From 9f3ae0adcd734a16c299cd0f023212478b3960d3 Mon Sep 17 00:00:00 2001 From: Aaron Franke Date: Tue, 20 Jul 2021 23:32:00 -0400 Subject: Move code for looking_at to Basis --- core/math/transform_3d.cpp | 32 ++------------------------------ 1 file changed, 2 insertions(+), 30 deletions(-) (limited to 'core/math/transform_3d.cpp') diff --git a/core/math/transform_3d.cpp b/core/math/transform_3d.cpp index 51766b39f4..4f4943c8ef 100644 --- a/core/math/transform_3d.cpp +++ b/core/math/transform_3d.cpp @@ -71,40 +71,12 @@ void Transform3D::rotate_basis(const Vector3 &p_axis, real_t p_phi) { Transform3D Transform3D::looking_at(const Vector3 &p_target, const Vector3 &p_up) const { Transform3D t = *this; - t.set_look_at(origin, p_target, p_up); + t.basis = Basis::looking_at(p_target - origin, p_up); return t; } void Transform3D::set_look_at(const Vector3 &p_eye, const Vector3 &p_target, const Vector3 &p_up) { -#ifdef MATH_CHECKS - ERR_FAIL_COND(p_eye == p_target); - ERR_FAIL_COND(p_up.length() == 0); -#endif - // Reference: MESA source code - Vector3 v_x, v_y, v_z; - - /* Make rotation matrix */ - - /* Z vector */ - v_z = p_eye - p_target; - - v_z.normalize(); - - v_y = p_up; - - v_x = v_y.cross(v_z); -#ifdef MATH_CHECKS - ERR_FAIL_COND(v_x.length() == 0); -#endif - - /* Recompute Y = Z cross X */ - v_y = v_z.cross(v_x); - - v_x.normalize(); - v_y.normalize(); - - basis.set(v_x, v_y, v_z); - + basis = Basis::looking_at(p_target - p_eye, p_up); origin = p_eye; } -- cgit v1.2.3