From 3936ed882c6f39c74a3b124a95d5adc5e61ab3c5 Mon Sep 17 00:00:00 2001
From: Juan Linietsky
Date: Tue, 12 May 2015 08:17:09 -0300
Subject: -Added lookat/get_angle_to functions in 2D, and a demo, closes #1843
 -Added get_viewport().get_mouse_pos() to replace Input.get_mouse_pos(),
 closes #1838

---
 scene/2d/node_2d.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'scene/2d/node_2d.cpp')

diff --git a/scene/2d/node_2d.cpp b/scene/2d/node_2d.cpp
index fc5be255c..99c33c787 100644
--- a/scene/2d/node_2d.cpp
+++ b/scene/2d/node_2d.cpp
@@ -346,6 +346,17 @@ Matrix32 Node2D::get_relative_transform(const Node *p_parent) const {
 		return parent_2d->get_relative_transform(p_parent) * get_transform();
 }
 
+
+void Node2D::look_at(const Vector2& p_pos) {
+
+	rotate(get_angle_to(p_pos));
+}
+
+float Node2D::get_angle_to(const Vector2& p_pos) const {
+
+	return (get_global_transform().affine_inverse().xform(p_pos)).atan2();
+}
+
 void Node2D::_bind_methods() {
 
 
@@ -374,6 +385,9 @@ void Node2D::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("set_transform","xform"),&Node2D::set_transform);
 	ObjectTypeDB::bind_method(_MD("set_global_transform","xform"),&Node2D::set_global_transform);
 
+	ObjectTypeDB::bind_method(_MD("look_at","point"),&Node2D::look_at);
+	ObjectTypeDB::bind_method(_MD("get_angle_to","point"),&Node2D::get_angle_to);
+
 	ObjectTypeDB::bind_method(_MD("set_z","z"),&Node2D::set_z);
 	ObjectTypeDB::bind_method(_MD("get_z"),&Node2D::get_z);
 
-- 
cgit v1.2.3-70-g09d2