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Add access to interpolation fraction for fixed timestep interpolation

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Addresses #30068

This is a prerequisite for allowing proper support for fixed timestep interpolation, exposing the interpolation fraction to the engine, modules and gdscript.

The interpolation fraction is the fraction through the current physics tick at the time of the current frame.
This commit is contained in:
lawnjelly
2019-07-01 17:42:02 +01:00
parent d40dbd6d11
commit bf6c301b9c
8 changed files with 22 additions and 0 deletions
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2
core/engine.h
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@ -63,6 +63,7 @@ private:
float _time_scale;
bool _pixel_snap;
uint64_t _physics_frames;
float _physics_interpolation_fraction;
uint64_t _idle_frames;
bool _in_physics;
@ -95,6 +96,7 @@ public:
bool is_in_physics_frame() const { return _in_physics; }
uint64_t get_idle_frame_ticks() const { return _frame_ticks; }
float get_idle_frame_step() const { return _frame_step; }
float get_physics_interpolation_fraction() const { return _physics_interpolation_fraction; }
void set_time_scale(float p_scale);
float get_time_scale() const;