diff options
Diffstat (limited to 'scene/3d/path_3d.cpp')
| -rw-r--r-- | scene/3d/path_3d.cpp | 76 |
1 files changed, 39 insertions, 37 deletions
diff --git a/scene/3d/path_3d.cpp b/scene/3d/path_3d.cpp index 40d988ff9f..bf69a8598d 100644 --- a/scene/3d/path_3d.cpp +++ b/scene/3d/path_3d.cpp @@ -84,7 +84,7 @@ void Path3D::_bind_methods() { ////////////// -void PathFollow3D::_update_transform() { +void PathFollow3D::_update_transform(bool p_update_xyz_rot) { if (!path) { return; } @@ -156,45 +156,47 @@ void PathFollow3D::_update_transform() { t.origin = pos; - 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 axis = t_prev.cross(t_cur); - float dot = t_prev.dot(t_cur); - float angle = Math::acos(CLAMP(dot, -1, 1)); - - if (likely(!Math::is_zero_approx(angle))) { - if (rotation_mode == ROTATION_Y) { - // assuming we're referring to global Y-axis. is this correct? - axis.x = 0; - axis.z = 0; - } else if (rotation_mode == ROTATION_XY) { - axis.z = 0; - } else if (rotation_mode == ROTATION_XYZ) { - // all components are allowed - } + 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_cur = (c->interpolate_baked(offset + delta_offset, cubic) - pos).normalized(); + + Vector3 axis = t_prev.cross(t_cur); + float dot = t_prev.dot(t_cur); + float angle = Math::acos(CLAMP(dot, -1, 1)); + + if (likely(!Math::is_zero_approx(angle))) { + if (rotation_mode == ROTATION_Y) { + // assuming we're referring to global Y-axis. is this correct? + axis.x = 0; + axis.z = 0; + } else if (rotation_mode == ROTATION_XY) { + axis.z = 0; + } else if (rotation_mode == ROTATION_XYZ) { + // all components are allowed + } - if (likely(!Math::is_zero_approx(axis.length()))) { - t.rotate_basis(axis.normalized(), angle); + if (likely(!Math::is_zero_approx(axis.length()))) { + t.rotate_basis(axis.normalized(), angle); + } } - } - // do the additional tilting - float tilt_angle = c->interpolate_baked_tilt(offset); - Vector3 tilt_axis = t_cur; // not sure what tilt is supposed to do, is this correct?? - - if (likely(!Math::is_zero_approx(Math::abs(tilt_angle)))) { - if (rotation_mode == ROTATION_Y) { - tilt_axis.x = 0; - tilt_axis.z = 0; - } else if (rotation_mode == ROTATION_XY) { - tilt_axis.z = 0; - } else if (rotation_mode == ROTATION_XYZ) { - // all components are allowed - } + // do the additional tilting + float tilt_angle = c->interpolate_baked_tilt(offset); + Vector3 tilt_axis = t_cur; // not sure what tilt is supposed to do, is this correct?? + + if (likely(!Math::is_zero_approx(Math::abs(tilt_angle)))) { + if (rotation_mode == ROTATION_Y) { + tilt_axis.x = 0; + tilt_axis.z = 0; + } else if (rotation_mode == ROTATION_XY) { + tilt_axis.z = 0; + } else if (rotation_mode == ROTATION_XYZ) { + // all components are allowed + } - if (likely(!Math::is_zero_approx(tilt_axis.length()))) { - t.rotate_basis(tilt_axis.normalized(), tilt_angle); + if (likely(!Math::is_zero_approx(tilt_axis.length()))) { + t.rotate_basis(tilt_axis.normalized(), tilt_angle); + } } } @@ -213,7 +215,7 @@ void PathFollow3D::_notification(int p_what) { if (parent) { path = Object::cast_to<Path3D>(parent); if (path) { - _update_transform(); + _update_transform(false); } } |