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-rw-r--r--scene/3d/path_3d.cpp242
1 files changed, 107 insertions, 135 deletions
diff --git a/scene/3d/path_3d.cpp b/scene/3d/path_3d.cpp
index 4a425d1e0e..9ea37e4bfa 100644
--- a/scene/3d/path_3d.cpp
+++ b/scene/3d/path_3d.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -30,18 +30,15 @@
#include "path_3d.h"
-#include "core/engine.h"
-#include "scene/scene_string_names.h"
-
void Path3D::_notification(int p_what) {
}
void Path3D::_curve_changed() {
-
- if (is_inside_tree() && Engine::get_singleton()->is_editor_hint())
- update_gizmo();
+ if (is_inside_tree() && Engine::get_singleton()->is_editor_hint()) {
+ update_gizmos();
+ }
if (is_inside_tree()) {
- emit_signal("curve_changed");
+ emit_signal(SNAME("curve_changed"));
}
// update the configuration warnings of all children of type PathFollow
@@ -50,14 +47,13 @@ void Path3D::_curve_changed() {
for (int i = 0; i < get_child_count(); i++) {
PathFollow3D *child = Object::cast_to<PathFollow3D>(get_child(i));
if (child) {
- child->update_configuration_warning();
+ child->update_configuration_warnings();
}
}
}
}
void Path3D::set_curve(const Ref<Curve3D> &p_curve) {
-
if (curve.is_valid()) {
curve->disconnect("changed", callable_mp(this, &Path3D::_curve_changed));
}
@@ -71,66 +67,68 @@ void Path3D::set_curve(const Ref<Curve3D> &p_curve) {
}
Ref<Curve3D> Path3D::get_curve() const {
-
return curve;
}
void Path3D::_bind_methods() {
-
ClassDB::bind_method(D_METHOD("set_curve", "curve"), &Path3D::set_curve);
ClassDB::bind_method(D_METHOD("get_curve"), &Path3D::get_curve);
- ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve3D"), "set_curve", "get_curve");
+ ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve3D", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_EDITOR_INSTANTIATE_OBJECT), "set_curve", "get_curve");
ADD_SIGNAL(MethodInfo("curve_changed"));
}
-Path3D::Path3D() {
-
- set_curve(Ref<Curve3D>(memnew(Curve3D))); //create one by default
-}
-
//////////////
-void PathFollow3D::_update_transform() {
-
- if (!path)
+void PathFollow3D::_update_transform(bool p_update_xyz_rot) {
+ if (!path) {
return;
+ }
Ref<Curve3D> c = path->get_curve();
- if (!c.is_valid())
- return;
-
- if (delta_offset == 0) {
+ if (!c.is_valid()) {
return;
}
- float bl = c->get_baked_length();
+ real_t bl = c->get_baked_length();
if (bl == 0.0) {
return;
}
- float bi = c->get_bake_interval();
- float o_next = offset + bi;
+ real_t bi = c->get_bake_interval();
+ real_t o_next = offset + bi;
+ real_t o_prev = offset - bi;
if (loop) {
o_next = Math::fposmod(o_next, bl);
- } else if (rotation_mode == ROTATION_ORIENTED && o_next >= bl) {
- o_next = bl;
+ o_prev = Math::fposmod(o_prev, bl);
+ } else if (rotation_mode == ROTATION_ORIENTED) {
+ if (o_next >= bl) {
+ o_next = bl;
+ }
+ if (o_prev <= 0) {
+ o_prev = 0;
+ }
}
Vector3 pos = c->interpolate_baked(offset, cubic);
- Transform t = get_transform();
+ Transform3D t = get_transform();
// Vector3 pos_offset = Vector3(h_offset, v_offset, 0); not used in all cases
// will be replaced by "Vector3(h_offset, v_offset, 0)" where it was formerly used
if (rotation_mode == ROTATION_ORIENTED) {
-
Vector3 forward = c->interpolate_baked(o_next, cubic) - pos;
- if (forward.length_squared() < CMP_EPSILON2)
+ // Try with the previous position
+ if (forward.length_squared() < CMP_EPSILON2) {
+ forward = pos - c->interpolate_baked(o_prev, cubic);
+ }
+
+ if (forward.length_squared() < CMP_EPSILON2) {
forward = Vector3(0, 0, 1);
- else
+ } else {
forward.normalize();
+ }
Vector3 up = c->interpolate_baked_up_vector(offset, true);
@@ -138,10 +136,11 @@ void PathFollow3D::_update_transform() {
Vector3 up1 = c->interpolate_baked_up_vector(o_next, true);
Vector3 axis = up.cross(up1);
- if (axis.length_squared() < CMP_EPSILON2)
+ if (axis.length_squared() < CMP_EPSILON2) {
axis = forward;
- else
+ } else {
axis.normalize();
+ }
up.rotate(axis, up.angle_to(up1) * 0.5f);
}
@@ -162,45 +161,47 @@ 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 && delta_offset != 0) { // 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);
+ real_t dot = t_prev.dot(t_cur);
+ real_t 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
+ real_t 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);
+ }
}
}
@@ -213,68 +214,60 @@ void PathFollow3D::_update_transform() {
}
void PathFollow3D::_notification(int p_what) {
-
switch (p_what) {
-
case NOTIFICATION_ENTER_TREE: {
-
Node *parent = get_parent();
if (parent) {
path = Object::cast_to<Path3D>(parent);
if (path) {
- _update_transform();
+ _update_transform(false);
}
}
} break;
case NOTIFICATION_EXIT_TREE: {
-
path = nullptr;
