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-rw-r--r--core/math/transform_2d.cpp22
-rw-r--r--core/math/transform_2d.h27
2 files changed, 30 insertions, 19 deletions
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;