1 files changed, 82 insertions, 62 deletions

diff --git a/scene/2d/node_2d.cpp b/scene/2d/node_2d.cpp
index ac8a77b6cb..72250e96b3 100644
--- a/scene/2d/node_2d.cpp
+++ b/scene/2d/node_2d.cpp
@@ -37,25 +37,27 @@
 
 #ifdef TOOLS_ENABLED
 Dictionary Node2D::_edit_get_state() const {
-
 	Dictionary state;
 	state["position"] = get_position();
 	state["rotation"] = get_rotation();
 	state["scale"] = get_scale();
+	state["skew"] = get_skew();
 
 	return state;
 }
 
 void Node2D::_edit_set_state(const Dictionary &p_state) {
-
 	pos = p_state["position"];
 	angle = p_state["rotation"];
 	_scale = p_state["scale"];
+	skew = p_state["skew"];
 
 	_update_transform();
 	_change_notify("rotation");
 	_change_notify("rotation_degrees");
 	_change_notify("scale");
+	_change_notify("skew");
+	_change_notify("skew_degrees");
 	_change_notify("position");
 }
 
@@ -96,22 +98,26 @@ void Node2D::_edit_set_rect(const Rect2 &p_edit_rect) {
 	Rect2 r = _edit_get_rect();
 
 	Vector2 zero_offset;
-	if (r.size.x != 0)
+	if (r.size.x != 0) {
 		zero_offset.x = -r.position.x / r.size.x;
-	if (r.size.y != 0)
+	}
+	if (r.size.y != 0) {
 		zero_offset.y = -r.position.y / r.size.y;
+	}
 
 	Size2 new_scale(1, 1);
 
-	if (r.size.x != 0)
+	if (r.size.x != 0) {
 		new_scale.x = p_edit_rect.size.x / r.size.x;
-	if (r.size.y != 0)
+	}
+	if (r.size.y != 0) {
 		new_scale.y = p_edit_rect.size.y / r.size.y;
+	}
 
 	Point2 new_pos = p_edit_rect.position + p_edit_rect.size * zero_offset;
 
 	Transform2D postxf;
-	postxf.set_rotation_and_scale(angle, _scale);
+	postxf.set_rotation_scale_and_skew(angle, _scale, skew);
 	new_pos = postxf.xform(new_pos);
 
 	pos += new_pos;
@@ -124,140 +130,161 @@ void Node2D::_edit_set_rect(const Rect2 &p_edit_rect) {
 #endif
 
 void Node2D::_update_xform_values() {
-
 	pos = _mat.elements[2];
 	angle = _mat.get_rotation();
 	_scale = _mat.get_scale();
+	skew = _mat.get_skew();
 	_xform_dirty = false;
 }
 
 void Node2D::_update_transform() {
-
-	_mat.set_rotation_and_scale(angle, _scale);
+	_mat.set_rotation_scale_and_skew(angle, _scale, skew);
 	_mat.elements[2] = pos;
 
 	RenderingServer::get_singleton()->canvas_item_set_transform(get_canvas_item(), _mat);
 
-	if (!is_inside_tree())
+	if (!is_inside_tree()) {
 		return;
+	}
 
 	_notify_transform();
 }
 
 void Node2D::set_position(const Point2 &p_pos) {
-
-	if (_xform_dirty)
+	if (_xform_dirty) {
 		((Node2D *)this)->_update_xform_values();
+	}
 	pos = p_pos;
 	_update_transform();
 	_change_notify("position");
 }
 
 void Node2D::set_rotation(float p_radians) {
-
-	if (_xform_dirty)
+	if (_xform_dirty) {
 		((Node2D *)this)->_update_xform_values();
+	}
 	angle = p_radians;
 	_update_transform();
 	_change_notify("rotation");
 	_change_notify("rotation_degrees");
 }
 
-void Node2D::set_rotation_degrees(float p_degrees) {
+void Node2D::set_skew(float p_radians) {
+	if (_xform_dirty) {
+		((Node2D *)this)->_update_xform_values();
+	}
+	skew = p_radians;
+	_update_transform();
+	_change_notify("skew");
+	_change_notify("skew_degrees");
+}
 
+void Node2D::set_rotation_degrees(float p_degrees) {
 	set_rotation(Math::deg2rad(p_degrees));
 }
 
-void Node2D::set_scale(const Size2 &p_scale) {
+void Node2D::set_skew_degrees(float p_degrees) {
+	set_skew(Math::deg2rad(p_degrees));
+}
 
