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#include "app.hpp"
#include <Magnum/GL/DefaultFramebuffer.h>
namespace floormat {
void app::do_camera(float dt)
{
auto camera_offset = _shader.camera_offset();
constexpr float pixels_per_second = 384;
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;
{
const auto max_camera_offset = Vector2(windowSize() * 10);
camera_offset[0] = std::clamp(camera_offset[0], -max_camera_offset[0], max_camera_offset[0]);
camera_offset[1] = std::clamp(camera_offset[1], -max_camera_offset[1], max_camera_offset[1]);
}
_shader.set_camera_offset(camera_offset);
if (keys[key::camera_reset])
reset_camera_offset();
recalc_cursor_tile();
}
void app::reset_camera_offset()
{
_shader.set_camera_offset(tile_shader::project({TILE_MAX_DIM/2.f*TILE_SIZE[0]/2.f, TILE_MAX_DIM/2.f*TILE_SIZE[1]/2.f, 0}));
recalc_cursor_tile();
}
void app::update_window_scale(Vector2i sz)
{
_shader.set_scale(Vector2{sz});
}
} // namespace floormat
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