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Fix repeated updates of PathFollow3D Transform 

Add optional parameter to specify whether applying rotation to the
PathFollow3D's Transform is necessary, preventing erroneous updates.
This commit is contained in:
Maganty Rushyendra 2020-07-08 10:06:02 +08:00
parent d0e0a19e4d
commit be3a1769fe
2 changed files with 38 additions and 36 deletions
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6
scene/3d/path_3d.cpp
View File

@ -84,7 +84,7 @@ void Path3D::_bind_methods() {
////////////// //////////////
void PathFollow3D::_update_transform() { void PathFollow3D::_update_transform(bool p_update_xyz_rot) {
if (!path) { if (!path) {
return; return;
} }
@ -156,6 +156,7 @@ void PathFollow3D::_update_transform() {
t.origin = pos; t.origin = pos;
if (p_update_xyz_rot) { // Only update rotation if some parameter has changed - i.e. not on addition to scene tree
Vector3 t_prev = (pos - c->interpolate_baked(offset - delta_offset, cubic)).normalized(); Vector3 t_prev = (pos - c->interpolate_baked(offset - delta_offset, cubic)).normalized();
Vector3 t_cur = (c->interpolate_baked(offset + delta_offset, cubic) - pos).normalized(); Vector3 t_cur = (c->interpolate_baked(offset + delta_offset, cubic) - pos).normalized();
@ -197,6 +198,7 @@ void PathFollow3D::_update_transform() {
t.rotate_basis(tilt_axis.normalized(), tilt_angle); t.rotate_basis(tilt_axis.normalized(), tilt_angle);
} }
} }
}
t.translate(Vector3(h_offset, v_offset, 0)); t.translate(Vector3(h_offset, v_offset, 0));
} else { } else {
@ -213,7 +215,7 @@ void PathFollow3D::_notification(int p_what) {
if (parent) { if (parent) {
path = Object::cast_to<Path3D>(parent); path = Object::cast_to<Path3D>(parent);
if (path) { if (path) {
_update_transform(); _update_transform(false);
} }
} }

2
scene/3d/path_3d.h
View File

@ -75,7 +75,7 @@ private:
bool loop; bool loop;
RotationMode rotation_mode; RotationMode rotation_mode;
void _update_transform(); void _update_transform(bool p_update_xyz_rot = true);
protected: protected:
virtual void _validate_property(PropertyInfo &property) const; virtual void _validate_property(PropertyInfo &property) const;