summaryrefslogtreecommitdiff
path: root/scene/2d/path_2d.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'scene/2d/path_2d.cpp')
-rw-r--r--scene/2d/path_2d.cpp157
1 files changed, 55 insertions, 102 deletions
diff --git a/scene/2d/path_2d.cpp b/scene/2d/path_2d.cpp
index ed8481db4a..ed30e871d7 100644
--- a/scene/2d/path_2d.cpp
+++ b/scene/2d/path_2d.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 */
@@ -30,8 +30,7 @@
#include "path_2d.h"
-#include "core/engine.h"
-#include "scene/scene_string_names.h"
+#include "core/math/geometry_2d.h"
#ifdef TOOLS_ENABLED
#include "editor/editor_scale.h"
@@ -39,16 +38,14 @@
#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 +60,6 @@ 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 +72,10 @@ 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 +86,6 @@ 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!!
@@ -98,18 +94,16 @@ void Path2D::_notification(int p_what) {
}
#ifdef TOOLS_ENABLED
- const float line_width = 2 * EDSCALE;
+ const real_t line_width = 2 * EDSCALE;
#else
- const float line_width = 2;
+ const real_t 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 +126,6 @@ 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));
}
@@ -147,43 +140,36 @@ 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();
+ real_t path_length = c->get_baked_length();
if (path_length == 0) {
return;
}
Vector2 pos = c->interpolate_baked(offset, cubic);
- if (rotate) {
- float ahead = offset + lookahead;
+ if (rotates) {
+ real_t ahead = offset + lookahead;
if (loop && ahead >= path_length) {
// If our lookahead will loop, we need to check if the path is closed.
@@ -212,7 +198,7 @@ void PathFollow2D::_update_transform() {
tangent_to_curve = (ahead_pos - pos).normalized();
}
- Vector2 normal_of_curve = -tangent_to_curve.tangent();
+ Vector2 normal_of_curve = -tangent_to_curve.orthogonal();
pos += tangent_to_curve * h_offset;
pos += normal_of_curve * v_offset;
@@ -220,7 +206,6 @@ void PathFollow2D::_update_transform() {
set_rotation(tangent_to_curve.angle());
} else {
-
pos.x += h_offset;
pos.y += v_offset;
}
@@ -229,11 +214,8 @@ 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();
@@ -241,48 +223,43 @@ void PathFollow2D::_notification(int p_what) {
} break;
case NOTIFICATION_EXIT_TREE: {
-
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())
+ real_t max = 10000.0;
+ 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 {
+TypedArray<String> PathFollow2D::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<Path2D>(get_parent())) {
- return TTR("PathFollow2D only works when set as a child of a Path2D node.");
+ if (is_visible_in_tree() && is_inside_tree()) {
+ if (!Object::cast_to<Path2D>(get_parent())) {
+ warnings.push_back(TTR("PathFollow2D only works when set as a child of a Path2D node."));
+ }
}
- return String();
+ return warnings;
}
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);
@@ -295,7 +272,7 @@ void PathFollow2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_unit_offset", "unit_offset"), &PathFollow2D::set_unit_offset);
ClassDB::bind_method(D_METHOD("get_unit_offset"), &PathFollow2D::get_unit_offset);
- ClassDB::bind_method(D_METHOD("set_rotate", "enable"), &PathFollow2D::set_rotate);
+ ClassDB::bind_method(D_METHOD("set_rotates", "enable"), &PathFollow2D::set_rotates);
ClassDB::bind_method(D_METHOD("is_rotating"), &PathFollow2D::is_rotating);
ClassDB::bind_method(D_METHOD("set_cubic_interpolation", "enable"), &PathFollow2D::set_cubic_interpolation);
@@ -311,18 +288,17 @@ void PathFollow2D::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "unit_offset", PROPERTY_HINT_RANGE, "0,1,0.0001,or_lesser,or_greater", PROPERTY_USAGE_EDITOR), "set_unit_offset", "get_unit_offset");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "h_offset"), "set_h_offset", "get_h_offset");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "v_offset"), "set_v_offset", "get_v_offset");
- ADD_PROPERTY(PropertyInfo(Variant::BOOL, "rotate"), "set_rotate", "is_rotating");
+ ADD_PROPERTY(PropertyInfo(Variant::BOOL, "rotates"), "set_rotates", "is_rotating");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "cubic_interp"), "set_cubic_interpolation", "get_cubic_interpolation");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "loop"), "set_loop", "has_loop");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "lookahead", PROPERTY_HINT_RANGE, "0.001,1024.0,0.001"), "set_lookahead", "get_lookahead");
}
-void PathFollow2D::set_offset(float p_offset) {
-
+void PathFollow2D::set_offset(real_t p_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);
@@ -336,92 +312,69 @@ void PathFollow2D::set_offset(float p_offset) {
_update_transform();
}
- _change_notify("offset");
- _change_notify("unit_offset");
}
-void PathFollow2D::set_h_offset(float p_h_offset) {
-
+void PathFollow2D::set_h_offset(real_t p_h_offset) {
h_offset = p_h_offset;
- if (path)
+ if (path) {
_update_transform();
+ }
}
-float PathFollow2D::get_h_offset() const {
-
+real_t PathFollow2D::get_h_offset() const {
return h_offset;
}
-void PathFollow2D::set_v_offset(float p_v_offset) {
-
+void PathFollow2D::set_v_offset(real_t p_v_offset) {
v_offset = p_v_offset;
- if (path)
+ if (path) {
_update_transform();
+ }
}
-float PathFollow2D::get_v_offset() const {
-
+real_t PathFollow2D::get_v_offset() const {
return v_offset;
}
-float PathFollow2D::get_offset() const {
-
+real_t 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())
+void PathFollow2D::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 PathFollow2D::get_unit_offset() const {
-
- if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length())
+real_t PathFollow2D::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 PathFollow2D::set_lookahead(float p_lookahead) {
-
+void PathFollow2D::set_lookahead(real_t p_lookahead) {
lookahead = p_lookahead;
}
-float PathFollow2D::get_lookahead() const {
-
+real_t PathFollow2D::get_lookahead() const {
return lookahead;
}
-void PathFollow2D::set_rotate(bool p_rotate) {
-
- rotate = p_rotate;
+void PathFollow2D::set_rotates(bool p_rotates) {
+ rotates = p_rotates;
_update_transform();
}
bool PathFollow2D::is_rotating() const {
-
- return rotate;
+ return rotates;
}
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 = nullptr;
- rotate = true;
- cubic = true;
- loop = true;
- lookahead = 4;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 17:00:46 +0000