-	if (_xform_dirty)
+void Node2D::set_scale(const Size2 &p_scale) {
+	if (_xform_dirty) {
 		((Node2D *)this)->_update_xform_values();
+	}
 	_scale = p_scale;
 	// Avoid having 0 scale values, can lead to errors in physics and rendering.
-	if (_scale.x == 0)
+	if (_scale.x == 0) {
 		_scale.x = CMP_EPSILON;
-	if (_scale.y == 0)
+	}
+	if (_scale.y == 0) {
 		_scale.y = CMP_EPSILON;
+	}
 	_update_transform();
 	_change_notify("scale");
 }
 
 Point2 Node2D::get_position() const {
-
-	if (_xform_dirty)
+	if (_xform_dirty) {
 		((Node2D *)this)->_update_xform_values();
+	}
 	return pos;
 }
 
 float Node2D::get_rotation() const {
-	if (_xform_dirty)
+	if (_xform_dirty) {
 		((Node2D *)this)->_update_xform_values();
+	}
 
 	return angle;
 }
 
-float Node2D::get_rotation_degrees() const {
+float Node2D::get_skew() const {
+	if (_xform_dirty) {
+		((Node2D *)this)->_update_xform_values();
+	}
 
+	return skew;
+}
+
+float Node2D::get_rotation_degrees() const {
 	return Math::rad2deg(get_rotation());
 }
 
+float Node2D::get_skew_degrees() const {
+	return Math::rad2deg(get_skew());
+}
+
 Size2 Node2D::get_scale() const {
-	if (_xform_dirty)
+	if (_xform_dirty) {
 		((Node2D *)this)->_update_xform_values();
+	}
 
 	return _scale;
 }
 
 Transform2D Node2D::get_transform() const {
-
 	return _mat;
 }
 
 void Node2D::rotate(float p_radians) {
-
 	set_rotation(get_rotation() + p_radians);
 }
 
 void Node2D::translate(const Vector2 &p_amount) {
-
 	set_position(get_position() + p_amount);
 }
 
 void Node2D::global_translate(const Vector2 &p_amount) {
-
 	set_global_position(get_global_position() + p_amount);
 }
 
 void Node2D::apply_scale(const Size2 &p_amount) {
-
 	set_scale(get_scale() * p_amount);
 }
 
 void Node2D::move_x(float p_delta, bool p_scaled) {
-
 	Transform2D t = get_transform();
 	Vector2 m = t[0];
-	if (!p_scaled)
+	if (!p_scaled) {
 		m.normalize();
+	}
 	set_position(t[2] + m * p_delta);
 }
 
 void Node2D::move_y(float p_delta, bool p_scaled) {
-
 	Transform2D t = get_transform();
 	Vector2 m = t[1];
-	if (!p_scaled)
+	if (!p_scaled) {
 		m.normalize();
+	}
 	set_position(t[2] + m * p_delta);
 }
 
 Point2 Node2D::get_global_position() const {
-
 	return get_global_transform().get_origin();
 }
 
 void Node2D::set_global_position(const Point2 &p_pos) {
-
 	Transform2D inv;
 	CanvasItem *pi = get_parent_item();
 	if (pi) {
@@ -269,12 +296,10 @@ void Node2D::set_global_position(const Point2 &p_pos) {
 }
 
 float Node2D::get_global_rotation() const {
-
 	return get_global_transform().get_rotation();
 }
 
 void Node2D::set_global_rotation(float p_radians) {
-
 	CanvasItem *pi = get_parent_item();
 	if (pi) {
 		const float parent_global_rot = pi->get_global_transform().get_rotation();
@@ -285,22 +310,18 @@ void Node2D::set_global_rotation(float p_radians) {
 }
 
 float Node2D::get_global_rotation_degrees() const {
-
 	return Math::rad2deg(get_global_rotation());
 }
 
 void Node2D::set_global_rotation_degrees(float p_degrees) {
-
 	set_global_rotation(Math::deg2rad(p_degrees));
 }
 
 Size2 Node2D::get_global_scale() const {
-
 	return get_global_transform().get_scale();
 }
 
 void Node2D::set_global_scale(const Size2 &p_scale) {
-
 	CanvasItem *pi = get_parent_item();
 	if (pi) {
 		const Size2 parent_global_scale = pi->get_global_transform().get_scale();
@@ -311,29 +332,28 @@ void Node2D::set_global_scale(const Size2 &p_scale) {
 }
 
 void Node2D::set_transform(const Transform2D &p_transform) {
-
 	_mat = p_transform;
 	_xform_dirty = true;
 
 	RenderingServer::get_singleton()->canvas_item_set_transform(get_canvas_item(), _mat);
 
