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Fix matrix-instability jitters

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Danny McGee
2024-01-18 20:00:15 -05:00
parent b3182b7933
commit 0d4f8b8439
1 changed files with 3 additions and 1 deletions
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studio/src/bvh/mod.rs
+3 -1
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@@ -13,7 +13,7 @@ mod error;
mod loader;
use crate::{
math::Lerp,
math::{Lerp, MatrixExtras},
scene::{BindPoseGlobal, InvBindPose, SceneState, SkeletalJoint},
};
@@ -237,6 +237,7 @@ fn retarget_bvh(
// [psuedo] local_mat = source_inv_bind_mat * source_world_mat;
let mut local_mat = source_world_xform.affine() * (**source_inv_bind_pose);
local_mat.matrix3 = local_mat.matrix3.orthonormalize();
// [psuedo] local_mat = target_world_mat * local_mat * target_inv_parent_mat;
let parent_world_xform = match q_world_xforms.get(**target_parent_ent) {
@@ -245,6 +246,7 @@ fn retarget_bvh(
};
let target_inv_parent_mat = parent_world_xform.affine().inverse();
local_mat = target_inv_parent_mat * local_mat * (**target_bind_pose_global);
local_mat.matrix3 = local_mat.matrix3.orthonormalize();
// [psuedo] target_xform.rotation = local_mat.rotation;
let (_, rotation, _) = local_mat.to_scale_rotation_translation();