提示コードですがCamera.cppのコメント部内部のコードなのですがsetLook()関数をMain.cppで使っているのですがcos.sinの使い方と視線の動かし方は正しいのでしょうか？
参考サイト： https://learnopengl.com/Getting-started/Camera
Camera.cpp
#include "../header/Camera.hpp"
#include <glm/glm.hpp>
#include <glm/gtx/transform.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include "../header/Window.hpp"
#include "../header/Init.hpp"
std::shared_ptr<std::vector<FrameWork::D2::VertexAttribute>> FrameWork::Camera::vertex = std::make_shared<std::vector<FrameWork::D2::VertexAttribute>>(0); //頂点配列
glm::mat4 FrameWork::Camera::scale = glm::mat4(); //拡大縮小
glm::mat4 FrameWork::Camera::rotate = glm::mat4(); //回転
glm::mat4 FrameWork::Camera::translate = glm::mat4(); //平行移動
//描画行列
glm::vec3 FrameWork::Camera::position = glm::vec3(0,0,0); //座標
glm::vec3 FrameWork::Camera::vecLook = glm::vec3(0,0,-1); //向き(視線)
glm::mat4 FrameWork::Camera::view = glm::lookAt(glm::vec3(position.x, position.y, position.z), vecLook, glm::vec3(0, 1, 0)); //ビュー行列
glm::mat4 FrameWork::Camera::projection = glm::perspective(glm::radians(90.0f), 4.0f / 3.0f, 0.00001f, 10000.0f); //透視射形行列
// ##################################### 初期化 #####################################
void FrameWork::Camera::Init()
{
vertex->resize(6); //頂点配列を初期化
}
// ##################################### 頂点属性を取得 #####################################
std::shared_ptr<std::vector<FrameWork::D2::VertexAttribute>> FrameWork::Camera::getVertexAttribute()
{
return vertex;
}
// ##################################### 座標を設定 #####################################
void FrameWork::Camera::setPosition(glm::vec3 p)
{
position = p; //座標
}
////////////////////////////////////////////////////////////////////////////////////////////////////////
// ##################################### 視線を設定 #####################################
void FrameWork::Camera::setLook(glm::vec3 l)
{
vecLook = l; //向き
glm::vec3 up = glm::vec3(0, 1, 0);
glm::vec3 cameraDirection = glm::normalize(position - vecLook);
glm::vec3 cameraRight = glm::normalize(glm::cross(up, cameraDirection));
glm::vec3 cameraUp = glm::cross(vecLook, cameraRight);
view = glm::lookAt(glm::vec3(position.x, position.y, position.z), position + vecLook,up);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////
// ##################################### 座標を取得 #####################################
glm::vec3 FrameWork::Camera::getPosition()
{
return position;
}
// ##################################### 視線を取得 #####################################
glm::vec3 FrameWork::Camera::getLook()
{
return vecLook;
}
// ##################################### 3D ビュー行列を取得 透視射形行列 #####################################
glm::mat4 FrameWork::Camera::getViewProjection()
{
return projection * view;
}
// ##################################### ２D ビュー行列を取得 正射形 #####################################
glm::mat4 FrameWork::Camera::getProjection_2D()
{
return glm::ortho(0.0f, FrameWork::windowContext->getSize().x, FrameWork::windowContext->getSize().y, 0.0f, -1.0f, 1.0f);
}
// ###################### デストラクタ ######################
FrameWork::Camera::~Camera()
{
}
Main.cpp
cpp
1
2//関数の外に宣言 初期値↓
3float cameraLookSpeed = PI / 100; //視点移動速度
4 glm::vec3 cameraLook = glm::vec3(PI /2,PI,0);
5
6
7
8
9 if (FrameWork::windowContext->getKeyInput(GLFW_KEY_LEFT_CONTROL) > 0)
10 {
11 if (FrameWork::windowContext->getKeyInput(GLFW_KEY_LEFT) > (short)0)
12 {
13 cameraLook.x += -cameraLookSpeed;
14 }
15 else if (FrameWork::windowContext->getKeyInput(GLFW_KEY_RIGHT) > (short)0)
16 {
17 cameraLook.x += cameraLookSpeed;
18 }
19
20 if (FrameWork::windowContext->getKeyInput(GLFW_KEY_UP) > (short)0)
21 {
22 cameraLook.y += cameraLookSpeed;
23 }
24 else if (FrameWork::windowContext->getKeyInput(GLFW_KEY_DOWN) > (short)0)
25 {
26 cameraLook.y += -cameraLookSpeed;
27 }
28 }
29
30FrameWork::Camera::setLook(glm::vec3(cos(cameraLook.x) * cos(cameraLook.y), sin(cameraLook.y), sin(cameraLook.x) * cos(cameraLook.y)));
31FrameWork::Camera::setPosition(cameraPos);
32
Q&A
