From 891edbd533acdffec66416c59f4b6066e5e18aaa Mon Sep 17 00:00:00 2001 From: Fred Sundvik Date: Sun, 24 Apr 2016 16:19:31 +0300 Subject: Add function for running the next keyframe --- visualizer.c | 15 +++++++++++++++ visualizer.h | 3 +++ 2 files changed, 18 insertions(+) diff --git a/visualizer.c b/visualizer.c index 219d44cd3..2ec6e34f5 100644 --- a/visualizer.c +++ b/visualizer.c @@ -178,6 +178,21 @@ static bool update_keyframe_animation(keyframe_animation_t* animation, visualize return true; } +void run_next_keyframe(keyframe_animation_t* animation, visualizer_state_t* state) { + int next_frame = animation->current_frame + 1; + if (next_frame == animation->num_frames) { + next_frame = 0; + } + keyframe_animation_t temp_animation = *animation; + temp_animation.current_frame = next_frame; + temp_animation.time_left_in_frame = animation->frame_lengths[next_frame]; + temp_animation.first_update_of_frame = true; + temp_animation.last_update_of_frame = false; + temp_animation.need_update = false; + visualizer_state_t temp_state = *state; + (*temp_animation.frame_functions[next_frame])(&temp_animation, &temp_state); +} + bool keyframe_no_operation(keyframe_animation_t* animation, visualizer_state_t* state) { (void)animation; (void)state; diff --git a/visualizer.h b/visualizer.h index 82d7a71d3..5375e0130 100644 --- a/visualizer.h +++ b/visualizer.h @@ -106,6 +106,9 @@ extern GDisplay* LED_DISPLAY; void start_keyframe_animation(keyframe_animation_t* animation); void stop_keyframe_animation(keyframe_animation_t* animation); +// This runs the next keyframe, but does not update the animation state +// Useful for crossfades for example +void run_next_keyframe(keyframe_animation_t* animation, visualizer_state_t* state); // Some predefined keyframe functions that can be used by the user code // Does nothing, useful for adding delays -- cgit v1.2.3