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allow scaling the viewport

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This commit is contained in:
Matthew Berry 2021-08-01 21:27:45 -07:00
parent f31a0b72c9
commit 606bf07800
1 changed files with 6 additions and 3 deletions
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9
src/crab/common/frontend/sdl_opengl_imgui_frontend.cr
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@ -53,7 +53,7 @@ class SDLOpenGLImGuiFrontend < Frontend
)
@gl_context = setup_gl
@shader_programs = Hash.zip(CONTROLLERS, CONTROLLERS.map { |controller| Shader.new(SHADERS / controller.vertex_shader, SHADERS / controller.fragment_shader)})
@shader_programs = Hash.zip(CONTROLLERS, CONTROLLERS.map { |controller| Shader.new(SHADERS / controller.vertex_shader, SHADERS / controller.fragment_shader) })
shader_program = @shader_programs[@controller.class]
shader_program.use
@ -160,8 +160,11 @@ class SDLOpenGLImGuiFrontend < Frontend
elsif event.sym == LibSDL::Keycode::P && event.mod.includes?(LibSDL::Keymod::LCTRL)
pause(!@pause) unless event.pressed? # toggle pause on key release
end
when SDL::Event::JoyHat,
SDL::Event::JoyButton then @controller.handle_controller_event(event)
when SDL::Event::JoyHat, SDL::Event::JoyButton then @controller.handle_controller_event(event)
when SDL::Event::Window
case LibSDL::WindowEventID.new(event.event.to_i!)
when LibSDL::WindowEventID::SIZE_CHANGED then LibGL.viewport(0, 0, @window.width, @window.height)
end
when SDL::Event::Quit then exit
else nil
end