diff options
| -rw-r--r-- | editor/character.cpp | 9 | ||||
| -rw-r--r-- | editor/character.hpp | 3 |
2 files changed, 6 insertions, 6 deletions
diff --git a/editor/character.cpp b/editor/character.cpp index a971434d..845f8345 100644 --- a/editor/character.cpp +++ b/editor/character.cpp @@ -62,10 +62,11 @@ character_wip::~character_wip() = default; int character_wip::allocate_frame_time(float dt) { - delta += dt; - auto ret = (int)(delta*framerate); - delta -= ret; - delta = std::fmax(0.f, delta); + int d = int(delta) + int(65535u * dt); + constexpr int framerate_ = 65535/framerate; + static_assert(framerate_ > 0); + auto ret = d / framerate_; + delta = (std::uint16_t)std::clamp(d - ret*65535, 0, 65535); return ret; } diff --git a/editor/character.hpp b/editor/character.hpp index 86f634c5..7172415c 100644 --- a/editor/character.hpp +++ b/editor/character.hpp @@ -16,9 +16,8 @@ struct character_wip final std::shared_ptr<anim_atlas> walk_anim; global_coords pos; - std::size_t frame = 0; - float delta = 0; Vector2 offset; + std::uint16_t delta = 0, frame = 0; rotation r = rotation::NE; private: |