86 lines
3.1 KiB
C++
86 lines
3.1 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 "PlaneCameraController.hpp"
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#include "Base/FrameMetadata.hpp"
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#include "Input/InputManager.hpp"
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#include "Input/InputKey.hpp"
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#include "Scene/Camera.hpp"
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namespace OpenVulkano::Scene
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{
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PlaneCameraController::PlaneCameraController(Camera* camera)
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: CameraController(camera), m_planeNormal(0.0f, 1.0f, 0.0f), m_position(0.0f, 0.0f, 0.0f)
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{
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auto input = OpenVulkano::Input::InputManager::GetInstance();
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m_actionForward = input->GetAction("forward");
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m_actionBackward = input->GetAction("backward");
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m_actionLeft = input->GetAction("left");
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m_actionRight = input->GetAction("right");
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m_actionUp = input->GetAction("up");
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}
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void PlaneCameraController::Init(Camera* camera, const Math::Vector3f& planeNormal)
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{
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CameraController::Init(camera);
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SetPlaneNormal(planeNormal);
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SetDefaultKeybindings();
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}
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void PlaneCameraController::Init(Camera* camera, DefaultAxis axis)
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{
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Math::Vector3f vector;
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switch (axis)
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{
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case DefaultAxis::OXY: vector = Math::Vector3f(0, 0, 1); break;
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case DefaultAxis::OXZ: vector = Math::Vector3f(0, 1, 0); break;
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case DefaultAxis::OYZ: vector = Math::Vector3f(1, 0, 0); break;
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}
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Init(camera, vector);
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}
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void PlaneCameraController::Tick()
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{
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auto input = OpenVulkano::Input::InputManager::GetInstance();
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Math::Vector3f direction(0.0f, 0.0f, 0.0f);
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if (input->GetButton(m_actionForward)) { direction += m_planeForward; }
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if (input->GetButton(m_actionBackward)) { direction -= m_planeForward; }
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if (input->GetButton(m_actionLeft)) { direction -= m_planeRight; }
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if (input->GetButton(m_actionRight)) { direction += m_planeRight; }
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if (Math::Utils::length2(direction) > 0.0f) { direction = Math::Utils::normalize(direction); }
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float timeScale = input->GetTimeScale();
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float speed = 3.0f;
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direction *= timeScale * speed;
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direction = direction - Math::Utils::dot(direction, m_planeNormal) * m_planeNormal;
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m_position += direction;
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Math::Matrix4f transformation = Math::Utils::translate(m_position);
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GetCamera()->SetMatrix(transformation);
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}
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void PlaneCameraController::SetDefaultKeybindings()
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{
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m_actionForward->BindKey(Input::InputKey::Keyboard::KEY_W);
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m_actionBackward->BindKey(Input::InputKey::Keyboard::KEY_S);
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m_actionLeft->BindKey(Input::InputKey::Keyboard::KEY_A);
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m_actionRight->BindKey(Input::InputKey::Keyboard::KEY_D);
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m_actionUp->BindAxisButtons(Input::InputKey::Keyboard::KEY_SPACE, Input::InputKey::Keyboard::KEY_LEFT_CONTROL);
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}
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void PlaneCameraController::SetPlaneNormal(const Math::Vector3f& planeNormal)
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{
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m_planeNormal = Math::Utils::normalize(planeNormal);
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Math::Vector3f arbitraryVector = (fabs(m_planeNormal.x) > 0.9f) ? Math::Vector3f(0.0f, 1.0f, 0.0f) :
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Math::Vector3f(1.0f, 0.0f, 0.0f);
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m_planeRight = Math::Utils::normalize(Math::Utils::cross(m_planeNormal, arbitraryVector));
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m_planeForward = Math::Utils::normalize(Math::Utils::cross(m_planeNormal, m_planeRight));
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}
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} |