93 lines
3.4 KiB
C++
93 lines
3.4 KiB
C++
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/*************************************************************************/
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/* path_2d.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "path_2d.h"
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void Path2D::_notification(int p_what) {
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if (p_what==NOTIFICATION_DRAW && curve.is_valid() && is_inside_scene() && get_scene()->is_editor_hint()) {
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//draw the curve!!
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for(int i=0;i<curve->get_point_count();i++) {
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Vector2 prev_p=curve->get_point_pos(i);
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for(int j=1;j<=8;j++) {
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real_t frac = j/8.0;
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Vector2 p = curve->interpolate(i,frac);
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draw_line(prev_p,p,Color(0.5,0.6,1.0,0.7),2);
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prev_p=p;
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}
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}
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}
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}
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void Path2D::_curve_changed() {
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if (is_inside_scene() && get_scene()->is_editor_hint())
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update();
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}
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void Path2D::set_curve(const Ref<Curve2D>& p_curve) {
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if (curve.is_valid()) {
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curve->disconnect("changed",this,"_curve_changed");
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}
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curve=p_curve;
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if (curve.is_valid()) {
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curve->connect("changed",this,"_curve_changed");
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}
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}
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Ref<Curve2D> Path2D::get_curve() const{
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return curve;
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}
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void Path2D::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("set_curve","curve:Curve2D"),&Path2D::set_curve);
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ObjectTypeDB::bind_method(_MD("get_curve:Curve2D","curve"),&Path2D::get_curve);
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ObjectTypeDB::bind_method(_MD("_curve_changed"),&Path2D::_curve_changed);
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ADD_PROPERTY( PropertyInfo( Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve2D"), _SCS("set_curve"),_SCS("get_curve"));
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}
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Path2D::Path2D() {
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set_curve(Ref<Curve2D>( memnew( Curve2D ))); //create one by default
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}
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