Remove Quat set methods in favour of constructors

core/math/quat.cpp

@@ -33,32 +33,6 @@
 #include "core/math/basis.h"
 #include "core/string/print_string.h"
 
-// set_euler_xyz expects a vector containing the Euler angles in the format
-// (ax,ay,az), where ax is the angle of rotation around x axis,
-// and similar for other axes.
-// This implementation uses XYZ convention (Z is the first rotation).
-void Quat::set_euler_xyz(const Vector3 &p_euler) {
-	real_t half_a1 = p_euler.x * 0.5;
-	real_t half_a2 = p_euler.y * 0.5;
-	real_t half_a3 = p_euler.z * 0.5;
-
-	// R = X(a1).Y(a2).Z(a3) convention for Euler angles.
-	// Conversion to quaternion as listed in https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770024290.pdf (page A-2)
-	// a3 is the angle of the first rotation, following the notation in this reference.
-
-	real_t cos_a1 = Math::cos(half_a1);
-	real_t sin_a1 = Math::sin(half_a1);
-	real_t cos_a2 = Math::cos(half_a2);
-	real_t sin_a2 = Math::sin(half_a2);
-	real_t cos_a3 = Math::cos(half_a3);
-	real_t sin_a3 = Math::sin(half_a3);
-
-	set(sin_a1 * cos_a2 * cos_a3 + sin_a2 * sin_a3 * cos_a1,
-			-sin_a1 * sin_a3 * cos_a2 + sin_a2 * cos_a1 * cos_a3,
-			sin_a1 * sin_a2 * cos_a3 + sin_a3 * cos_a1 * cos_a2,
-			-sin_a1 * sin_a2 * sin_a3 + cos_a1 * cos_a2 * cos_a3);
-}
-
 // get_euler_xyz returns a vector containing the Euler angles in the format
 // (ax,ay,az), where ax is the angle of rotation around x axis,
 // and similar for other axes.
@@ -68,32 +42,6 @@ Vector3 Quat::get_euler_xyz() const {
 	return m.get_euler_xyz();
 }
 
-// set_euler_yxz expects a vector containing the Euler angles in the format
-// (ax,ay,az), where ax is the angle of rotation around x axis,
-// and similar for other axes.
-// This implementation uses YXZ convention (Z is the first rotation).
-void Quat::set_euler_yxz(const Vector3 &p_euler) {
-	real_t half_a1 = p_euler.y * 0.5;
-	real_t half_a2 = p_euler.x * 0.5;
-	real_t half_a3 = p_euler.z * 0.5;
-
-	// R = Y(a1).X(a2).Z(a3) convention for Euler angles.
-	// Conversion to quaternion as listed in https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770024290.pdf (page A-6)
-	// a3 is the angle of the first rotation, following the notation in this reference.
-
-	real_t cos_a1 = Math::cos(half_a1);
-	real_t sin_a1 = Math::sin(half_a1);
-	real_t cos_a2 = Math::cos(half_a2);
-	real_t sin_a2 = Math::sin(half_a2);
-	real_t cos_a3 = Math::cos(half_a3);
-	real_t sin_a3 = Math::sin(half_a3);
-
-	set(sin_a1 * cos_a2 * sin_a3 + cos_a1 * sin_a2 * cos_a3,
-			sin_a1 * cos_a2 * cos_a3 - cos_a1 * sin_a2 * sin_a3,
-			-sin_a1 * sin_a2 * cos_a3 + cos_a1 * cos_a2 * sin_a3,
-			sin_a1 * sin_a2 * sin_a3 + cos_a1 * cos_a2 * cos_a3);
-}
-
 // get_euler_yxz returns a vector containing the Euler angles in the format
 // (ax,ay,az), where ax is the angle of rotation around x axis,
 // and similar for other axes.
@@ -107,10 +55,10 @@ Vector3 Quat::get_euler_yxz() const {
 }
 
 void Quat::operator*=(const Quat &p_q) {
-	set(w * p_q.x + x * p_q.w + y * p_q.z - z * p_q.y,
-			w * p_q.y + y * p_q.w + z * p_q.x - x * p_q.z,
-			w * p_q.z + z * p_q.w + x * p_q.y - y * p_q.x,
-			w * p_q.w - x * p_q.x - y * p_q.y - z * p_q.z);
+	x = w * p_q.x + x * p_q.w + y * p_q.z - z * p_q.y;
+	y = w * p_q.y + y * p_q.w + z * p_q.x - x * p_q.z;
+	z = w * p_q.z + z * p_q.w + x * p_q.y - y * p_q.x;
+	w = w * p_q.w - x * p_q.x - y * p_q.y - z * p_q.z;
 }
 
