Method _process_copy

scene/3d/copy_transform_modifier_3d.cpp:406–494

}

void CopyTransformModifier3D::_process_copy(int p_index, Skeleton3D *p_skeleton, int p_apply_bone, const Transform3D &p_destination, float p_amount) {
	CopyTransform3DSetting *setting = static_cast<CopyTransform3DSetting *>(settings[p_index]);

	Transform3D destination = p_destination;
	Vector3 dest_pos = destination.origin;
	Quaternion dest_rot = destination.basis.get_rotation_quaternion();
	Vector3 dest_scl = destination.basis.get_scale();

	// Mask pos and scale.
	for (int i = 0; i < 3; i++) {
		if (!setting->axis_flags.has_flag(static_cast<AxisFlag>(1 << i))) {
			dest_pos[i] = 0.0;
			dest_scl[i] = 1.0;
		}
	}

	// Mask rot.
	switch (static_cast<int>(setting->axis_flags)) {
		case 0: {
			dest_rot = Quaternion();
		} break;
		case AXIS_FLAG_X: {
			Vector3 axis = get_vector_from_axis(Vector3::AXIS_X);
			dest_rot = Quaternion(axis, get_roll_angle(dest_rot, axis));
		} break;
		case AXIS_FLAG_Y: {
			Vector3 axis = get_vector_from_axis(Vector3::AXIS_Y);
			dest_rot = Quaternion(axis, get_roll_angle(dest_rot, axis));
		} break;
		case AXIS_FLAG_Z: {
			Vector3 axis = get_vector_from_axis(Vector3::AXIS_Z);
			dest_rot = Quaternion(axis, get_roll_angle(dest_rot, axis));
		} break;
		case AXIS_FLAG_X | AXIS_FLAG_Y: {
			Vector3 axis = get_vector_from_axis(Vector3::AXIS_Z);
			dest_rot = dest_rot * Quaternion(axis, get_roll_angle(dest_rot, axis)).inverse();
		} break;
		case AXIS_FLAG_Y | AXIS_FLAG_Z: {
			Vector3 axis = get_vector_from_axis(Vector3::AXIS_X);
			dest_rot = dest_rot * Quaternion(axis, get_roll_angle(dest_rot, axis)).inverse();
		} break;
		case AXIS_FLAG_Z | AXIS_FLAG_X: {
			Vector3 axis = get_vector_from_axis(Vector3::AXIS_Y);
			dest_rot = dest_rot * Quaternion(axis, get_roll_angle(dest_rot, axis)).inverse();
		} break;
		case AXIS_FLAG_ALL: {
		} break;
	}

	// Process inversion.
	for (int i = 0; i < 3; i++) {
		AxisFlag axis = static_cast<AxisFlag>(1 << i);
		if (setting->axis_flags.has_flag(axis) && setting->invert_flags.has_flag(axis)) {
			dest_pos[i] *= -1;
			dest_rot[i] *= -1;
			dest_scl[i] = 1.0 / dest_scl[i];
		}
	}