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-rw-r--r--scene/2d/ray_cast_2d.cpp101
1 files changed, 57 insertions, 44 deletions
diff --git a/scene/2d/ray_cast_2d.cpp b/scene/2d/ray_cast_2d.cpp
index 9fd24b5294..f6740040c1 100644
--- a/scene/2d/ray_cast_2d.cpp
+++ b/scene/2d/ray_cast_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 */
@@ -31,19 +31,19 @@
#include "ray_cast_2d.h"
#include "collision_object_2d.h"
-#include "core/engine.h"
+#include "core/config/engine.h"
#include "physics_body_2d.h"
#include "servers/physics_server_2d.h"
-void RayCast2D::set_cast_to(const Vector2 &p_point) {
- cast_to = p_point;
+void RayCast2D::set_target_position(const Vector2 &p_point) {
+ target_position = p_point;
if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || get_tree()->is_debugging_collisions_hint())) {
update();
}
}
-Vector2 RayCast2D::get_cast_to() const {
- return cast_to;
+Vector2 RayCast2D::get_target_position() const {
+ return target_position;
}
void RayCast2D::set_collision_mask(uint32_t p_mask) {
@@ -55,6 +55,7 @@ uint32_t RayCast2D::get_collision_mask() const {
}
void RayCast2D::set_collision_mask_bit(int p_bit, bool p_value) {
+ ERR_FAIL_INDEX_MSG(p_bit, 32, "Collision mask bit must be between 0 and 31 inclusive.");
uint32_t mask = get_collision_mask();
if (p_value) {
mask |= 1 << p_bit;
@@ -65,6 +66,7 @@ void RayCast2D::set_collision_mask_bit(int p_bit, bool p_value) {
}
bool RayCast2D::get_collision_mask_bit(int p_bit) const {
+ ERR_FAIL_INDEX_V_MSG(p_bit, 32, false, "Collision mask bit must be between 0 and 31 inclusive.");
return get_collision_mask() & (1 << p_bit);
}
@@ -159,30 +161,7 @@ void RayCast2D::_notification(int p_what) {
if (!Engine::get_singleton()->is_editor_hint() && !get_tree()->is_debugging_collisions_hint()) {
break;
}
- Transform2D xf;
- xf.rotate(cast_to.angle());
- xf.translate(Vector2(cast_to.length(), 0));
-
- // Draw an arrow indicating where the RayCast is pointing to
- Color draw_col = get_tree()->get_debug_collisions_color();
- if (!enabled) {
- float g = draw_col.get_v();
- draw_col.r = g;
- draw_col.g = g;
- draw_col.b = g;
- }
- draw_line(Vector2(), cast_to, draw_col, 2);
- Vector<Vector2> pts;
- float tsize = 8;
- pts.push_back(xf.xform(Vector2(tsize, 0)));
- pts.push_back(xf.xform(Vector2(0, Math_SQRT12 * tsize)));
- pts.push_back(xf.xform(Vector2(0, -Math_SQRT12 * tsize)));
- Vector<Color> cols;
- for (int i = 0; i < 3; i++) {
- cols.push_back(draw_col);
- }
-
- draw_primitive(pts, cols, Vector<Vector2>());
+ _draw_debug_shape();
} break;
@@ -206,13 +185,13 @@ void RayCast2D::_update_raycast_state() {
Transform2D gt = get_global_transform();
- Vector2 to = cast_to;
+ Vector2 to = target_position;
if (to == Vector2()) {
to = Vector2(0, 0.01);
}
PhysicsDirectSpaceState2D::RayResult rr;
-
+ bool prev_collision_state = collided;
if (dss->intersect_ray(gt.get_origin(), gt.xform(to), rr, exclude, collision_mask, collide_with_bodies, collide_with_areas)) {
collided = true;
against = rr.collider_id;
@@ -224,6 +203,48 @@ void RayCast2D::_update_raycast_state() {
against = ObjectID();
against_shape = 0;
}
+
+ if (prev_collision_state != collided) {
+ update();
+ }
+}
+
+void RayCast2D::_draw_debug_shape() {
+ Color draw_col = collided ? Color(1.0, 0.01, 0) : get_tree()->get_debug_collisions_color();
+ if (!enabled) {
+ float g = draw_col.get_v();
+ draw_col.r = g;
+ draw_col.g = g;
+ draw_col.b = g;
+ }
+
+ // Draw an arrow indicating where the RayCast is pointing to
+ const float max_arrow_size = 6;
+ const float line_width = 1.4;
+ bool no_line = target_position.length() < line_width;
+ float arrow_size = CLAMP(target_position.length() * 2 / 3, line_width, max_arrow_size);
+
+ if (no_line) {
+ arrow_size = target_position.length();
+ } else {
+ draw_line(Vector2(), target_position - target_position.normalized() * arrow_size, draw_col, line_width);
+ }
+
+ Transform2D xf;
+ xf.rotate(target_position.angle());
+ xf.translate(Vector2(no_line ? 0 : target_position.length() - arrow_size, 0));
+
+ Vector<Vector2> pts;
+ pts.push_back(xf.xform(Vector2(arrow_size, 0)));
+ pts.push_back(xf.xform(Vector2(0, 0.5 * arrow_size)));
+ pts.push_back(xf.xform(Vector2(0, -0.5 * arrow_size)));
+
+ Vector<Color> cols;
+ for (int i = 0; i < 3; i++) {
+ cols.push_back(draw_col);
+ }
+
+ draw_primitive(pts, cols, Vector<Vector2>());
}
void RayCast2D::force_raycast_update() {
@@ -280,8 +301,8 @@ void RayCast2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &RayCast2D::set_enabled);
ClassDB::bind_method(D_METHOD("is_enabled"), &RayCast2D::is_enabled);
- ClassDB::bind_method(D_METHOD("set_cast_to", "local_point"), &RayCast2D::set_cast_to);
- ClassDB::bind_method(D_METHOD("get_cast_to"), &RayCast2D::get_cast_to);
+ ClassDB::bind_method(D_METHOD("set_target_position", "local_point"), &RayCast2D::set_target_position);
+ ClassDB::bind_method(D_METHOD("get_target_position"), &RayCast2D::get_target_position);
ClassDB::bind_method(D_METHOD("is_colliding"), &RayCast2D::is_colliding);
ClassDB::bind_method(D_METHOD("force_raycast_update"), &RayCast2D::force_raycast_update);
@@ -316,7 +337,7 @@ void RayCast2D::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_enabled", "is_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "exclude_parent"), "set_exclude_parent_body", "get_exclude_parent_body");
- ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "cast_to"), "set_cast_to", "get_cast_to");
+ ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "target_position"), "set_target_position", "get_target_position");
ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_mask", PROPERTY_HINT_LAYERS_2D_PHYSICS), "set_collision_mask", "get_collision_mask");
ADD_GROUP("Collide With", "collide_with");
@@ -325,12 +346,4 @@ void RayCast2D::_bind_methods() {
}
RayCast2D::RayCast2D() {
- enabled = true;
- collided = false;
- against_shape = 0;
- collision_mask = 1;
- cast_to = Vector2(0, 50);
- exclude_parent_body = true;
- collide_with_bodies = true;
- collide_with_areas = false;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-05 17:33:32 +0000