From 7494a8c3c6738ae212cc9ec62eb478056b846e3d Mon Sep 17 00:00:00 2001
From: Karol Walasek <coreconviction@gmail.com>
Date: Tue, 9 Aug 2016 19:52:15 +0200
Subject: Added force_raycast_update GDScript method for RayCast[2D]

---
 scene/2d/ray_cast_2d.cpp | 48 +++++++++++++++++++++++++++---------------------
 scene/2d/ray_cast_2d.h   |  3 +++
 2 files changed, 30 insertions(+), 21 deletions(-)

(limited to 'scene/2d')

diff --git a/scene/2d/ray_cast_2d.cpp b/scene/2d/ray_cast_2d.cpp
index b5d62adfb4..bd7f4faae5 100644
--- a/scene/2d/ray_cast_2d.cpp
+++ b/scene/2d/ray_cast_2d.cpp
@@ -187,39 +187,44 @@ void RayCast2D::_notification(int p_what) {
 			if (!enabled)
 				break;
 
+			_update_raycast_state();
 
 
-			Ref<World2D> w2d = get_world_2d();
-			ERR_BREAK( w2d.is_null() );
-
-			Physics2DDirectSpaceState *dss = Physics2DServer::get_singleton()->space_get_direct_state(w2d->get_space());
-			ERR_BREAK( !dss );
-
-			Matrix32 gt = get_global_transform();
+		} break;
+	}
+}
 
-			Vector2 to = cast_to;
-			if (to==Vector2())
-				to=Vector2(0,0.01);
+void RayCast2D::_update_raycast_state() {
+	Ref<World2D> w2d = get_world_2d();
+	ERR_FAIL_COND( w2d.is_null() );
 
-			Physics2DDirectSpaceState::RayResult rr;
+	Physics2DDirectSpaceState *dss = Physics2DServer::get_singleton()->space_get_direct_state(w2d->get_space());
+	ERR_FAIL_COND( !dss );
 
-			if (dss->intersect_ray(gt.get_origin(),gt.xform(to),rr,exclude,layer_mask,type_mask)) {
+	Matrix32 gt = get_global_transform();
 
-				collided=true;
-				against=rr.collider_id;
-				collision_point=rr.position;
-				collision_normal=rr.normal;
-				against_shape=rr.shape;
-			} else {
-				collided=false;
-			}
+	Vector2 to = cast_to;
+	if (to==Vector2())
+		to=Vector2(0,0.01);
 
+	Physics2DDirectSpaceState::RayResult rr;
 
+	if (dss->intersect_ray(gt.get_origin(),gt.xform(to),rr,exclude,layer_mask,type_mask)) {
 
-		} break;
+		collided=true;
+		against=rr.collider_id;
+		collision_point=rr.position;
+		collision_normal=rr.normal;
+		against_shape=rr.shape;
+	} else {
+		collided=false;
 	}
 }
 
+void RayCast2D::force_raycast_update() {
+	_update_raycast_state();
+}
+
 void RayCast2D::add_exception_rid(const RID& p_rid) {
 
 	exclude.insert(p_rid);
@@ -265,6 +270,7 @@ void RayCast2D::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("get_cast_to"),&RayCast2D::get_cast_to);
 
 	ObjectTypeDB::bind_method(_MD("is_colliding"),&RayCast2D::is_colliding);
+	ObjectTypeDB::bind_method(_MD("force_raycast_update"),&RayCast2D::force_raycast_update);
 
 	ObjectTypeDB::bind_method(_MD("get_collider"),&RayCast2D::get_collider);
 	ObjectTypeDB::bind_method(_MD("get_collider_shape"),&RayCast2D::get_collider_shape);
diff --git a/scene/2d/ray_cast_2d.h b/scene/2d/ray_cast_2d.h
index e1caa8b63e..9bdcc2e199 100644
--- a/scene/2d/ray_cast_2d.h
+++ b/scene/2d/ray_cast_2d.h
@@ -52,6 +52,7 @@ class RayCast2D : public Node2D {
 protected:
 
 	void _notification(int p_what);
+	void _update_raycast_state();
 	static void _bind_methods();
 public:
 
@@ -70,6 +71,8 @@ public:
 	void set_exclude_parent_body(bool p_exclude_parent_body);
 	bool get_exclude_parent_body() const;
 
+	void force_raycast_update();
+
 	bool is_colliding() const;
 	Object *get_collider() const;
 	int get_collider_shape() const;
-- 
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