falling player while platform move

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:information_source: Attention Topic was automatically imported from the old Question2Answer platform.
:bust_in_silhouette: Asked By daniel500013

Hi i have problem because when my player character jump on platform while moving my character falling (image below)

Here is moving script

    sprint = false;
	iswalk = false;

	Vector3 direction = new Vector3();
	direction.x = 0;
	direction.z = 0;

	var aim = camera.GlobalTransform.basis;

	if (Input.IsActionPressed("ui_left"))
	{
		direction -= aim.x;

		//Rotation
		GetNode<Spatial>("Armature").Rotation = new Vector3(0f, Mathf.LerpAngle(GetNode<Spatial>("Armature").Rotation.y, Mathf.Atan2(velocity.x, velocity.z), delta * 7f), 0f);

		//Animation
		iswalk = true;
	}

	if (Input.IsActionPressed("ui_right"))
	{
		direction += aim.x;

		//Rotation
		GetNode<Spatial>("Armature").Rotation = new Vector3(0f, Mathf.LerpAngle(GetNode<Spatial>("Armature").Rotation.y, Mathf.Atan2(velocity.x, velocity.z), delta * 7f), 0f);

		//Animation
		iswalk = true;
	}

	if (Input.IsActionPressed("ui_up"))
	{
		direction -= aim.z;

		//Rotation
		GetNode<Spatial>("Armature").Rotation = new Vector3(0f, Mathf.LerpAngle(GetNode<Spatial>("Armature").Rotation.y, Mathf.Atan2(velocity.x, velocity.z), delta * 7f), 0f);

		//Animation
		iswalk = true;
	}

	if (Input.IsActionPressed("ui_down"))
	{
		direction += aim.z;

		//Rotation
		GetNode<Spatial>("Armature").Rotation = new Vector3(0f, Mathf.LerpAngle(GetNode<Spatial>("Armature").Rotation.y, Mathf.Atan2(velocity.x, velocity.z), delta * 7f), 0f);

		//Animation
		iswalk = true;
	}

	if (Input.IsActionPressed("sprint"))
	{
		sprint = true;
	}

	//Animation

	if (iswalk)
	{
		if (sprint)
		{
			move_animation = animator.SetValue(delta, ref move_animation, 1f);
			animationTree.Set("parameters/walk/blend_amount", move_animation);
		}
		else
		{
			move_animation = animator.SetValue(delta, ref move_animation, -1f);
			animationTree.Set("parameters/walk/blend_amount", move_animation);
		}
	}
	else
	{
		move_animation = animator.SetValue(delta, ref move_animation, 0f);
		animationTree.Set("parameters/walk/blend_amount", move_animation);
	}

	// End Animation

	//Jump Animation

	if (Input.IsActionJustPressed("jump") && IsOnFloor())
	{
		velocity.y += 3f;
	}

	if (!IsOnFloor())
	{
		jump_animation = animator.SetValue(delta, ref jump_animation, 1f);
		animationTree.Set("parameters/jump/blend_amount", jump_animation);
	}
	else
	{
		
		jump_animation = animator.SetValue(delta, ref jump_animation, 0f);
		animationTree.Set("parameters/jump/blend_amount", jump_animation);
	}

	//End Animation

	direction = direction.Normalized();

	velocity.y -= gravity * delta;

	var temp_velocity = velocity;
	temp_velocity.y = 0;

	Vector3 target;

	if (sprint)
	{
		if (IsOnFloor())
		{
			target = direction * 6f;
		}
		else
		{
			target = direction * 4f;
		}
	}
	else
	{
		target = direction * 2f;
	}

	int acceleration = 0;

	if (direction.Dot(temp_velocity) > 0)
	{
		acceleration = 2;
	}
	else
	{
		acceleration = 6;
	}

	temp_velocity = velocity.LinearInterpolate(target, 4 * delta);

	velocity.x = temp_velocity.x;
	velocity.z = temp_velocity.z;

	velocity = MoveAndSlide(velocity + GetFloorVelocity(), Vector3.Up);

Here is my scene tree

Here is how player react while platform moving