Add SFML to the framework list
Lukas Dürrenberger
3 years ago
parent
0fdceac8b7
commit
45ddf0f9f4
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cmake_minimum_required(VERSION 3.15)
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project(TheBookOfShaders LANGUAGES CXX)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_EXTENSIONS OFF)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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find_package(SFML 2.5 COMPONENTS graphics REQUIRED)
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add_executable(TheBookOfShaders
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src/main.cpp
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)
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target_link_libraries(TheBookOfShaders sfml-graphics)
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install(TARGETS TheBookOfShaders
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RUNTIME DESTINATION .)
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install(DIRECTORY data
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DESTINATION .)
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#ifdef GL_ES
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precision mediump float;
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#endif
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uniform vec2 u_resolution;
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uniform vec3 u_mouse;
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uniform float u_time;
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void main() {
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vec2 st = gl_FragCoord.st/u_resolution;
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gl_FragColor = vec4(st.x,st.y,0.0,1.0);
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}
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#include <SFML/Graphics.hpp>
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#include <iostream>
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int main()
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{
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auto window = sf::RenderWindow{ { 800U, 800U }, "The Book of Shaders" };
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window.setFramerateLimit(144);
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auto clock = sf::Clock{};
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auto shape = sf::RectangleShape{ sf::Vector2f{ window.getSize() } };
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auto shader = sf::Shader{};
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if (!shader.loadFromFile("data/shader.frag", sf::Shader::Fragment))
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{
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std::cerr << "Couldn't load fragment shader\n";
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return -1;
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}
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auto mouse_position = sf::Vector2f{};
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while (window.isOpen())
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{
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for (auto event = sf::Event{}; window.pollEvent(event);)
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{
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if (event.type == sf::Event::Closed)
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{
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window.close();
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}
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else if (event.type == sf::Event::MouseMoved)
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{
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mouse_position = window.mapPixelToCoords({ event.mouseMove.x, event.mouseMove.y });
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}
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}
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shader.setUniform("u_resolution", sf::Glsl::Vec2{ window.getSize() });
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shader.setUniform("u_mouse", sf::Glsl::Vec2{ mouse_position });
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shader.setUniform("u_time", clock.getElapsedTime().asSeconds());
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window.clear();
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window.draw(shape, &shader);
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window.display();
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}
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}
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