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Diffstat (limited to 'scene/2d/path_2d.cpp')
-rw-r--r--scene/2d/path_2d.cpp98
1 files changed, 32 insertions, 66 deletions
diff --git a/scene/2d/path_2d.cpp b/scene/2d/path_2d.cpp
index 3e807f12dc..f2f549e851 100644
--- a/scene/2d/path_2d.cpp
+++ b/scene/2d/path_2d.cpp
@@ -31,6 +31,7 @@
#include "path_2d.h"
#include "core/engine.h"
+#include "core/math/geometry_2d.h"
#include "scene/scene_string_names.h"
#ifdef TOOLS_ENABLED
@@ -39,16 +40,14 @@
#ifdef TOOLS_ENABLED
Rect2 Path2D::_edit_get_rect() const {
-
- if (!curve.is_valid() || curve->get_point_count() == 0)
+ if (!curve.is_valid() || curve->get_point_count() == 0) {
return Rect2(0, 0, 0, 0);
+ }
Rect2 aabb = Rect2(curve->get_point_position(0), Vector2(0, 0));
for (int i = 0; i < curve->get_point_count(); i++) {
-
for (int j = 0; j <= 8; j++) {
-
real_t frac = j / 8.0;
Vector2 p = curve->interpolate(i, frac);
aabb.expand_to(p);
@@ -63,7 +62,6 @@ bool Path2D::_edit_use_rect() const {
}
bool Path2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
-
if (curve.is_null()) {
return false;
}
@@ -76,9 +74,10 @@ bool Path2D::_edit_is_selected_on_click(const Point2 &p_point, double p_toleranc
real_t frac = j / 8.0;
s[1] = curve->interpolate(i, frac);
- Vector2 p = Geometry::get_closest_point_to_segment_2d(p_point, s);
- if (p.distance_to(p_point) <= p_tolerance)
+ Vector2 p = Geometry2D::get_closest_point_to_segment(p_point, s);
+ if (p.distance_to(p_point) <= p_tolerance) {
return true;
+ }
s[0] = s[1];
}
@@ -89,7 +88,6 @@ bool Path2D::_edit_is_selected_on_click(const Point2 &p_point, double p_toleranc
#endif
void Path2D::_notification(int p_what) {
-
if (p_what == NOTIFICATION_DRAW && curve.is_valid()) {
//draw the curve!!
@@ -102,14 +100,12 @@ void Path2D::_notification(int p_what) {
#else
const float line_width = 2;
#endif
- const Color color = Color(1.0, 1.0, 1.0, 1.0);
+ const Color color = Color(0.5, 0.6, 1.0, 0.7);
for (int i = 0; i < curve->get_point_count(); i++) {
-
Vector2 prev_p = curve->get_point_position(i);
for (int j = 1; j <= 8; j++) {
-
real_t frac = j / 8.0;
Vector2 p = curve->interpolate(i, frac);
draw_line(prev_p, p, color, line_width);
@@ -132,7 +128,6 @@ void Path2D::_curve_changed() {
}
void Path2D::set_curve(const Ref<Curve2D> &p_curve) {
-
if (curve.is_valid()) {
curve->disconnect("changed", callable_mp(this, &Path2D::_curve_changed));
}
@@ -147,34 +142,27 @@ void Path2D::set_curve(const Ref<Curve2D> &p_curve) {
}
Ref<Curve2D> Path2D::get_curve() const {
-
return curve;
}
void Path2D::_bind_methods() {
-
ClassDB::bind_method(D_METHOD("set_curve", "curve"), &Path2D::set_curve);
ClassDB::bind_method(D_METHOD("get_curve"), &Path2D::get_curve);
- ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve2D"), "set_curve", "get_curve");
-}
-
-Path2D::Path2D() {
-
- set_curve(Ref<Curve2D>(memnew(Curve2D))); //create one by default
- set_self_modulate(Color(0.5, 0.6, 1.0, 0.7));
+ ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve2D", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_EDITOR_INSTANTIATE_OBJECT), "set_curve", "get_curve");
}
/////////////////////////////////////////////////////////////////////////////////
void PathFollow2D::_update_transform() {
-
- if (!path)
+ if (!path) {
return;
+ }
Ref<Curve2D> c = path->get_curve();
- if (!c.is_valid())
+ if (!c.is_valid()) {
return;
+ }
float path_length = c->get_baked_length();
if (path_length == 0) {
@@ -220,7 +208,6 @@ void PathFollow2D::_update_transform() {
set_rotation(tangent_to_curve.angle());
