58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
//
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// Created by martin on 10.12.21.
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//
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#include "ozzutils.h"
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#include <ozz/base/maths/simd_math.h>
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#define OZZ_INCLUDE_PRIVATE_HEADER
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#include "../src/animation/runtime/animation_keyframe.h"
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#undef OZZ_INCLUDE_PRIVATE_HEADER
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void calc_bone_translation(
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float ratio,
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int i_bone_idx,
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const ozz::animation::Animation* i_animation,
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ozz::math::Transform& o_transform) {
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int key_idx = 1;
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const ozz::span<const ozz::animation::Float3Key>& translations =
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i_animation->translations();
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int key_idx_prev = 0;
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int key_idx_next = 0;
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while (key_idx < translations.size()) {
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key_idx_next = key_idx;
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if (translations[key_idx].track == i_bone_idx) {
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if (translations[key_idx].ratio < ratio) {
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key_idx_prev = key_idx;
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} else {
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break;
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}
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}
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key_idx++;
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}
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const ozz::animation::Float3Key& key_prev = translations[key_idx_prev];
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const ozz::animation::Float3Key& key_next = translations[key_idx_next];
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float r = 0.f;
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if (key_prev.ratio != key_next.ratio) {
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r = (ratio - key_prev.ratio) / (key_next.ratio - key_prev.ratio);
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}
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o_transform.translation.x =
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ozz::math::HalfToFloat(key_prev.value[0])
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+ r
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* (ozz::math::HalfToFloat(key_next.value[0])
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- ozz::math::HalfToFloat(key_prev.value[0]));
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o_transform.translation.y =
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ozz::math::HalfToFloat(key_prev.value[1])
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+ r
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* (ozz::math::HalfToFloat(key_next.value[1])
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- ozz::math::HalfToFloat(key_prev.value[1]));
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o_transform.translation.z =
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ozz::math::HalfToFloat(key_prev.value[2])
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+ r
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* (ozz::math::HalfToFloat(key_next.value[2])
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- ozz::math::HalfToFloat(key_prev.value[2]));
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}
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