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author | KT <tran0563@umn.edu> | 2021-09-06 19:07:33 -0500 |
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committer | KT <tran0563@umn.edu> | 2021-09-06 19:07:33 -0500 |
commit | cccd3186305915d92b1751dc616979d64116a4aa (patch) | |
tree | 5dd4834daef547cd45fc0b643f44a10b581de0ad /dev/a4-dance/motion_clip.cc | |
parent | Added missing images for the A6 worksheet (diff) | |
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Diffstat (limited to 'dev/a4-dance/motion_clip.cc')
-rw-r--r-- | dev/a4-dance/motion_clip.cc | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/dev/a4-dance/motion_clip.cc b/dev/a4-dance/motion_clip.cc deleted file mode 100644 index f239aec..0000000 --- a/dev/a4-dance/motion_clip.cc +++ /dev/null @@ -1,157 +0,0 @@ -#include "motion_clip.h" - -#include <fstream> - -#include "amc_util.h" -#include "simple_parser.h" - -MotionClip::MotionClip() { -} - -MotionClip::~MotionClip() { -} - -int MotionClip::size() const { - return (int)frames_.size(); -} - -Pose MotionClip::pose(int frame_num) const { - return frames_[frame_num]; -} - -Pose& MotionClip::pose(int frame_num) { - return frames_[frame_num]; -} - -void MotionClip::TrimFront(int num_frames) { - frames_.erase(frames_.begin(), frames_.begin() + num_frames); -} - -void MotionClip::TrimBack(int num_frames) { - frames_.erase(frames_.end()-num_frames-1, frames_.end()-1); -} - -void MotionClip::PrependPose(const Pose &pose) { - frames_.insert(frames_.begin(), pose); -} - -void MotionClip::AppendPose(const Pose &pose) { - frames_.push_back(pose); -} - - -void MotionClip::PrependClip(const MotionClip &clip, int num_blend_frames) { - for (int i=0; i < clip.size()-num_blend_frames; i++) { - frames_.insert(frames_.begin(), clip[i]); - } - for (int i=0; i<num_blend_frames; i++) { - int clip_index = clip.size() - num_blend_frames + i; - int orig_index = clip_index; - float alpha = (float)i/(float)(num_blend_frames-1); // 0.0 to 1.0 - Pose blended = clip[clip_index].Lerp(frames_[orig_index], alpha); - frames_[orig_index] = blended; - } -} - -void MotionClip::AppendClip(const MotionClip &clip, int num_blend_frames) { - for (int i=0; i<num_blend_frames; i++) { - int clip_index = i; - int orig_index = (int)frames_.size() - num_blend_frames + i; - float alpha = (float)i/(float)(num_blend_frames-1); // 0.0 to 1.0 - Pose blended = frames_[orig_index].Lerp(clip[clip_index], alpha); - frames_[orig_index] = blended; - } - for (int i=num_blend_frames; i < clip.size(); i++) { - frames_.push_back(clip[i]); - } -} - - -void MotionClip::MakeLoop(int num_blend_frames) { - MotionClip tmp_clip; - for (int i=0; i<num_blend_frames; i++) { - tmp_clip.PrependPose(frames_.back()); - frames_.pop_back(); - } - for (int i=0; i<tmp_clip.size(); i++) { - float alpha = (float)i/(float)(tmp_clip.size()-1); - frames_[i] = tmp_clip[i].Lerp(frames_[i], alpha); - } -} - -void MotionClip::CalcRelativeTranslations() { - Point3 prev_pos = frames_[0].root_position(); - for (int i=0; i<frames_.size(); i++) { - Point3 cur_pos = frames_[i].root_position(); - frames_[i].set_root_relative_translation(cur_pos - prev_pos); - prev_pos = cur_pos; - } -} - - -Pose MotionClip::operator[](const int frame_num) const { - return frames_[frame_num]; -} - -Pose& MotionClip::operator[](const int frame_num) { - return frames_[frame_num]; -} - - -void MotionClip::LoadFromAMC(const std::string &filename, const Skeleton &skeleton) { - std::ifstream ifs(filename.c_str()); - SimpleParser parser(&ifs); - - parser.SwallowLine(); - parser.SwallowLine(); - parser.SwallowLine(); - - while (parser.Good()) { - Pose frame; - int frame_num; - parser.ReadInt(frame_num); - if (!parser.Good()) { - return; - } - frame.set_frame_number(frame_num); - - while (!parser.UpcomingInt()) { - std::string bone; - parser.ReadToken(bone); - if (!parser.Good()) { - return; - } - if (bone == "root") { - Point3 position; - parser.ReadFloat(position[0]); - parser.ReadFloat(position[1]); - parser.ReadFloat(position[2]); - position = amc2meter(position); - frame.set_root_position(position); - - Vector3 orientation; - parser.ReadFloat(orientation[0]); - parser.ReadFloat(orientation[1]); - parser.ReadFloat(orientation[2]); - frame.set_root_orientation(orientation); - } - else { - float rx=0, ry=0, rz=0; - - if (skeleton.rx_dof(bone)) { - parser.ReadFloat(rx); - } - if (skeleton.ry_dof(bone)) { - parser.ReadFloat(ry); - } - if (skeleton.rz_dof(bone)) { - parser.ReadFloat(rz); - } - frame.set_joint_angles(bone, Vector3(rx, ry, rz)); - } - } - frames_.push_back(frame); - } -} - - |