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path: root/scene/resources/skeleton_modification_3d_fabrik.cpp
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Diffstat (limited to 'scene/resources/skeleton_modification_3d_fabrik.cpp')
-rw-r--r--scene/resources/skeleton_modification_3d_fabrik.cpp78
1 files changed, 39 insertions, 39 deletions
diff --git a/scene/resources/skeleton_modification_3d_fabrik.cpp b/scene/resources/skeleton_modification_3d_fabrik.cpp
index e615615924..dedea3e282 100644
--- a/scene/resources/skeleton_modification_3d_fabrik.cpp
+++ b/scene/resources/skeleton_modification_3d_fabrik.cpp
@@ -149,6 +149,11 @@ void SkeletonModification3DFABRIK::_execute(real_t p_delta) {
return;
}
+ // Make sure the transform cache is the correct size
+ if (fabrik_transforms.size() != fabrik_data_chain.size()) {
+ fabrik_transforms.resize(fabrik_data_chain.size());
+ }
+
// Verify that all joints have a valid bone ID, and that all bone lengths are zero or more
// Also, while we are here, apply magnet positions.
for (uint32_t i = 0; i < fabrik_data_chain.size(); i++) {
@@ -162,27 +167,24 @@ void SkeletonModification3DFABRIK::_execute(real_t p_delta) {
if (_print_execution_error(fabrik_data_chain[i].length < 0, "FABRIK Joint " + itos(i) + " has an invalid joint length. Cannot execute!")) {
return;
}
-
- Transform3D local_pose_override = stack->skeleton->get_bone_local_pose_override(fabrik_data_chain[i].bone_idx);
+ fabrik_transforms[i] = stack->skeleton->get_bone_global_pose(fabrik_data_chain[i].bone_idx);
// Apply magnet positions:
if (stack->skeleton->get_bone_parent(fabrik_data_chain[i].bone_idx) >= 0) {
int parent_bone_idx = stack->skeleton->get_bone_parent(fabrik_data_chain[i].bone_idx);
- Transform3D conversion_transform = (stack->skeleton->get_bone_global_pose(parent_bone_idx) * stack->skeleton->get_bone_rest(parent_bone_idx));
- local_pose_override.origin += conversion_transform.basis.xform_inv(fabrik_data_chain[i].magnet_position);
+ Transform3D conversion_transform = (stack->skeleton->get_bone_global_pose(parent_bone_idx));
+ fabrik_transforms[i].origin += conversion_transform.basis.xform_inv(fabrik_data_chain[i].magnet_position);
} else {
- local_pose_override.origin += fabrik_data_chain[i].magnet_position;
+ fabrik_transforms[i].origin += fabrik_data_chain[i].magnet_position;
}
-
- stack->skeleton->set_bone_local_pose_override(fabrik_data_chain[i].bone_idx, local_pose_override, stack->strength, true);
}
+ Transform3D origin_global_pose_trans = stack->skeleton->get_bone_global_pose_no_override(fabrik_data_chain[0].bone_idx);
target_global_pose = stack->skeleton->world_transform_to_global_pose(node_target->get_global_transform());
- origin_global_pose = stack->skeleton->local_pose_to_global_pose(
- fabrik_data_chain[0].bone_idx, stack->skeleton->get_bone_local_pose_override(fabrik_data_chain[0].bone_idx));
+ origin_global_pose = origin_global_pose_trans;
final_joint_idx = fabrik_data_chain.size() - 1;
- real_t target_distance = stack->skeleton->global_pose_to_local_pose(fabrik_data_chain[final_joint_idx].bone_idx, target_global_pose).origin.length();
+ real_t target_distance = fabrik_transforms[final_joint_idx].origin.distance_to(target_global_pose.origin);
chain_iterations = 0;
while (target_distance > chain_tolerance) {
@@ -190,7 +192,7 @@ void SkeletonModification3DFABRIK::_execute(real_t p_delta) {
chain_forwards();
// update the target distance
- target_distance = stack->skeleton->global_pose_to_local_pose(fabrik_data_chain[final_joint_idx].bone_idx, target_global_pose).origin.length();
+ target_distance = fabrik_transforms[final_joint_idx].origin.distance_to(target_global_pose.origin);
// update chain iterations
chain_iterations += 1;
@@ -205,7 +207,7 @@ void SkeletonModification3DFABRIK::_execute(real_t p_delta) {
void SkeletonModification3DFABRIK::chain_backwards() {
int final_bone_idx = fabrik_data_chain[final_joint_idx].bone_idx;
- Transform3D final_joint_trans = stack->skeleton->local_pose_to_global_pose(final_bone_idx, stack->skeleton->get_bone_local_pose_override(final_bone_idx));
+ Transform3D final_joint_trans = fabrik_transforms[final_joint_idx];
// Get the direction the final bone is facing in.
