cat3d

A tiny OpenGL 3D engine library written in and for C++.

Dependencies

• glfw3
• GLEW
• glm

Building from source

This project is built using CMake

cd build
cmake \
    -DBUILD_TESTS=ON \
    -DBUILD_EXAMPLES=ON \
    ..
make

To run the tests, use:

make test

Docs

You can view the docs here.

Examples

More examples are located in the examples/ directory.

#include <cat3d.hpp>
 
int main() {
    namespace obj = cat3d::obj;
 
    cat3d::init(cat3d::opts(
        { { cat3d::WIDTH, 800 },
          { cat3d::HEIGHT, 600 },
          { cat3d::TITLE, "spinning-cube" },
          { cat3d::CLEAR_COLOR, cat3d::color::from_rgb(100, 242, 245) } }));
 
    cat3d::scene::node* root = cat3d::new_scene();
 
    obj::camera* cam = root->create<obj::camera>(glm::vec3(0, 2, -4), glm::vec3(0, 0, 0), 75.f);
    obj::model* cube = root->create<obj::model>("examples/cube.obj");
 
    cube->create<obj::timer>([cube](cat3d::util::time dt) {
        float dts = dt.as_seconds();
        cube->transform().rotate(glm::vec3(1.f * dts, 0.2f * dts, 0));
    });
 
    return cat3d::run();
}