From aa82cb6f35f76ba89c7d7cafe023d1e574045182 Mon Sep 17 00:00:00 2001 From: Vincent D <40196601+deakcor@users.noreply.github.com> Date: Thu, 2 Sep 2021 11:36:19 +0200 Subject: Expose get_skew for transform2d and add new constructor Expose set_scale and set_skew for transform2d Replacing float by real_t Adding const parameters Updated transform2d doc --- core/math/transform_2d.cpp | 22 +++++++++++++++------- core/math/transform_2d.h | 27 +++++++++++++++------------ core/variant/variant_call.cpp | 3 +++ core/variant/variant_construct.cpp | 1 + 4 files changed, 34 insertions(+), 19 deletions(-) (limited to 'core') diff --git a/core/math/transform_2d.cpp b/core/math/transform_2d.cpp index 16934d67df..060b619892 100644 --- a/core/math/transform_2d.cpp +++ b/core/math/transform_2d.cpp @@ -63,7 +63,7 @@ Transform2D Transform2D::affine_inverse() const { return inv; } -void Transform2D::rotate(real_t p_phi) { +void Transform2D::rotate(const real_t p_phi) { *this = Transform2D(p_phi, Vector2()) * (*this); } @@ -72,7 +72,7 @@ real_t Transform2D::get_skew() const { return Math::acos(elements[0].normalized().dot(SGN(det) * elements[1].normalized())) - Math_PI * 0.5; } -void Transform2D::set_skew(float p_angle) { +void Transform2D::set_skew(const real_t p_angle) { real_t det = basis_determinant(); elements[1] = SGN(det) * elements[0].rotated((Math_PI * 0.5 + p_angle)).normalized() * elements[1].length(); } @@ -81,7 +81,7 @@ real_t Transform2D::get_rotation() const { return Math::atan2(elements[0].y, elements[0].x); } -void Transform2D::set_rotation(real_t p_rot) { +void Transform2D::set_rotation(const real_t p_rot) { Size2 scale = get_scale(); real_t cr = Math::cos(p_rot); real_t sr = Math::sin(p_rot); @@ -92,7 +92,7 @@ void Transform2D::set_rotation(real_t p_rot) { set_scale(scale); } -Transform2D::Transform2D(real_t p_rot, const Vector2 &p_pos) { +Transform2D::Transform2D(const real_t p_rot, const Vector2 &p_pos) { real_t cr = Math::cos(p_rot); real_t sr = Math::sin(p_rot); elements[0][0] = cr; @@ -102,6 +102,14 @@ Transform2D::Transform2D(real_t p_rot, const Vector2 &p_pos) { elements[2] = p_pos; } +Transform2D::Transform2D(const real_t p_rot, const Size2 &p_scale, const real_t p_skew, const Vector2 &p_pos) { + elements[0][0] = Math::cos(p_rot) * p_scale.x; + elements[1][1] = Math::cos(p_rot + p_skew) * p_scale.y; + elements[1][0] = -Math::sin(p_rot + p_skew) * p_scale.y; + elements[0][1] = Math::sin(p_rot) * p_scale.x; + elements[2] = p_pos; +} + Size2 Transform2D::get_scale() const { real_t det_sign = SGN(basis_determinant()); return Size2(elements[0].length(), det_sign * elements[1].length()); @@ -126,7 +134,7 @@ void Transform2D::scale_basis(const Size2 &p_scale) { elements[1][1] *= p_scale.y; } -void Transform2D::translate(real_t p_tx, real_t p_ty) { +void Transform2D::translate(const real_t p_tx, const real_t p_ty) { translate(Vector2(p_tx, p_ty)); } @@ -231,7 +239,7 @@ Transform2D Transform2D::translated(const Vector2 &p_offset) const { return copy; } -Transform2D Transform2D::rotated(real_t p_phi) const { +Transform2D Transform2D::rotated(const real_t p_phi) const { Transform2D copy = *this; copy.rotate(p_phi); return copy; @@ -241,7 +249,7 @@ real_t Transform2D::basis_determinant() const { return elements[0].x * elements[1].y - elements[0].y * elements[1].x; } -Transform2D Transform2D::interpolate_with(const Transform2D &p_transform, real_t p_c) const { +Transform2D Transform2D::interpolate_with(const Transform2D &p_transform, const real_t p_c) const { //extract parameters Vector2 p1 = get_origin(); Vector2 p2 = p_transform.get_origin(); diff --git a/core/math/transform_2d.h b/core/math/transform_2d.h index 34cfd0c1a9..6ed3af2ba7 100644 --- a/core/math/transform_2d.h +++ b/core/math/transform_2d.h @@ -68,17 +68,17 @@ struct Transform2D { void affine_invert(); Transform2D affine_inverse() const; - void set_rotation(real_t p_rot); + void set_rotation(const real_t p_rot); real_t get_rotation() const; real_t get_skew() const; - void set_skew(float p_angle); - _FORCE_INLINE_ void set_rotation_and_scale(real_t p_rot, const Size2 &p_scale); - _FORCE_INLINE_ void set_rotation_scale_and_skew(real_t p_rot, const Size2 &p_scale, float p_skew); - void rotate(real_t p_phi); + void set_skew(const real_t p_angle); + _FORCE_INLINE_ void set_rotation_and_scale(const real_t p_rot, const Size2 &p_scale); + _FORCE_INLINE_ void set_rotation_scale_and_skew(const real_t p_rot, const Size2 &p_scale, const real_t p_skew); + void rotate(const real_t p_phi); void scale(const Size2 &p_scale); void scale_basis(const Size2 &p_scale); - void translate(real_t p_tx, real_t p_ty); + void translate(const real_t p_tx, const real_t p_ty); void translate(const Vector2 &p_translation); real_t basis_determinant() const; @@ -92,7 +92,7 @@ struct Transform2D { Transform2D scaled(const Size2 &p_scale) const; Transform2D basis_scaled(const Size2 &p_scale) const; Transform2D translated(const Vector2 &p_offset) const; - Transform2D rotated(real_t p_phi) const; + Transform2D rotated(const real_t p_phi) const; Transform2D untranslated() const; @@ -110,7 +110,7 @@ struct Transform2D { void operator*=(const real_t p_val); Transform2D operator*(const real_t p_val) const; - Transform2D interpolate_with(const Transform2D &p_transform, real_t p_c) const; + Transform2D interpolate_with(const Transform2D &p_transform, const real_t p_c) const; _FORCE_INLINE_ Vector2 basis_xform(const Vector2 &p_vec) const; _FORCE_INLINE_ Vector2 basis_xform_inv(const Vector2 &p_vec) const; @@ -123,7 +123,7 @@ struct Transform2D { operator String() const; - Transform2D(real_t xx, real_t xy, real_t yx, real_t yy, real_t ox, real_t oy) { + Transform2D(const real_t xx, const real_t xy, const real_t yx, const real_t yy, const real_t ox, const real_t oy) { elements[0][0] = xx; elements[0][1] = xy; elements[1][0] = yx; @@ -138,7 +138,10 @@ struct Transform2D { elements[2] = p_origin; } - Transform2D(real_t p_rot, const Vector2 &p_pos); + Transform2D(const real_t p_rot, const Vector2 &p_pos); + + Transform2D(const real_t p_rot, const Size2 &p_scale, const real_t p_skew, const Vector2 &p_pos); + Transform2D() { elements[0][0] = 1.0; elements[1][1] = 1.0; @@ -185,14 +188,14 @@ Rect2 Transform2D::xform(const Rect2 &p_rect) const { return new_rect; } -void Transform2D::set_rotation_and_scale(real_t p_rot, const Size2 &p_scale) { +void Transform2D::set_rotation_and_scale(const real_t p_rot, const Size2 &p_scale) { elements[0][0] = Math::cos(p_rot) * p_scale.x; elements[1][1] = Math::cos(p_rot) * p_scale.y; elements[1][0] = -Math::sin(p_rot) * p_scale.y; elements[0][1] = Math::sin(p_rot) * p_scale.x; } -void Transform2D::set_rotation_scale_and_skew(real_t p_rot, const Size2 &p_scale, float p_skew) { +void Transform2D::set_rotation_scale_and_skew(const real_t p_rot, const Size2 &p_scale, const real_t p_skew) { elements[0][0] = Math::cos(p_rot) * p_scale.x; elements[1][1] = Math::cos(p_rot + p_skew) * p_scale.y; elements[1][0] = -Math::sin(p_rot + p_skew) * p_scale.y; diff --git a/core/variant/variant_call.cpp b/core/variant/variant_call.cpp index 39207df9e7..ddc545abf6 100644 --- a/core/variant/variant_call.cpp +++ b/core/variant/variant_call.cpp @@ -1703,6 +1703,7 @@ static void _register_variant_builtin_methods() { bind_method(Transform2D, get_rotation, sarray(), varray()); bind_method(Transform2D, get_origin, sarray(), varray()); bind_method(Transform2D, get_scale, sarray(), varray()); + bind_method(Transform2D, get_skew, sarray(), varray()); bind_method(Transform2D, orthonormalized, sarray(), varray()); bind_method(Transform2D, rotated, sarray("phi"), varray()); bind_method(Transform2D, scaled, sarray("scale"), varray()); @@ -1712,6 +1713,8 @@ static void _register_variant_builtin_methods() { bind_method(Transform2D, interpolate_with, sarray("xform", "weight"), varray()); bind_method(Transform2D, is_equal_approx, sarray("xform"), varray()); bind_method(Transform2D, set_rotation, sarray("rotation"), varray()); + bind_method(Transform2D, set_scale, sarray("scale"), varray()); + bind_method(Transform2D, set_skew, sarray("skew"), varray()); bind_method(Transform2D, looking_at, sarray("target"), varray(Vector2())); /* Basis */ diff --git a/core/variant/variant_construct.cpp b/core/variant/variant_construct.cpp index a1a2bec369..4317b9dc98 100644 --- a/core/variant/variant_construct.cpp +++ b/core/variant/variant_construct.cpp @@ -114,6 +114,7 @@ void Variant::_register_variant_constructors() { add_constructor>(sarray()); add_constructor>(sarray("from")); add_constructor>(sarray("rotation", "position")); + add_constructor>(sarray("rotation", "scale", "skew", "position")); add_constructor>(sarray("x_axis", "y_axis", "origin")); add_constructor>(sarray()); -- cgit v1.2.3