From dcac3d7bd83c0cbdddae433e98598289bb1b06cd Mon Sep 17 00:00:00 2001 From: Stanislaw Halik Date: Sat, 8 Oct 2022 22:47:54 +0200 Subject: a --- main/camera.cpp | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 main/camera.cpp (limited to 'main/camera.cpp') diff --git a/main/camera.cpp b/main/camera.cpp new file mode 100644 index 00000000..c9fb0391 --- /dev/null +++ b/main/camera.cpp @@ -0,0 +1,39 @@ +#include "app.hpp" + +namespace Magnum::Examples { + +void app::do_camera(float dt) +{ + constexpr float pixels_per_second = 512; + if (keys[key::camera_up]) + camera_offset += Vector2(0, 1) * dt * pixels_per_second; + else if (keys[key::camera_down]) + camera_offset += Vector2(0, -1) * dt * pixels_per_second; + if (keys[key::camera_left]) + camera_offset += Vector2(1, 0) * dt * pixels_per_second; + else if (keys[key::camera_right]) + camera_offset += Vector2(-1, 0) * dt * pixels_per_second; + + _shader.set_camera_offset(camera_offset); + + if (keys[key::camera_reset]) + reset_camera_offset(); +} + +void app::reset_camera_offset() +{ + camera_offset = _shader.project({TILE_MAX_DIM*TILE_SIZE[0]/2.f, TILE_MAX_DIM*TILE_SIZE[1]/2.f, 0}); + //camera_offset = {}; +} + +void app::update_window_scale(Vector2i sz) +{ + _shader.set_scale(Vector2{sz}); +} + +void app::viewportEvent(Platform::Sdl2Application::ViewportEvent& event) +{ + update_window_scale(event.windowSize()); +} + +} // namespace Magnum::Examples -- cgit v1.2.3