53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
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#include <iostream>
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#include <glad/glad.h>
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#define STB_IMAGE_IMPLEMENTATION
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#include <stb/stb_image.h>
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class Texture
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{
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public:
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unsigned int ID;
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int width, height, nrChannels;
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Texture(const char* texturePath, bool flip = false)
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{
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// Create the Texture and set our ID
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glGenTextures(1, &ID);
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glBindTexture(GL_TEXTURE_2D, ID);
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// set the texture wrapping/filtering options (on the currently bound texture object)
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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// Grab the texture from our path
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if (flip)
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stbi_set_flip_vertically_on_load(true);
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unsigned char *data = stbi_load(texturePath, &width, &height, &nrChannels, 0);
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if (data)
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{
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GLenum format = (nrChannels == 4) ? GL_RGBA : GL_RGB;
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glTexImage2D(GL_TEXTURE_2D, 0, format, width, height, 0, format, GL_UNSIGNED_BYTE, data);
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glGenerateMipmap(GL_TEXTURE_2D);
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}
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else
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{
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std::cout << "Failed to load texture" << std::endl;
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}
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if (flip)
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stbi_set_flip_vertically_on_load(false);
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stbi_image_free(data);
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}
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void Draw() const
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{
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D, ID);
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}
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};
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