2D Animation Improvements

-=-=-=-=-=-=-=-=-=--=-=-=

-Ability to set 2D nodes as bones
-Abity to set 2D nodes as IK chains
-2D IK Solver
-Improvements in the UI for adding keyframes (separate loc,rot,scale buttons)

1 files changed, 3 insertions, 0 deletions

diff --git a/core/math/math_2d.h b/core/math/math_2d.h
index 2c8749f79d..3cc5bdc843 100644
--- a/core/math/math_2d.h
+++ b/core/math/math_2d.h
@@ -553,6 +553,9 @@ struct Matrix32 {
 	void scale_basis(const Vector2& p_scale);
 	void translate( real_t p_tx, real_t p_ty);
 	void translate( const Vector2& p_translation );
+
+	float basis_determinant() const;
+
 	Vector2 get_scale() const;
 
 	_FORCE_INLINE_ const Vector2& get_origin() const { return elements[2]; }