Add p_use_model_front to Basis::looking_at()

(cherry picked from commit 02fd535)

Author: Flarkk

include/godot_cpp/variant/basis.hpp

@@ -224,7 +224,7 @@ struct _NO_DISCARD_ Basis {
 
 	operator Quaternion() const { return get_quaternion(); }
 
-	static Basis looking_at(const Vector3 &p_target, const Vector3 &p_up = Vector3(0, 1, 0));
+	static Basis looking_at(const Vector3 &p_target, const Vector3 &p_up = Vector3(0, 1, 0), bool p_use_model_front = false);
 
 	Basis(const Quaternion &p_quaternion) { set_quaternion(p_quaternion); }
 	Basis(const Quaternion &p_quaternion, const Vector3 &p_scale) { set_quaternion_scale(p_quaternion, p_scale); }

src/variant/basis.cpp

@@ -1037,12 +1037,15 @@ void Basis::rotate_sh(real_t *p_values) {
 	p_values[8] = d4 * s_scale_dst4;
 }
 
-Basis Basis::looking_at(const Vector3 &p_target, const Vector3 &p_up) {
+Basis Basis::looking_at(const Vector3 &p_target, const Vector3 &p_up, bool p_use_model_front) {
 #ifdef MATH_CHECKS
 	ERR_FAIL_COND_V_MSG(p_target.is_zero_approx(), Basis(), "The target vector can't be zero.");
 	ERR_FAIL_COND_V_MSG(p_up.is_zero_approx(), Basis(), "The up vector can't be zero.");
 #endif
-	Vector3 v_z = -p_target.normalized();
+	Vector3 v_z = p_target.normalized();
+	if (!p_use_model_front) {
+		v_z = -v_z;
+	}
 	Vector3 v_x = p_up.cross(v_z);
 #ifdef MATH_CHECKS
 	ERR_FAIL_COND_V_MSG(v_x.is_zero_approx(), Basis(), "The target vector and up vector can't be parallel to each other.");