/** 更新。
*
* a_eceleration : 加速度
*
*/
public void Main(bool a_is_onover, float a_eceleration, float a_delta)
{
if ((this.flag == false) && (Fee.Input.Input.GetInstance().mouse.left.down == true) && (a_is_onover == true))
{
Fee.Geometry.Pos2D <int> t_position = Fee.Input.Input.GetInstance().mouse.cursor.pos;
if (this.callback.IsRectIn(in t_position) == true)
{
//ドラッグ開始。
this.flag = true;
this.start_viewposition = this.callback.GetViewPosition();
this.start_pos = this.callback.GetScrollDirectionValue(in t_position);
this.old_pos = this.start_pos;
this.speed = 0.0f;
}
}
else if ((this.flag == true) && (Fee.Input.Input.GetInstance().mouse.left.on == true))
{
//ドラッグ中。
Fee.Geometry.Pos2D <int> t_position = Fee.Input.Input.GetInstance().mouse.cursor.pos;
this.callback.SetViewPosition(this.start_viewposition + this.start_pos - this.callback.GetScrollDirectionValue(in t_position));
//慣性。
int t_drag_new_pos = this.callback.GetScrollDirectionValue(in t_position);
float t_speed = (this.old_pos - t_drag_new_pos);
if (a_delta > 0.0f)
{
t_speed = t_speed / a_delta;
}
else
{
t_speed = this.speed;
}
this.speed = this.speed * 0.5f + t_speed * 0.5f;
this.old_pos = t_drag_new_pos;
}
else if ((this.flag == true) && (Fee.Input.Input.GetInstance().mouse.left.on == false))
{
//ドラッグ終了。
this.flag = false;
}
if ((this.flag == false) && (this.speed != 0.0f))
{
this.speed *= a_eceleration;
if ((this.speed * this.speed) >= 0.01f)
{
this.callback.SetViewPosition(this.callback.GetViewPosition() + this.speed * a_delta);
}
else
{
this.speed = 0.0f;
}
}
}
/** 更新。
*/
public void Main(bool a_is_onover)
{
if ((this.flag == false) && (Fee.Input.Mouse.GetInstance().left.down == true) && (a_is_onover == true))
{
Fee.Geometry.Pos2D <int> t_position = Fee.Input.Mouse.GetInstance().cursor.pos;
if (this.callback.IsRectIn(in t_position) == true)
{
//ドラッグ開始。
this.flag = true;
this.start_viewposition = this.callback.GetViewPosition();
this.start_pos = this.callback.GetScrollDirectionValue(in t_position);
this.old_pos = this.start_pos;
this.speed = 0.0f;
}
}
else if ((this.flag == true) && (Fee.Input.Mouse.GetInstance().left.on == true))
{
//ドラッグ中。
Fee.Geometry.Pos2D <int> t_position = Fee.Input.Mouse.GetInstance().cursor.pos;
this.callback.SetViewPosition(this.start_viewposition + this.start_pos - this.callback.GetScrollDirectionValue(in t_position));
//慣性。
int t_drag_new_pos = this.callback.GetScrollDirectionValue(in t_position);
this.speed = this.speed * 0.3f + (this.old_pos - t_drag_new_pos) * 0.7f;
this.old_pos = t_drag_new_pos;
}
else if ((this.flag == true) && (Fee.Input.Mouse.GetInstance().left.on == false))
{
//ドラッグ終了。
this.flag = false;
}
if ((this.flag == false) && (this.speed != 0.0f))
{
int t_move = (int)this.speed;
this.speed /= 1.08f;
if (t_move != 0)
{
this.callback.SetViewPosition(this.callback.GetViewPosition() + t_move);
}
else
{
this.speed = 0.0f;
}
}
}
/** 設定。
*/
public void Set(int a_x, int a_y)
{
this.pos_old = this.pos;
this.pos.Set(a_x, a_y);
}