added a camera class

This commit is contained in:
Lukian 2025-02-04 08:12:53 +01:00
parent 39cf068e91
commit 0bdca85075
10 changed files with 492 additions and 261 deletions

View file

@ -0,0 +1,51 @@
#ifndef TEXTURE_H
#define TEXTURE_H
#include <string>
#include <glad/glad.h>
#include <iostream>
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
class Texture
{
public:
unsigned int ID;
Texture(const char* texturePath)
{
glGenTextures(1, &ID);
glBindTexture(GL_TEXTURE_2D, ID);
// set the texture wrapping/filtering options (on the currently bound texture object)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// load and generate the texture
int width, height, nrChannels;
stbi_set_flip_vertically_on_load(true);
unsigned char *data = stbi_load(texturePath, &width, &height, &nrChannels, 0);
if (data)
{
GLenum format = GL_RGB;
if (nrChannels == 1) format = GL_RED;
else if (nrChannels == 3) format = GL_RGB;
else if (nrChannels == 4) format = GL_RGBA;
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, format, GL_UNSIGNED_BYTE, data);
glGenerateMipmap(GL_TEXTURE_2D);
}
else
{
std::cout << "Failed to load texture" << std::endl;
}
stbi_image_free(data);
}
void use()
{
glBindTexture(GL_TEXTURE_2D, ID);
}
};
#endif