 Quat Quat::operator*(const Quat &p_q) const {
@@ -233,18 +181,49 @@ Quat::operator String() const {
 	return String::num(x) + ", " + String::num(y) + ", " + String::num(z) + ", " + String::num(w);
 }
 
-void Quat::set_axis_angle(const Vector3 &axis, const real_t &angle) {
+Quat::Quat(const Vector3 &p_axis, real_t p_angle) {
 #ifdef MATH_CHECKS
-	ERR_FAIL_COND_MSG(!axis.is_normalized(), "The axis Vector3 must be normalized.");
+	ERR_FAIL_COND_MSG(!p_axis.is_normalized(), "The axis Vector3 must be normalized.");
 #endif
-	real_t d = axis.length();
+	real_t d = p_axis.length();
 	if (d == 0) {
-		set(0, 0, 0, 0);
+		x = 0;
+		y = 0;
+		z = 0;
+		w = 0;
 	} else {
-		real_t sin_angle = Math::sin(angle * 0.5);
-		real_t cos_angle = Math::cos(angle * 0.5);
+		real_t sin_angle = Math::sin(p_angle * 0.5);
+		real_t cos_angle = Math::cos(p_angle * 0.5);
 		real_t s = sin_angle / d;
-		set(axis.x * s, axis.y * s, axis.z * s,
-				cos_angle);
+		x = p_axis.x * s;
+		y = p_axis.y * s;
+		z = p_axis.z * s;
+		w = cos_angle;
 	}
 }
+
+// Euler constructor expects a vector containing the Euler angles in the format
+// (ax, ay, az), where ax is the angle of rotation around x axis,
+// and similar for other axes.
+// This implementation uses YXZ convention (Z is the first rotation).
+Quat::Quat(const Vector3 &p_euler) {
+	real_t half_a1 = p_euler.y * 0.5;
+	real_t half_a2 = p_euler.x * 0.5;
+	real_t half_a3 = p_euler.z * 0.5;
+
+	// R = Y(a1).X(a2).Z(a3) convention for Euler angles.
+	// Conversion to quaternion as listed in https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770024290.pdf (page A-6)
+	// a3 is the angle of the first rotation, following the notation in this reference.
+
+	real_t cos_a1 = Math::cos(half_a1);
+	real_t sin_a1 = Math::sin(half_a1);
+	real_t cos_a2 = Math::cos(half_a2);
+	real_t sin_a2 = Math::sin(half_a2);
+	real_t cos_a3 = Math::cos(half_a3);
+	real_t sin_a3 = Math::sin(half_a3);
+
+	x = sin_a1 * cos_a2 * sin_a3 + cos_a1 * sin_a2 * cos_a3;
+	y = sin_a1 * cos_a2 * cos_a3 - cos_a1 * sin_a2 * sin_a3;
+	z = -sin_a1 * sin_a2 * cos_a3 + cos_a1 * cos_a2 * sin_a3;
+	w = sin_a1 * sin_a2 * sin_a3 + cos_a1 * cos_a2 * cos_a3;
+}

core/math/quat.h

@@ -65,19 +65,14 @@ class Quat {
 	Quat inverse() const;
 	_FORCE_INLINE_ real_t dot(const Quat &p_q) const;
 
-	void set_euler_xyz(const Vector3 &p_euler);
 	Vector3 get_euler_xyz() const;
-	void set_euler_yxz(const Vector3 &p_euler);
 	Vector3 get_euler_yxz() const;
-
-	void set_euler(const Vector3 &p_euler) { set_euler_yxz(p_euler); };
 	Vector3 get_euler() const { return get_euler_yxz(); };
 
