[Solved] ctrl.actor.sweep([...]) not working ?

KraaxLeNain · 02-09-2014 11:42 AM

Hi everyone,

The fat dwarf (me) is back in his holly quest of finding the endless cup of beer mastering EE Physics...

I've tried today to use the ctrl.actor.swep() function (for a Chr object) in order to manage collision preventing.

It seems that the function is not working (besides, you can't choose specific AG_actor to collide with... whereas you can with other sweep functions).

The regular sweep function works.

Not working code (no collision never occure)

Code:

temp_move=current_direction.x0z(); //Some vector pointing my move way

temp_move.setLength(raycast_length*4); //Raycast_length is homemade variable, here radius *2.

capsule_sweep_result=ctrl.actor.sweep(temp_move, &hit_capsule); //Not working : collision never occure

Working code (basic sweep test recreating the capsule).

Code:

temp_move=current_direction.x0z(); //Some vector pointing my move way

temp_move.setLength(raycast_length*4); //Raycast_length is homemade variable, here radius *2.

Capsule tempcaps; //Creatig a temp capsule, same as ctrl

tempcaps.r=ctrl.radius();

tempcaps.h=ctrl.height();

tempcaps.pos=ctrl.center();

capsule_sweep_result=Physics.sweep(tempcaps, temp_move, &hit_capsule, IndexToFlag(AG_PLAYER)); //This works

If it's not a bug and I'm doing it wrong, please point it out so I can edit the post title and learn of my posibly dummie mistake or misunderstanding.

Have a nice day all !

**Esenthel** · 02-09-2014 09:42 PM

Hi, the sweep test may not detect actors which the other actor is already colliding/intersecting with.

What I do is the same as you, get the Capsule shape, but I go even furthere, decrease its radius, to make sure that I'll get the collisions that are already in contact with the actor.

KraaxLeNain · 02-09-2014 10:17 PM

The weird thing is that collision never occurs... And I'm checking target like 10 radius ahead so I'm not colliding with them already !

I have 0 collision response with the ctrl.actor.sweep ... So if the sufunction is doing the same i'ts a weird thing grin

Besides, if you go check that function, adding Ag_Controller choice could be nice.

Thanks for the quick answer.

**Esenthel** · 02-09-2014 11:30 PM

Thanks, I'm testing Actor.sweep right now

**Esenthel** · 02-10-2014 12:02 AM

Thanks, there was a minor issue in the codes for Actor.sweep/cuts methods, I've fixed it and will work okay in next release.

KraaxLeNain · 02-10-2014 09:47 AM

Good,

I'll keep my quickfix until then and test it in the next release.

Thx Gregorz !

**Esenthel** · 02-10-2014 09:17 PM

Hi, the fix was released on yesterday's update.

KraaxLeNain · 02-11-2014 12:33 AM

What can I say Gregorz, you're too fast for me ! I can't keep up the pace with support wink

More seriously, I'm updating the post right now.

I've tested it. Collision is working but (there is always a but) now it's also colliding with the ground (haha !) witch can be problematic when you are on merely hilly ground right ? (like up /down /up/ down again ... ... ...)

One picture atached.

Well this should not be a major issue (since I can do it another way) but would you mind considering this enhancement ? :
Initial
Bool sweep(C Vec &move, PhysHit *phys_hit=NULL )C;
Changed to :
Bool sweep(C Vec &move, PhysHit *phys_hit=NULL , UInt groups=~0 )C;

As in :
static Bool sweep(C Capsule &capsule, C Vec &move, PhysHit *phys_hit=NULL, UInt groups=~0);
(and basicly every of your colliding functions)

Adding the Uint groups will add better control and mak function more usable I think, and if it's based on the sweep function wouldn't cost much.

Anyway, I mark this one as solved and wish you a good day !

PS : Screenshot of the collided ground... (Watch the red vector. Only appears on positive slopes (since I don't set the z in my method).)

And if you ever wonder why my character is naked : feel free to give a hint to the big guy (it's a real show stopper for us and we'd like to share some of our game with the community one day when we will not be all naked and ashamed grin

).

**Esenthel** · 02-11-2014 01:11 AM

Quote:Initial
Bool sweep(C Vec &move, PhysHit *phys_hit=NULL )C;
Changed to :
Bool sweep(C Vec &move, PhysHit *phys_hit=NULL , UInt groups=~0 )C;

Will be added in next release.

[Solved] ctrl.actor.sweep([...]) not working ?
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