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https://github.com/ApfelTeeSaft/PlanetFleet.git
synced 2026-08-26 19:33:38 +00:00
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
#include "cameraController.h"
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#include "defConfigs.h"
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#include <quaternion.h>
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#include <root.h>
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#include <camera.h>
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namespace battleship{
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using namespace vb01;
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using namespace configData;
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static CameraController *cameraController = nullptr;
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CameraController* CameraController::getSingleton(){
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if(!cameraController)
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cameraController = new CameraController();
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return cameraController;
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}
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void CameraController::updateCameraPosition() {
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GameManager *gm = GameManager::getSingleton();
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Vector2 cursorPos = getCursorPos();
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Camera *cam = Root::getSingleton()->getCamera();
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Vector3 camDir = cam->getDirection();
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Vector3 forwVec = Vector3(camDir.x, 0, camDir.z).norm();
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Vector3 camLeft = cam->getLeft();
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camLeft = Vector3(camLeft.x, 0, camLeft.z).norm();
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int width, height;
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glfwGetWindowSize(Root::getSingleton()->getWindow(), &width, &height);
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if (cursorPos.x <= 0 && 0 < cursorPos.y && cursorPos.y < height)
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cam->setPosition(cam->getPosition() - camLeft * camPanSpeed);
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if (cursorPos.x >= width && 0 < cursorPos.y && cursorPos.y < height)
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cam->setPosition(cam->getPosition() + camLeft * camPanSpeed);
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if (cursorPos.y <= 0 && 0 < cursorPos.x && cursorPos.x < width)
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cam->setPosition(cam->getPosition() + forwVec * camPanSpeed);
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if (cursorPos.y >= height && 0 < cursorPos.x && cursorPos.x < width)
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cam->setPosition(cam->getPosition() - forwVec * camPanSpeed);
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}
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void CameraController::orientCamera(Vector3 rotAxis, double str){
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float minStr = .001;
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Quaternion rotQuat = Quaternion(.5 * (fabs(str) > minStr ? str : 0), rotAxis);
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Camera *cam = Root::getSingleton()->getCamera();
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Vector3 dir = rotQuat * cam->getDirection(), up = rotQuat * cam->getUp();
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cam->lookAt(dir, up);
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}
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void CameraController::zoomCamera(bool zoomIn){
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if((zoomIn && numZooms > configData::NUM_MAX_ZOOMS) || (!zoomIn && numZooms < -configData::NUM_MAX_ZOOMS)) return;
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Vector3 newPos;
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float offset;
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if(zoomIn){
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numZooms++;
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offset = configData::CAMERA_ZOOM_INCREMENT;
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}
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else{
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numZooms--;
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offset = -configData::CAMERA_ZOOM_INCREMENT;
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}
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Camera *cam = Root::getSingleton()->getCamera();
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cam->setPosition(cam->getPosition() + cam->getDirection() * offset);
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}
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}
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