How to scale physics shape in C+++

[Arkane]

Hi,

 

I'm trying to resize the physics shape of a cylinder which is my player.

 

I've tried a simple code :

 

Entity* player;
Model* playerModel;

//Create the player
player = Pivot::Create();
player->SetPhysicsMode(Entity::CharacterPhysics); // Set player physics
player->SetPosition(Vec3(0, 1, 0));
player->SetMass(1);

//Create player mesh
playerModel = Model::Cylinder(64);
playerModel->SetParent(player);
playerModel->SetPosition(Vec3(0, 4, 0));
playerModel->SetScale(1, 2, 1);
playerModel->SetColor(0.0, 1.0, 0.0);
Shape* playerShape = Shape::Cylinder(0, 0, 0, 0, 0, 0, 2, 1, 1);
playerModel->SetShape(playerShape);
playerShape->Release();

 

What I'm doing wrong ?

 

Thanks

[Josh]

Just scale the entity and it will work. Or change your arguments in the Cylinder:Create function.

[Rick]

Curious as to why you are creating a shape for the player model?

[Arkane]

Thanks for your reply Josh.

I just want to adjust the shape to because I saw that my model when it collides with a wall a small part of the cylinder go through wall. Like that :

 

http://imgur.com/puev0s4

 

I think that's caused by not adjusted physics shape.

[cassius]

//Create the player

player = Pivot::Create();

player->SetPosition(0.0,1.309,0.5);

player->SetMass(50);

player->SetPhysicsMode(Entity::CharacterPhysics);

jane.model->SetPosition(player->GetPosition());

 

Heres my similar code . replace jane.model with cylinder.

[cassius]

I have noticed in le2 and le 3.1 that things like guns and swords often partly protrude thru walls etc.

but Making their physic shape too big may stop the character going thru doorways.

[Rick]

The character controller you have on the pivot gives you a cylinder shape for your character. If you have Nother shape and put them in the same location which would put them inside each other they might act badly. Multiple ppl have found the default character controller phyics limiting but otherwise you have to build your own which isn't easy to do well.

[Arkane]

Thanks Cassius and Rick for your help. Is there a way to remove the default shape of the character controller and affect a new one with SetShape ?

[Rick]

You can't remove the default character controller shape. You would simply not use it. However this means you have to control the physics of a shape that you make to act like the character controller, which isn't an easy task to get right and will most likely end in frustration .

 

If your models are either clipping through you can either scale things down so they don't or just deal with it. Some will tell you that games like L4D and alike have models clipping and it's not that big of a deal. It's your call on the amount of effort you want vs the benefit you are getting from it.

 

ie. It's not as simple as you're hoping.

[Arkane]

So I will let this part away. I know many games have this issue that is considered as "not a big deal" for model clipping a little bit through "structures".

I was just wondering if it was easily dealing with. But if it's not, no matter

 

I will concentrate my effort on my third person camera collision (other post http://www.leadwerks.com/werkspace/topic/10702-third-person-camera-collision/).

 

Thanks Rick for your help !