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Merge pull request #83397 from thiagola92/readability_skeleton_2d_calculate_length_and_rotation

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Refactor function `calculate_length_and_rotation()` from Skeleton2D
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Rémi Verschelde 2024-01-11 20:44:26 +01:00
commit 1b25b4ca5f
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1 changed files with 13 additions and 19 deletions
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32
scene/2d/skeleton_2d.cpp
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@ -433,29 +433,23 @@ PackedStringArray Bone2D::get_configuration_warnings() const {
}
void Bone2D::calculate_length_and_rotation() {
// if there is at least a single child Bone2D node, we can calculate
// If there is at least a single child Bone2D node, we can calculate
// the length and direction. We will always just use the first Bone2D for this.
bool calculated = false;
int child_count = get_child_count();
if (child_count > 0) {
for (int i = 0; i < child_count; i++) {
Bone2D *child = Object::cast_to<Bone2D>(get_child(i));
if (child) {
Vector2 child_local_pos = to_local(child->get_global_position());
length = child_local_pos.length();
bone_angle = child_local_pos.normalized().angle();
calculated = true;
break;
}
Transform2D global_inv = get_global_transform().affine_inverse();
for (int i = 0; i < child_count; i++) {
Bone2D *child = Object::cast_to<Bone2D>(get_child(i));
if (child) {
Vector2 child_local_pos = global_inv.xform(child->get_global_position());
length = child_local_pos.length();
bone_angle = child_local_pos.angle();
return; // Finished!
}
}
if (calculated) {
return; // Finished!
} else {
WARN_PRINT("No Bone2D children of node " + get_name() + ". Cannot calculate bone length or angle reliably.\nUsing transform rotation for bone angle");
bone_angle = get_transform().get_rotation();
return;
}
WARN_PRINT("No Bone2D children of node " + get_name() + ". Cannot calculate bone length or angle reliably.\nUsing transform rotation for bone angle.");
bone_angle = get_transform().get_rotation();
}
void Bone2D::set_autocalculate_length_and_angle(bool p_autocalculate) {