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33 lines
1.1 KiB
33 lines
1.1 KiB
/*
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* This file is part of MXE. See LICENSE.md for licensing information.
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*
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* This file is a test program for glm, adapted from the code sample at
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* https://glm.g-truc.net/0.9.7/index.html.
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*/
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#define GLM_ENABLE_EXPERIMENTAL // for string_cast
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#include <glm/gtc/matrix_transform.hpp> // glm::translate, glm::rotate, glm::scale, glm::perspective
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#include <glm/mat4x4.hpp> // glm::mat4
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#include <glm/vec3.hpp> // glm::vec3
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#include <glm/vec4.hpp> // glm::vec4
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#include <glm/gtx/string_cast.hpp> // so we can print a calculation result
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#include <iostream>
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glm::mat4 camera(float Translate, glm::vec2 const& Rotate)
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{
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glm::mat4 Projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 100.f);
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glm::mat4 View = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -Translate));
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View = glm::rotate(View, Rotate.y, glm::vec3(-1.0f, 0.0f, 0.0f));
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View = glm::rotate(View, Rotate.x, glm::vec3(0.0f, 1.0f, 0.0f));
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glm::mat4 Model = glm::scale(glm::mat4(1.0f), glm::vec3(0.5f));
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return Projection * View * Model;
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}
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int main()
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{
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glm::mat4 m = camera(0.0f, glm::vec2(0.0f, 0.0f));
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std::cout << glm::to_string(m) << std::endl;
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return 0;
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}
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