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Merge pull request patriciogonzalezvivo#354 from eXpl0it3r/feature/sf…
…ml-framework Add SFML to the framework list
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| cmake_minimum_required(VERSION 3.15) | ||
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| project(TheBookOfShaders LANGUAGES CXX) | ||
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| set(CMAKE_CXX_STANDARD 17) | ||
| set(CMAKE_CXX_EXTENSIONS OFF) | ||
| 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 | ||
| src/main.cpp | ||
| ) | ||
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| target_link_libraries(TheBookOfShaders sfml-graphics) | ||
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| install(TARGETS TheBookOfShaders | ||
| RUNTIME DESTINATION .) | ||
| install(DIRECTORY data | ||
| DESTINATION .) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| #ifdef GL_ES | ||
| precision mediump float; | ||
| #endif | ||
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| uniform vec2 u_resolution; | ||
| uniform vec3 u_mouse; | ||
| uniform float u_time; | ||
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| void main() { | ||
| vec2 st = gl_FragCoord.st/u_resolution; | ||
| gl_FragColor = vec4(st.x,st.y,0.0,1.0); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| #include <SFML/Graphics.hpp> | ||
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| #include <iostream> | ||
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| int main() | ||
| { | ||
| auto window = sf::RenderWindow{ { 800U, 800U }, "The Book of Shaders" }; | ||
| 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{}; | ||
| if (!shader.loadFromFile("data/shader.frag", sf::Shader::Fragment)) | ||
| { | ||
| std::cerr << "Couldn't load fragment shader\n"; | ||
| return -1; | ||
| } | ||
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| auto mouse_position = sf::Vector2f{}; | ||
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| while (window.isOpen()) | ||
| { | ||
| for (auto event = sf::Event{}; window.pollEvent(event);) | ||
| { | ||
| if (event.type == sf::Event::Closed) | ||
| { | ||
| window.close(); | ||
| } | ||
| else if (event.type == sf::Event::MouseMoved) | ||
| { | ||
| mouse_position = window.mapPixelToCoords({ event.mouseMove.x, event.mouseMove.y }); | ||
| } | ||
| } | ||
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| shader.setUniform("u_resolution", sf::Glsl::Vec2{ window.getSize() }); | ||
| shader.setUniform("u_mouse", sf::Glsl::Vec2{ mouse_position }); | ||
| shader.setUniform("u_time", clock.getElapsedTime().asSeconds()); | ||
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| window.clear(); | ||
| window.draw(shape, &shader); | ||
| window.display(); | ||
| } | ||
| } |