stack->skeleton->update_bone_rest_forward_vector(final_bone_idx);
@@ -220,52 +222,46 @@ void SkeletonModification3DFABRIK::chain_backwards() {
// set the position of the final joint to the target position
final_joint_trans.origin = target_global_pose.origin - (direction * fabrik_data_chain[final_joint_idx].length);
- final_joint_trans = stack->skeleton->global_pose_to_local_pose(final_bone_idx, final_joint_trans);
- stack->skeleton->set_bone_local_pose_override(final_bone_idx, final_joint_trans, stack->strength, true);
+ fabrik_transforms[final_joint_idx] = final_joint_trans;
// for all other joints, move them towards the target
int i = final_joint_idx;
while (i >= 1) {
- int next_bone_idx = fabrik_data_chain[i].bone_idx;
- Transform3D next_bone_trans = stack->skeleton->local_pose_to_global_pose(next_bone_idx, stack->skeleton->get_bone_local_pose_override(next_bone_idx));
+ Transform3D next_bone_trans = fabrik_transforms[i];
i -= 1;
- int current_bone_idx = fabrik_data_chain[i].bone_idx;
- Transform3D current_trans = stack->skeleton->local_pose_to_global_pose(current_bone_idx, stack->skeleton->get_bone_local_pose_override(current_bone_idx));
+ Transform3D current_trans = fabrik_transforms[i];
real_t length = fabrik_data_chain[i].length / (current_trans.origin.distance_to(next_bone_trans.origin));
current_trans.origin = next_bone_trans.origin.lerp(current_trans.origin, length);
- // Apply it back to the skeleton
- stack->skeleton->set_bone_local_pose_override(current_bone_idx, stack->skeleton->global_pose_to_local_pose(current_bone_idx, current_trans), stack->strength, true);
+ // Save the result
+ fabrik_transforms[i] = current_trans;
}
}
void SkeletonModification3DFABRIK::chain_forwards() {
// Set root at the initial position.
- int origin_bone_idx = fabrik_data_chain[0].bone_idx;
- Transform3D root_transform = stack->skeleton->local_pose_to_global_pose(origin_bone_idx, stack->skeleton->get_bone_local_pose_override(origin_bone_idx));
+ Transform3D root_transform = fabrik_transforms[0];
+
root_transform.origin = origin_global_pose.origin;
- stack->skeleton->set_bone_local_pose_override(origin_bone_idx, stack->skeleton->global_pose_to_local_pose(origin_bone_idx, root_transform), stack->strength, true);
+ fabrik_transforms[0] = origin_global_pose;
for (uint32_t i = 0; i < fabrik_data_chain.size() - 1; i++) {
- int current_bone_idx = fabrik_data_chain[i].bone_idx;
- Transform3D current_trans = stack->skeleton->local_pose_to_global_pose(current_bone_idx, stack->skeleton->get_bone_local_pose_override(current_bone_idx));
- int next_bone_idx = fabrik_data_chain[i + 1].bone_idx;
- Transform3D next_bone_trans = stack->skeleton->local_pose_to_global_pose(next_bone_idx, stack->skeleton->get_bone_local_pose_override(next_bone_idx));
+ Transform3D current_trans = fabrik_transforms[i];
+ Transform3D next_bone_trans = fabrik_transforms[i + 1];
real_t length = fabrik_data_chain[i].length / (next_bone_trans.origin.distance_to(current_trans.origin));
next_bone_trans.origin = current_trans.origin.lerp(next_bone_trans.origin, length);
- // Apply it back to the skeleton
- stack->skeleton->set_bone_local_pose_override(next_bone_idx, stack->skeleton->global_pose_to_local_pose(next_bone_idx, next_bone_trans), stack->strength, true);
+ // Save the result
+ fabrik_transforms[i + 1] = next_bone_trans;
}
}
void SkeletonModification3DFABRIK::chain_apply() {
for (uint32_t i = 0; i < fabrik_data_chain.size(); i++) {
int current_bone_idx = fabrik_data_chain[i].bone_idx;
- Transform3D current_trans = stack->skeleton->get_bone_local_pose_override(current_bone_idx);
- current_trans = stack->skeleton->local_pose_to_global_pose(current_bone_idx, current_trans);
+ Transform3D current_trans = fabrik_transforms[i];
// If this is the last bone in the chain...
if (i == fabrik_data_chain.size() - 1) {
@@ -280,8 +276,7 @@ void SkeletonModification3DFABRIK::chain_apply() {
current_trans.basis = target_global_pose.basis.orthonormalized().scaled(current_trans.basis.get_scale());
}
} else { // every other bone in the chain...
