GODOT IS OPEN SOURCE

1 files changed, 248 insertions, 0 deletions

diff --git a/scene/2d/collision_shape_2d.cpp b/scene/2d/collision_shape_2d.cpp
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+++ b/scene/2d/collision_shape_2d.cpp
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+/*************************************************************************/
+/*  collision_shape_2d.cpp                                               */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* 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 "collision_shape_2d.h"
+#include "collision_object_2d.h"
+#include "scene/resources/segment_shape_2d.h"
+#include "scene/resources/shape_line_2d.h"
+#include "scene/resources/circle_shape_2d.h"
+#include "scene/resources/rectangle_shape_2d.h"
+#include "scene/resources/capsule_shape_2d.h"
+#include "scene/resources/convex_polygon_shape_2d.h"
+#include "scene/resources/concave_polygon_shape_2d.h"
+
+
+void CollisionShape2D::_add_to_collision_object(Object *p_obj) {
+
+	CollisionObject2D *co = p_obj->cast_to<CollisionObject2D>();
+	ERR_FAIL_COND(!co);
+	co->add_shape(shape,get_transform());
+	if (trigger)
+		co->set_shape_as_trigger(co->get_shape_count()-1,true);
+
+}
+
+void CollisionShape2D::_shape_changed() {
+
+	update();
+	_update_parent();
+}
+
+void CollisionShape2D::_update_parent() {
+
+
+	Node *parent = get_parent();
+	if (!parent)
+		return;
+	CollisionObject2D *co = parent->cast_to<CollisionObject2D>();
+	if (!co)
+		return;
+	co->_update_shapes_from_children();
+}
+
+void CollisionShape2D::_notification(int p_what) {
+
+	switch(p_what) {
+
+		case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
+
+			if (!is_inside_scene())
+				break;
+			_update_parent();
+
+		} break;
+		/*
+		case NOTIFICATION_TRANSFORM_CHANGED: {
+
+			if (!is_inside_scene())
+				break;
+			_update_parent();
+
+		} break;*/
+		case NOTIFICATION_DRAW: {
+
+			rect=Rect2();
+
+			Color draw_col=Color(0,0.6,0.7,0.5);
+
+			if (shape->cast_to<LineShape2D>()) {
+
+				LineShape2D *l = shape->cast_to<LineShape2D>();
+				Vector2 point = l->get_d() * l->get_normal();
+
+				Vector2 l1[2]={point-l->get_normal().tangent()*100,point+l->get_normal().tangent()*100};
+				draw_line(l1[0],l1[1],draw_col,3);
+				Vector2 l2[2]={point,point+l->get_normal()*30};
+				draw_line(l2[0],l2[1],draw_col,3);
+				rect.pos=l1[0];
+				rect.expand_to(l1[1]);
+				rect.expand_to(l2[0]);
+				rect.expand_to(l2[1]);
+
+			} else if (shape->cast_to<SegmentShape2D>()) {
+
+				SegmentShape2D *s = shape->cast_to<SegmentShape2D>();
+				draw_line(s->get_a(),s->get_b(),draw_col,3);
+				rect.pos=s->get_a();
+				rect.expand_to(s->get_b());
+
+			} else if (shape->cast_to<RayShape2D>()) {
+
+				RayShape2D *s = shape->cast_to<RayShape2D>();
+
+				Vector2 tip = Vector2(0,s->get_length());
+				draw_line(Vector2(),tip,draw_col,3);
+				Vector<Vector2> pts;
+				float tsize=4;
+				pts.push_back(tip+Vector2(0,tsize));
+				pts.push_back(tip+Vector2(0.707*tsize,0));
+				pts.push_back(tip+Vector2(-0.707*tsize,0));
+				Vector<Color> cols;
+				for(int i=0;i<3;i++)
+					cols.push_back(draw_col);
+
+				draw_primitive(pts,cols,Vector<Vector2>()); //small arrow
+
+				rect.pos=Vector2();
+				rect.expand_to(tip);
+				rect=rect.grow(0.707*tsize);
