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Diffstat (limited to 'scene/resources/separation_ray_shape_2d.cpp')
| -rw-r--r-- | scene/resources/separation_ray_shape_2d.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/scene/resources/separation_ray_shape_2d.cpp b/scene/resources/separation_ray_shape_2d.cpp new file mode 100644 index 0000000000..0acd6d268d --- /dev/null +++ b/scene/resources/separation_ray_shape_2d.cpp @@ -0,0 +1,119 @@ +/*************************************************************************/ +/* separation_ray_shape_2d.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* 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 */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "separation_ray_shape_2d.h" + +#include "servers/physics_server_2d.h" +#include "servers/rendering_server.h" + +void SeparationRayShape2D::_update_shape() { + Dictionary d; + d["length"] = length; + d["slide_on_slope"] = slide_on_slope; + PhysicsServer2D::get_singleton()->shape_set_data(get_rid(), d); + emit_changed(); +} + +void SeparationRayShape2D::draw(const RID &p_to_rid, const Color &p_color) { + const Vector2 target_position = Vector2(0, get_length()); + + 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 { + RS::get_singleton()->canvas_item_add_line(p_to_rid, Vector2(), target_position - target_position.normalized() * arrow_size, p_color, 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(p_color); + } + + RS::get_singleton()->canvas_item_add_primitive(p_to_rid, pts, cols, Vector<Point2>(), RID()); +} + +Rect2 SeparationRayShape2D::get_rect() const { + Rect2 rect; + rect.position = Vector2(); + rect.expand_to(Vector2(0, length)); + rect = rect.grow(Math_SQRT12 * 4); + return rect; +} + +real_t SeparationRayShape2D::get_enclosing_radius() const { + return length; +} + +void SeparationRayShape2D::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_length", "length"), &SeparationRayShape2D::set_length); + ClassDB::bind_method(D_METHOD("get_length"), &SeparationRayShape2D::get_length); + + ClassDB::bind_method(D_METHOD("set_slide_on_slope", "active"), &SeparationRayShape2D::set_slide_on_slope); + ClassDB::bind_method(D_METHOD("get_slide_on_slope"), &SeparationRayShape2D::get_slide_on_slope); + + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "length"), "set_length", "get_length"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "slide_on_slope"), "set_slide_on_slope", "get_slide_on_slope"); +} + +void SeparationRayShape2D::set_length(real_t p_length) { + length = p_length; + _update_shape(); +} + +real_t SeparationRayShape2D::get_length() const { + return length; +} + +void SeparationRayShape2D::set_slide_on_slope(bool p_active) { + slide_on_slope = p_active; + _update_shape(); +} + +bool SeparationRayShape2D::get_slide_on_slope() const { + return slide_on_slope; +} + +SeparationRayShape2D::SeparationRayShape2D() : + Shape2D(PhysicsServer2D::get_singleton()->separation_ray_shape_create()) { + _update_shape(); +} |