} else {
-
pos.x += h_offset;
pos.y += v_offset;
}
@@ -229,11 +216,8 @@ void PathFollow2D::_update_transform() {
}
void PathFollow2D::_notification(int p_what) {
-
switch (p_what) {
-
case NOTIFICATION_ENTER_TREE: {
-
path = Object::cast_to<Path2D>(get_parent());
if (path) {
_update_transform();
@@ -241,38 +225,34 @@ void PathFollow2D::_notification(int p_what) {
} break;
case NOTIFICATION_EXIT_TREE: {
-
- path = NULL;
+ path = nullptr;
} break;
}
}
void PathFollow2D::set_cubic_interpolation(bool p_enable) {
-
cubic = p_enable;
}
bool PathFollow2D::get_cubic_interpolation() const {
-
return cubic;
}
void PathFollow2D::_validate_property(PropertyInfo &property) const {
-
if (property.name == "offset") {
-
float max = 10000;
- if (path && path->get_curve().is_valid())
+ 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 PathFollow2D::get_configuration_warning() const {
-
- if (!is_visible_in_tree() || !is_inside_tree())
+ if (!is_visible_in_tree() || !is_inside_tree()) {
return String();
+ }
if (!Object::cast_to<Path2D>(get_parent())) {
return TTR("PathFollow2D only works when set as a child of a Path2D node.");
@@ -282,7 +262,6 @@ String PathFollow2D::get_configuration_warning() const {
}
void PathFollow2D::_bind_methods() {
-
ClassDB::bind_method(D_METHOD("set_offset", "offset"), &PathFollow2D::set_offset);
ClassDB::bind_method(D_METHOD("get_offset"), &PathFollow2D::get_offset);
@@ -318,19 +297,16 @@ void PathFollow2D::_bind_methods() {
}
void PathFollow2D::set_offset(float p_offset) {
-
offset = p_offset;
if (path) {
- if (path->get_curve().is_valid() && path->get_curve()->get_baked_length()) {
+ if (path->get_curve().is_valid()) {
float path_length = path->get_curve()->get_baked_length();
if (loop) {
- while (offset > path_length)
- offset -= path_length;
-
- while (offset < 0)
- offset += path_length;
-
+ offset = Math::fposmod(offset, path_length);
+ if (!Math::is_zero_approx(p_offset) && Math::is_zero_approx(offset)) {
+ offset = path_length;
+ }
} else {
offset = CLAMP(offset, 0, path_length);
}
@@ -343,85 +319,75 @@ void PathFollow2D::set_offset(float p_offset) {
}
void PathFollow2D::set_h_offset(float p_h_offset) {
-
h_offset = p_h_offset;
- if (path)
+ if (path) {
_update_transform();
+ }
}
float PathFollow2D::get_h_offset() const {
-
return h_offset;
}
void PathFollow2D::set_v_offset(float p_v_offset) {
-
v_offset = p_v_offset;
- if (path)
+ if (path) {
_update_transform();
+ }
}
float PathFollow2D::get_v_offset() const {
-
return v_offset;
}
float PathFollow2D::get_offset() const {
-
return offset;
}
void PathFollow2D::set_unit_offset(float p_unit_offset) {
-
- if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length())
+ 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 PathFollow2D::get_unit_offset() const {
-
- if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length())
+ 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 PathFollow2D::set_lookahead(float p_lookahead) {
-
lookahead = p_lookahead;
}
float PathFollow2D::get_lookahead() const {
-
return lookahead;
}
void PathFollow2D::set_rotate(bool p_rotate) {
-
rotate = p_rotate;
_update_transform();
}
bool PathFollow2D::is_rotating() const {
-
return rotate;
}
void PathFollow2D::set_loop(bool p_loop) {
-
loop = p_loop;
}
bool PathFollow2D::has_loop() const {
-
return loop;
}
PathFollow2D::PathFollow2D() {
-
offset = 0;
h_offset = 0;
v_offset = 0;
- path = NULL;
+ path = nullptr;
rotate = true;
cubic = true;
loop = true;
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-22 08:04:42 +0000