+
+			} else if (shape->cast_to<CircleShape2D>()) {
+
+				CircleShape2D *s = shape->cast_to<CircleShape2D>();
+				Vector<Vector2> points;
+				for(int i=0;i<24;i++) {
+
+					points.push_back(Vector2(Math::cos(i*Math_PI*2/24.0),Math::sin(i*Math_PI*2/24.0))*s->get_radius());
+				}
+
+				draw_colored_polygon(points,draw_col);
+				rect.pos=-Point2(s->get_radius(),s->get_radius());
+				rect.size=Point2(s->get_radius(),s->get_radius())*2.0;
+
+			} else if (shape->cast_to<RectangleShape2D>()) {
+
+				RectangleShape2D *s = shape->cast_to<RectangleShape2D>();
+				Vector2 he = s->get_extents();
+				rect=Rect2(-he,he*2.0);
+				draw_rect(rect,draw_col);;
+
+			} else if (shape->cast_to<CapsuleShape2D>()) {
+
+				CapsuleShape2D *s = shape->cast_to<CapsuleShape2D>();
+
+				Vector<Vector2> points;
+				for(int i=0;i<24;i++) {
+					Vector2 ofs = Vector2(0,(i>6 && i<=18) ? -s->get_height()*0.5 : s->get_height()*0.5);
+
+					points.push_back(Vector2(Math::sin(i*Math_PI*2/24.0),Math::cos(i*Math_PI*2/24.0))*s->get_radius() + ofs);
+					if (i==6 || i==18)
+						points.push_back(Vector2(Math::sin(i*Math_PI*2/24.0),Math::cos(i*Math_PI*2/24.0))*s->get_radius() - ofs);
+				}
+
+				draw_colored_polygon(points,draw_col);
+				Vector2 he=Point2(s->get_radius(),s->get_radius()+s->get_height()*0.5);
+				rect.pos=-he;
+				rect.size=he*2.0;
+
+			} else if (shape->cast_to<ConvexPolygonShape2D>()) {
+
+				ConvexPolygonShape2D *s = shape->cast_to<ConvexPolygonShape2D>();
+
+				Vector<Vector2> points = s->get_points();
+				for(int i=0;i<points.size();i++) {
+					if (i==0)
+						rect.pos=points[i];
+					else
+						rect.expand_to(points[i]);
+				}
+
+				draw_colored_polygon(points,draw_col);
+
+			}
+
+			rect=rect.grow(3);
+
+		} break;
+
+	}
+
+}
+
+void CollisionShape2D::set_shape(const Ref<Shape2D>& p_shape) {
+
+	if (shape.is_valid())
+		shape->disconnect("changed",this,"_shape_changed");
+	shape=p_shape;
+	update();
+	_update_parent();
+	if (shape.is_valid())
+		shape->connect("changed",this,"_shape_changed");
+
+}
+
+Ref<Shape2D> CollisionShape2D::get_shape() const {
+
+	return shape;
+}
+
+Rect2 CollisionShape2D::get_item_rect() const {
+
+	return rect;
+}
+
+void CollisionShape2D::set_trigger(bool p_trigger) {
+
+	trigger=p_trigger;
+	_update_parent();
+}
+
+bool CollisionShape2D::is_trigger() const{
+
+	return trigger;
+}
+
+void CollisionShape2D::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("set_shape","shape"),&CollisionShape2D::set_shape);
+	ObjectTypeDB::bind_method(_MD("get_shape"),&CollisionShape2D::get_shape);
+	ObjectTypeDB::bind_method(_MD("_shape_changed"),&CollisionShape2D::_shape_changed);
+	ObjectTypeDB::bind_method(_MD("_add_to_collision_object"),&CollisionShape2D::_add_to_collision_object);
+	ObjectTypeDB::bind_method(_MD("set_trigger","enable"),&CollisionShape2D::set_trigger);
+	ObjectTypeDB::bind_method(_MD("is_trigger"),&CollisionShape2D::is_trigger);
+
+	ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"shape",PROPERTY_HINT_RESOURCE_TYPE,"Shape2D"),_SCS("set_shape"),_SCS("get_shape"));
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL,"trigger"),_SCS("set_trigger"),_SCS("is_trigger"));
+}
+
+CollisionShape2D::CollisionShape2D() {
+
+	rect=Rect2(-Point2(10,10),Point2(20,20));
+
+	trigger=false;
+}