blender_armature/action/action_keyframes/
sample.rs

1use std::collections::BTreeMap;
2
3use crate::{interpolate_bone, ActionKeyframes, Bone};
4
5pub use self::joint_indices::*;
6pub use self::sample_desc::*;
7pub use self::surrounding_keyframes::get_surrounding_keyframes;
8
9mod joint_indices;
10mod sample_desc;
11mod surrounding_keyframes;
12
13impl ActionKeyframes {
14    /// Sample the bone transforms from the action
15    pub fn sample(&self, joint_indices: &[u8], sample_desc: SampleDesc) -> BTreeMap<u8, Bone> {
16        // let mut interpolated_bones = BTreeMap::new();
17        //
18        // if joint_indices.len() == 0 {
19        //     return interpolated_bones;
20        // }
21        //
22        // let keyframes = self.keyframes();
23        //
24        // let (lowest_keyframe, highest_keyframe) =
25        //     (self.smallest_frame as f32, self.largest_frame as f32);
26        //
27        // let mut frames_elapsed = sample_desc.frame_offset.get();
28        //
29        // let mut key_time_to_sample = lowest_keyframe as f32 + frames_elapsed;
30        //
31        // let action_duration = (highest_keyframe - lowest_keyframe) as f32;
32        //
33        // if frames_elapsed > action_duration {
34        //     if sample_desc.should_loop {
35        //         frames_elapsed = frames_elapsed % action_duration;
36        //     } else {
37        //         frames_elapsed = action_duration;
38        //     }
39        //
40        //     key_time_to_sample = lowest_keyframe as f32 + frames_elapsed;
41        // }
42        //
43        // let (action_lower_keyframe, action_upper_keyframe) =
44        //     get_surrounding_keyframes(keyframes, key_time_to_sample);
45        //
46        // let percent_elapsed_into_keyframe = if action_lower_keyframe == action_upper_keyframe {
47        //     0.0
48        // } else {
49        //     (key_time_to_sample - action_lower_keyframe.frame as f32)
50        //         / (action_upper_keyframe.frame - action_lower_keyframe.frame) as f32
51        // };
52        //
53        // for joint_index in joint_indices.iter() {
54        //     let joint_index = *joint_index;
55        //
56        //     let lower_bone = &action_lower_keyframe.bones[joint_index as usize];
57        //     let upper_bone = &action_upper_keyframe.bones[joint_index as usize];
58        //
59        //     let interpolated_bone =
60        //         interpolate_bone(&lower_bone, &upper_bone, percent_elapsed_into_keyframe);
61        //     interpolated_bones.insert(joint_index, interpolated_bone);
62        // }
63        //
64        // interpolated_bones
65        unimplemented!()
66    }
67}
blender_armature/action/action_keyframes/sample.rs

blender_armature/action/action_keyframes/
sample.rs
