mirror of
https://github.com/Relintai/pandemonium_engine_minimal.git
synced 2024-11-10 20:12:10 +01:00
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
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/* line_shape_2d.cpp */
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#include "line_shape_2d.h"
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#include "servers/physics_2d_server.h"
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#include "servers/rendering_server.h"
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bool LineShape2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
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Vector2 point = get_d() * get_normal();
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Vector2 l[2][2] = { { point - get_normal().tangent() * 100, point + get_normal().tangent() * 100 }, { point, point + get_normal() * 30 } };
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for (int i = 0; i < 2; i++) {
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Vector2 closest = Geometry::get_closest_point_to_segment_2d(p_point, l[i]);
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if (p_point.distance_to(closest) < p_tolerance) {
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return true;
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}
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}
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return false;
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}
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void LineShape2D::_update_shape() {
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Array arr;
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arr.push_back(normal);
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arr.push_back(d);
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Physics2DServer::get_singleton()->shape_set_data(get_rid(), arr);
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emit_changed();
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}
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void LineShape2D::set_normal(const Vector2 &p_normal) {
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normal = p_normal;
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_update_shape();
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}
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void LineShape2D::set_d(real_t p_d) {
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d = p_d;
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_update_shape();
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}
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Vector2 LineShape2D::get_normal() const {
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return normal;
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}
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real_t LineShape2D::get_d() const {
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return d;
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}
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void LineShape2D::draw(const RID &p_to_rid, const Color &p_color) {
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Vector2 point = get_d() * get_normal();
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Vector2 l1[2] = { point - get_normal().tangent() * 100, point + get_normal().tangent() * 100 };
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RS::get_singleton()->canvas_item_add_line(p_to_rid, l1[0], l1[1], p_color, 3);
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Vector2 l2[2] = { point, point + get_normal() * 30 };
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RS::get_singleton()->canvas_item_add_line(p_to_rid, l2[0], l2[1], p_color, 3);
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}
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Rect2 LineShape2D::get_rect() const {
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Vector2 point = get_d() * get_normal();
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Vector2 l1[2] = { point - get_normal().tangent() * 100, point + get_normal().tangent() * 100 };
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Vector2 l2[2] = { point, point + get_normal() * 30 };
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Rect2 rect;
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rect.position = l1[0];
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rect.expand_to(l1[1]);
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rect.expand_to(l2[0]);
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rect.expand_to(l2[1]);
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return rect;
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}
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real_t LineShape2D::get_enclosing_radius() const {
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return d;
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}
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void LineShape2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_normal", "normal"), &LineShape2D::set_normal);
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ClassDB::bind_method(D_METHOD("get_normal"), &LineShape2D::get_normal);
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ClassDB::bind_method(D_METHOD("set_d", "d"), &LineShape2D::set_d);
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ClassDB::bind_method(D_METHOD("get_d"), &LineShape2D::get_d);
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "normal"), "set_normal", "get_normal");
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "d", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater"), "set_d", "get_d");
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}
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LineShape2D::LineShape2D() :
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Shape2D(Physics2DServer::get_singleton()->line_shape_create()) {
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normal = Vector2(0, -1);
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d = 0;
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_update_shape();
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}
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