Mouse over event

[eppe]

Hi,

I would like to figure out the direction and speed of the mouse over an object.
I was planning to use some kind of mouse over event, but cannot find it, is it hidden somewhere?
Can someone think of another solution to do that?

Thank you!

[polygone]

There is no event for that. You can just use teh step event:

if (place_meeting(mouse_x, mouse_y, id))
{
}

[Josh @ Dreamland]

Each step, set a mouse_xprevious and mouse_yprevious. You can then get the direction using point_direction(mouse_xprevious, mouse_yprevious, mouse_x, mouse_y), and likewise, the speed using point_distance(mouse_xprevious, mouse_yprevious, mouse_x, mouse_y).

To also test if the mouse has passed through your object, use this:

Code: (EDL) [Select]

if (collision_line(mouse_xprevious, mouse_yprevious, mouse_x, mouse_y, obj_myobject, true, true)) {
  double dir, spd;
  dir = point_direction(mouse_xprevious, mouse_yprevious, mouse_x, mouse_y);
  spd = point_distance(mouse_xprevious, mouse_yprevious, mouse_x, mouse_y);
  // ...
}
mouse_xprevious = mouse_x;
mouse_yprevious = mouse_y;

[Goombert]

You guys, there is the mouse enter and mouse leave event.

[TheExDeus]

You guys, there is the mouse enter and mouse leave event.

But I don't think that would help him as he wants it OVER the object.
Josh's code is how I have done something similar. Though I didn't use collision functions as I didn't need to know if I am over an object. I just had a drag variable which meant that I had dragged the object and if I released it while dragging then it would fly in the direction and speed of the mouse movement. Basically trowing balls with your mouse.

[eppe]

Thank you, it's very helpful.
I think I can do it like that.