_camera->GetScene();
+			std::optional<DrawableRayHit> res;
+			for (Drawable* d : scene->rayHittableDrawables)
+			{
+				for (Node* n : d->GetNodes())
+				{
+					const auto& m = n->GetWorldMatrix();
+					const Math::Vector3f rayLocalDir = normalize(inverse(m) * Math::Vector4f(ray.GetDir(), 0));
+					const Math::Vector4f rayLocalPos = inverse(m) * camPos;
+					const Ray ray(rayLocalPos, rayLocalDir);
+					if (auto hit = d->Intersect(ray))
+					{
+						// choose the closest one
+						if (!res || (hit->distance2 < res->distance2))
+						{
+							res = hit;
+							res->drawable = d;
+							res->node = n;
+						}
+					}
+				}
+			}
+
+			if (res)
+			{
+				OnHit.NotifyAll(*res);
+			}
+		}
+	}
+
+	void SceneIntersectionTestController::SetDefaultKeybindings()
+	{
+		auto input = Input::InputManager::GetInstance();
+		m_actionClick = input->GetAction("ClickIntersection");
+		m_actionClick->BindKey(Input::InputKey::Mouse::BUTTON_1);
+		m_actionClick->BindKey(Input::InputKey::Touch::BUTTON_TAP);
+
+		m_actionClickX = input->GetAction("ClickIntersectionPosX");
+		m_actionClickX->BindKey(Input::InputKey::Touch::Axis::AXIS_TAP_X);
+		m_actionClickX->BindKey(Input::InputKey::Mouse::Axis::AXIS_X_ABS);
+		m_actionClickY = input->GetAction("ClickIntersectionPosY");
+		m_actionClickY->BindKey(Input::InputKey::Touch::Axis::AXIS_TAP_Y);
+		m_actionClickY->BindKey(Input::InputKey::Mouse::Axis::AXIS_Y_ABS);
+	}
+}