-	if (!is_inside_tree())
+	if (!is_inside_tree()) {
 		return;
+	}
 
 	_notify_transform();
 }
 
 void Node2D::set_global_transform(const Transform2D &p_transform) {
-
 	CanvasItem *pi = get_parent_item();
-	if (pi)
+	if (pi) {
 		set_transform(pi->get_global_transform().affine_inverse() * p_transform);
-	else
+	} else {
 		set_transform(p_transform);
+	}
 }
 
 void Node2D::set_z_index(int p_z) {
-
 	ERR_FAIL_COND(p_z < RS::CANVAS_ITEM_Z_MIN);
 	ERR_FAIL_COND(p_z > RS::CANVAS_ITEM_Z_MAX);
 	z_index = p_z;
@@ -342,67 +362,65 @@ void Node2D::set_z_index(int p_z) {
 }
 
 void Node2D::set_z_as_relative(bool p_enabled) {
-
-	if (z_relative == p_enabled)
+	if (z_relative == p_enabled) {
 		return;
+	}
 	z_relative = p_enabled;
 	RS::get_singleton()->canvas_item_set_z_as_relative_to_parent(get_canvas_item(), p_enabled);
 }
 
 bool Node2D::is_z_relative() const {
-
 	return z_relative;
 }
 
 int Node2D::get_z_index() const {
-
 	return z_index;
 }
 
 Transform2D Node2D::get_relative_transform_to_parent(const Node *p_parent) const {
-
-	if (p_parent == this)
+	if (p_parent == this) {
 		return Transform2D();
+	}
 
 	Node2D *parent_2d = Object::cast_to<Node2D>(get_parent());
 
 	ERR_FAIL_COND_V(!parent_2d, Transform2D());
-	if (p_parent == parent_2d)
+	if (p_parent == parent_2d) {
 		return get_transform();
-	else
+	} else {
 		return parent_2d->get_relative_transform_to_parent(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 (to_local(p_pos) * get_scale()).angle();
 }
 
 Point2 Node2D::to_local(Point2 p_global) const {
-
 	return get_global_transform().affine_inverse().xform(p_global);
 }
 
 Point2 Node2D::to_global(Point2 p_local) const {
-
 	return get_global_transform().xform(p_local);
 }
 
 void Node2D::_bind_methods() {
-
 	ClassDB::bind_method(D_METHOD("set_position", "position"), &Node2D::set_position);
 	ClassDB::bind_method(D_METHOD("set_rotation", "radians"), &Node2D::set_rotation);
 	ClassDB::bind_method(D_METHOD("set_rotation_degrees", "degrees"), &Node2D::set_rotation_degrees);
+	ClassDB::bind_method(D_METHOD("set_skew", "radians"), &Node2D::set_skew);
+	ClassDB::bind_method(D_METHOD("set_skew_degrees", "degrees"), &Node2D::set_skew_degrees);
 	ClassDB::bind_method(D_METHOD("set_scale", "scale"), &Node2D::set_scale);
 
 	ClassDB::bind_method(D_METHOD("get_position"), &Node2D::get_position);
 	ClassDB::bind_method(D_METHOD("get_rotation"), &Node2D::get_rotation);
 	ClassDB::bind_method(D_METHOD("get_rotation_degrees"), &Node2D::get_rotation_degrees);
+	ClassDB::bind_method(D_METHOD("get_skew"), &Node2D::get_skew);
+	ClassDB::bind_method(D_METHOD("get_skew_degrees"), &Node2D::get_skew_degrees);
 	ClassDB::bind_method(D_METHOD("get_scale"), &Node2D::get_scale);
 
 	ClassDB::bind_method(D_METHOD("rotate", "radians"), &Node2D::rotate);
@@ -443,6 +461,8 @@ void Node2D::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "rotation", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_rotation", "get_rotation");
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "rotation_degrees", PROPERTY_HINT_RANGE, "-360,360,0.1,or_lesser,or_greater", PROPERTY_USAGE_EDITOR), "set_rotation_degrees", "get_rotation_degrees");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scale"), "set_scale", "get_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "skew", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_skew", "get_skew");
+	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "skew_degrees", PROPERTY_HINT_RANGE, "-89.9,89.9,0.1", PROPERTY_USAGE_EDITOR), "set_skew_degrees", "get_skew_degrees");
 	ADD_PROPERTY(PropertyInfo(Variant::TRANSFORM2D, "transform", PROPERTY_HINT_NONE, "", 0), "set_transform", "get_transform");
 
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "global_position", PROPERTY_HINT_NONE, "", 0), "set_global_position", "get_global_position");
@@ -457,9 +477,9 @@ void Node2D::_bind_methods() {
 }
 
 Node2D::Node2D() {
-
 	angle = 0;
 	_scale = Vector2(1, 1);
+	skew = 0;
 	_xform_dirty = false;
 	z_index = 0;
 	z_relative = true;