terravisor/source/camera.cpp

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2024-08-21 17:14:35 -04:00
#include "camera.h"
namespace CameraControls {
void TranslateCamera(Camera& camera, const glm::vec3& translationDelta) {
TransformControls::Translate(camera.transform, translationDelta);
}
void RotateCamera(Camera& camera, const glm::vec3& rotationDelta) {
TransformControls::Rotate(camera.transform, rotationDelta);
}
void SetPosition(Camera& camera, const glm::vec3& position) {
TransformControls::SetPosition(camera.transform, position);
}
void SetRotation(Camera& camera, const glm::vec3& rotation) {
TransformControls::SetRotation(camera.transform, rotation);
}
glm::vec3 GetPosition(Camera& camera) {
return camera.transform.translation;
}
glm::vec3 GetRotation(Camera& camera) {
return camera.transform.rotation;
}
glm::vec3 GetCenter(Camera& camera) {
glm::vec3 forward;
forward.x = cos(camera.transform.rotation.y) * cos(camera.transform.rotation.x);
forward.y = sin(camera.transform.rotation.x);
forward.z = sin(camera.transform.rotation.y) * cos(camera.transform.rotation.x);
return GetPosition(camera) + GetRotation(camera);
}
float GetFOV(Camera& camera) {
return 2.0f * atan(camera.sensorHeight / (2.0f * camera.focalLength));
}
void AdjustFocalLength(Camera& camera, float focalLength) {
camera.focalLength = focalLength;
}
void AdjustSensorHeight(Camera& camera, float sensorHeight) {
camera.sensorHeight = sensorHeight;
}
void AdjustNearPlane(Camera& camera, float nearPlane) {
camera.nearPlane = nearPlane;
}
void AdjustFarPlane(Camera& camera, float farPlane) {
camera.farPlane = farPlane;
}
glm::mat4 GetViewMatrix(Camera& camera) {
//return glm::lookAt(glm::vec3(0.0f, 1.4f, 1.4f), glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 1.0f, 0.0f));
return glm::lookAt(GetPosition(camera), GetCenter(camera), glm::vec3(0.0f, 1.0f, 0.0f));
}
}