- int next_bone_idx = fabrik_data_chain[i + 1].bone_idx;
- Transform3D next_trans = stack->skeleton->local_pose_to_global_pose(next_bone_idx, stack->skeleton->get_bone_local_pose_override(next_bone_idx));
+ Transform3D next_trans = fabrik_transforms[i + 1];
// Get the forward direction that the basis is facing in right now.
stack->skeleton->update_bone_rest_forward_vector(current_bone_idx);
@@ -290,9 +285,7 @@ void SkeletonModification3DFABRIK::chain_apply() {
current_trans.basis.rotate_to_align(forward_vector, current_trans.origin.direction_to(next_trans.origin));
current_trans.basis.rotate_local(forward_vector, fabrik_data_chain[i].roll);
}
- current_trans = stack->skeleton->global_pose_to_local_pose(current_bone_idx, current_trans);
- current_trans.origin = Vector3(0, 0, 0);
- stack->skeleton->set_bone_local_pose_override(current_bone_idx, current_trans, stack->strength, true);
+ stack->skeleton->set_bone_local_pose_override(current_bone_idx, stack->skeleton->global_pose_to_local_pose(current_bone_idx, current_trans), stack->strength, true);
}
// Update all the bones so the next modification has up-to-date data.
@@ -374,6 +367,7 @@ int SkeletonModification3DFABRIK::get_fabrik_data_chain_length() {
void SkeletonModification3DFABRIK::set_fabrik_data_chain_length(int p_length) {
ERR_FAIL_COND(p_length < 0);
fabrik_data_chain.resize(p_length);
+ fabrik_transforms.resize(p_length);
execution_error_found = false;
notify_property_list_changed();
}
@@ -513,8 +507,11 @@ void SkeletonModification3DFABRIK::fabrik_joint_auto_calculate_length(int p_join
Transform3D node_trans = tip_node->get_global_transform();
node_trans = stack->skeleton->world_transform_to_global_pose(node_trans);
- node_trans = stack->skeleton->global_pose_to_local_pose(fabrik_data_chain[p_joint_idx].bone_idx, node_trans);
- fabrik_data_chain[p_joint_idx].length = node_trans.origin.length();
+ //node_trans = stack->skeleton->global_pose_to_local_pose(fabrik_data_chain[p_joint_idx].bone_idx, node_trans);
+ //fabrik_data_chain[p_joint_idx].length = node_trans.origin.length();
+
+ fabrik_data_chain[p_joint_idx].length = stack->skeleton->get_bone_global_pose(fabrik_data_chain[p_joint_idx].bone_idx).origin.distance_to(node_trans.origin);
+
} else { // Use child bone(s) to update joint length, if possible
Vector<int> bone_children = stack->skeleton->get_bone_children(fabrik_data_chain[p_joint_idx].bone_idx);
if (bone_children.size() <= 0) {
@@ -522,10 +519,13 @@ void SkeletonModification3DFABRIK::fabrik_joint_auto_calculate_length(int p_join
return;
}
+ Transform3D bone_trans = stack->skeleton->get_bone_global_pose(fabrik_data_chain[p_joint_idx].bone_idx);
+
real_t final_length = 0;
for (int i = 0; i < bone_children.size(); i++) {
Transform3D child_transform = stack->skeleton->get_bone_global_pose(bone_children[i]);
- final_length += stack->skeleton->global_pose_to_local_pose(fabrik_data_chain[p_joint_idx].bone_idx, child_transform).origin.length();
+ final_length += bone_trans.origin.distance_to(child_transform.origin);
+ //final_length += stack->skeleton->global_pose_to_local_pose(fabrik_data_chain[p_joint_idx].bone_idx, child_transform).origin.length();
}
fabrik_data_chain[p_joint_idx].length = final_length / bone_children.size();
}