 	Quat slerp(const Quat &p_to, const real_t &p_weight) const;
 	Quat slerpni(const Quat &p_to, const real_t &p_weight) const;
 	Quat cubic_slerp(const Quat &p_b, const Quat &p_pre_a, const Quat &p_post_b, const real_t &p_weight) const;
 
-	void set_axis_angle(const Vector3 &axis, const real_t &angle);
 	_FORCE_INLINE_ void get_axis_angle(Vector3 &r_axis, real_t &r_angle) const {
 		r_angle = 2 * Math::acos(w);
 		real_t r = ((real_t)1) / Math::sqrt(1 - w * w);
@@ -124,23 +119,19 @@ class Quat {
 
 	operator String() const;
 
-	inline void set(real_t p_x, real_t p_y, real_t p_z, real_t p_w) {
-		x = p_x;
-		y = p_y;
-		z = p_z;
-		w = p_w;
-	}
-
 	_FORCE_INLINE_ Quat() {}
+
 	_FORCE_INLINE_ Quat(real_t p_x, real_t p_y, real_t p_z, real_t p_w) :
 			x(p_x),
 			y(p_y),
 			z(p_z),
 			w(p_w) {
 	}
-	Quat(const Vector3 &axis, const real_t &angle) { set_axis_angle(axis, angle); }
 
-	Quat(const Vector3 &euler) { set_euler(euler); }
+	Quat(const Vector3 &p_axis, real_t p_angle);
+
+	Quat(const Vector3 &p_euler);
+
 	Quat(const Quat &p_q) :
 			x(p_q.x),
 			y(p_q.y),

core/variant/variant_call.cpp

@@ -1126,10 +1126,6 @@ static void _register_variant_builtin_methods() {
 	bind_method(Quat, cubic_slerp, sarray("b", "pre_a", "post_b", "weight"), varray());
 	bind_method(Quat, get_euler, sarray(), varray());
 
-	// FIXME: Quat is atomic, this should be done via construcror
-	//ADDFUNC1(QUAT, NIL, Quat, set_euler, VECTOR3, "euler", varray());
-	//ADDFUNC2(QUAT, NIL, Quat, set_axis_angle, VECTOR3, "axis", FLOAT, "angle", varray());
-
 	/* Color */
 
 	bind_method(Color, to_argb32, sarray(), varray());

modules/gltf/gltf_document.cpp

@@ -5287,8 +5287,7 @@ void GLTFDocument::_convert_mult_mesh_instance_to_gltf(Node *p_scene_parent, con
 				transform.origin =
 						Vector3(xform_2d.get_origin().x, 0, xform_2d.get_origin().y);
 				real_t rotation = xform_2d.get_rotation();
-				Quat quat;
-				quat.set_axis_angle(Vector3(0, 1, 0), rotation);
+				Quat quat(Vector3(0, 1, 0), rotation);
 				Size2 scale = xform_2d.get_scale();
 				transform.basis.set_quat_scale(quat,
 						Vector3(scale.x, 0, scale.y));
@@ -6040,14 +6039,12 @@ GLTFAnimation::Track GLTFDocument::_convert_animation_track(Ref<GLTFState> state
 			p_track.rotation_track.interpolation = gltf_interpolation;
 
 			for (int32_t key_i = 0; key_i < key_count; key_i++) {
-				Quat rotation;
 				Vector3 rotation_degrees = p_animation->track_get_key_value(p_track_i, key_i);
 				Vector3 rotation_radian;
 				rotation_radian.x = Math::deg2rad(rotation_degrees.x);
 				rotation_radian.y = Math::deg2rad(rotation_degrees.y);
 				rotation_radian.z = Math::deg2rad(rotation_degrees.z);
-				rotation.set_euler(rotation_radian);
-				p_track.rotation_track.values.write[key_i] = rotation;
+				p_track.rotation_track.values.write[key_i] = Quat(rotation_radian);
 			}
 		} else if (path.find(":scale") != -1) {
 			p_track.scale_track.times = times;