} break;
}
}
void PathFollow3D::set_cubic_interpolation(bool p_enable) {
-
cubic = p_enable;
}
bool PathFollow3D::get_cubic_interpolation() const {
-
return cubic;
}
void PathFollow3D::_validate_property(PropertyInfo &property) const {
-
if (property.name == "offset") {
-
- float max = 10000;
- if (path && path->get_curve().is_valid())
+ real_t max = 10000;
+ if (path && path->get_curve().is_valid()) {
max = path->get_curve()->get_baked_length();
+ }
property.hint_string = "0," + rtos(max) + ",0.01,or_lesser,or_greater";
}
}
-String PathFollow3D::get_configuration_warning() const {
+TypedArray<String> PathFollow3D::get_configuration_warnings() const {
+ TypedArray<String> warnings = Node::get_configuration_warnings();
- if (!is_visible_in_tree() || !is_inside_tree())
- return String();
-
- if (!Object::cast_to<Path3D>(get_parent())) {
- return TTR("PathFollow3D only works when set as a child of a Path3D node.");
- } else {
- Path3D *path = Object::cast_to<Path3D>(get_parent());
- if (path->get_curve().is_valid() && !path->get_curve()->is_up_vector_enabled() && rotation_mode == ROTATION_ORIENTED) {
- return TTR("PathFollow3D's ROTATION_ORIENTED requires \"Up Vector\" to be enabled in its parent Path3D's Curve resource.");
+ if (is_visible_in_tree() && is_inside_tree()) {
+ if (!Object::cast_to<Path3D>(get_parent())) {
+ warnings.push_back(TTR("PathFollow3D only works when set as a child of a Path3D node."));
+ } else {
+ Path3D *path = Object::cast_to<Path3D>(get_parent());
+ if (path->get_curve().is_valid() && !path->get_curve()->is_up_vector_enabled() && rotation_mode == ROTATION_ORIENTED) {
+ warnings.push_back(TTR("PathFollow3D's ROTATION_ORIENTED requires \"Up Vector\" to be enabled in its parent Path3D's Curve resource."));
+ }
}
}
- return String();
+ return warnings;
}
void PathFollow3D::_bind_methods() {
-
ClassDB::bind_method(D_METHOD("set_offset", "offset"), &PathFollow3D::set_offset);
ClassDB::bind_method(D_METHOD("get_offset"), &PathFollow3D::get_offset);
@@ -311,13 +304,13 @@ void PathFollow3D::_bind_methods() {
BIND_ENUM_CONSTANT(ROTATION_ORIENTED);
}
-void PathFollow3D::set_offset(float p_offset) {
+void PathFollow3D::set_offset(real_t p_offset) {
delta_offset = p_offset - offset;
offset = p_offset;
if (path) {
if (path->get_curve().is_valid()) {
- float path_length = path->get_curve()->get_baked_length();
+ real_t path_length = path->get_curve()->get_baked_length();
if (loop) {
offset = Math::fposmod(offset, path_length);
@@ -331,84 +324,63 @@ void PathFollow3D::set_offset(float p_offset) {
_update_transform();
}
- _change_notify("offset");
- _change_notify("unit_offset");
}
-void PathFollow3D::set_h_offset(float p_h_offset) {
-
+void PathFollow3D::set_h_offset(real_t p_h_offset) {
h_offset = p_h_offset;
- if (path)
+ if (path) {
_update_transform();
+ }
}
-float PathFollow3D::get_h_offset() const {
-
+real_t PathFollow3D::get_h_offset() const {
return h_offset;
}
-void PathFollow3D::set_v_offset(float p_v_offset) {
-
+void PathFollow3D::set_v_offset(real_t p_v_offset) {
v_offset = p_v_offset;
- if (path)
+ if (path) {
_update_transform();
+ }
}
-float PathFollow3D::get_v_offset() const {
-
+real_t PathFollow3D::get_v_offset() const {
return v_offset;
}
-float PathFollow3D::get_offset() const {
-
+real_t PathFollow3D::get_offset() const {
return offset;
}
-void PathFollow3D::set_unit_offset(float p_unit_offset) {
-
- if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length())
+void PathFollow3D::set_unit_offset(real_t p_unit_offset) {
+ if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length()) {
set_offset(p_unit_offset * path->get_curve()->get_baked_length());
+ }
}
-float PathFollow3D::get_unit_offset() const {
-
- if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length())
+real_t PathFollow3D::get_unit_offset() const {
+ if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length()) {
return get_offset() / path->get_curve()->get_baked_length();
- else
+ } else {
return 0;
+ }
}
void PathFollow3D::set_rotation_mode(RotationMode p_rotation_mode) {
-
rotation_mode = p_rotation_mode;
- update_configuration_warning();
+ update_configuration_warnings();
_update_transform();
}
PathFollow3D::RotationMode PathFollow3D::get_rotation_mode() const {
-
return rotation_mode;
}
void PathFollow3D::set_loop(bool p_loop) {
-
loop = p_loop;
}
bool PathFollow3D::has_loop() const {
-
return loop;
}
-
-PathFollow3D::PathFollow3D() {
-
- offset = 0;
- delta_offset = 0;
- h_offset = 0;
- v_offset = 0;
- path = nullptr;
- rotation_mode = ROTATION_XYZ;
- cubic = true;
- loop = true;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 16:38:05 +0000