XNA Animation Component Library

New Post: Timing on Animations

Talusryn — Thu, 14 Aug 2008 22:40:32 GMT

I am trying to setup actions like saving that start an animation like waving and then end it once the animation is complete. In general this is working- I can get the wave animation to work and it will end after what I believe is the correct amount of time.

However the timing within the animation is often horribly off. Sometimes it will start at the beginning of the animation, but also sometimes pretty much anywhere else in the animation. They always seem to run fine from that point on, but if the start point is screwed up when only going through the animation once it doesnt work out very well.

Is there anyway I can maybe reset the animations to the beginning manually when I have a state change like this, or does this sound like I might be doing something wrong with how I am handling the animations?

Thanks.

New Post: Create multiple dwarf object

kslam — Thu, 14 Aug 2008 04:55:33 GMT

Hi,
Is there anyone know how to make multiple dwarf object (something like OOP, eg. dwarfmanager class derived dwarf class....).
I check the Discussion list, a few posts were disscussion this topic, but seem to be without any response or solutions. ???
I hope somebody or the author who know how to do it can reply this topic and sharing out the source code.

Thank you.

New Post: Can i know the bones Vector3 position?

WILEz — Thu, 07 Aug 2008 19:34:46 GMT

Sorry for my bad english, i'm italian :)

I want "attach" an object to another skinned object (a sword on the hand of my model). I need know the Vector3 of the hand bone to attach the weapon to the hand in the animation... How i can?

Please help me!

New Post: Xclna conversion to XNA 2.0... somebody has sucess?

bumenot — Mon, 04 Aug 2008 11:55:36 GMT

To elSibor
It looks that there are some problem while converting to XNA2.0. If we delete the dwarfmodel.xnb file in Debug\Content, there will have an error at line 142. Hope that you can fix this.

Commented Issue: Error: Both a valid vertex shader and pixel shader (or valid effect) must be set...

Sygnus — Sun, 20 Jul 2008 13:04:28 GMT

Hi there.
Comments: ** Comment from web user: Sygnus **

The browser sent the post before I finished... I am trying to run the dwarf sample and the model animator gives me this error before showing anything on the screen.

Both a valid vertex shader and pixel shader (or valid effect) must be set on the device before any draw operations may be performed.

I checked the compatibility of my GPU (GeForce 6600) and it is ok.

So I have two questions:

1) Is there something I can do to keep this from happening?
2) What does the pallet effect do in the animation process? Cause replaced it with a basicEffect and the model did load, but did not move...

Created Issue: Error: Both a valid vertex shader and pixel shader (or valid effect) must be set...

Sygnus — Sun, 20 Jul 2008 13:00:30 GMT

Hi there.

New Post: Setting up the Animation DLLs

mamba — Thu, 17 Jul 2008 06:21:55 GMT

Trying to follow the dwarf tutorial but running into some problems. I've added the dlls in the reference and in the content, but cannot find an option to set the .x models to Models - Animation Library, it is not listed there somehow, and I did use the "using Xclna.Xna.Animation;" at the top. I don't know whats wrong.

New Post: Setting up the Animation DLLs

YellPika — Sat, 12 Jul 2008 23:37:47 GMT

Try this:

Add a reference as you normally would by clicking Add Reference in the Project menu. Then go to the 'Browse' tab and browse for the dll.

YellPika

New Post: Setting up the Animation DLLs

Tyler89 — Fri, 11 Jul 2008 17:49:10 GMT

I've downloaded the DLLs from the website and I'm unsure on how to implement them...
Which directory should these DLLs be stored in? XNA Game Studio\v2.0\References ?
What do I need to do within Visual Studios to get it running?

Thanks for the help,
Tyler

New Post: Help!!!

robin101 — Mon, 30 Jun 2008 04:09:37 GMT

:p So interesting!How to make the face animation?

New Post: Help!!!

JeRET — Fri, 27 Jun 2008 21:15:09 GMT

i think that you didn't used the GetAbsoluteTransform() Method of the ModelAnimator...

New Post: Shadows

roonda — Mon, 23 Jun 2008 16:14:23 GMT

Hmmm. Looks a little hopeful to me. MSDN has a "how to" on this: http://msdn.microsoft.com/en-us/library/bb464050.aspx

Also, there are many better ways to make shadows than flattening the mesh unfortunately they are not easy. I recommend, don't re-invent the wheel ;-) especially not when someone as clever as Catalin Zima has already invented it: http://www.catalinzima.com/?p=336

New Post: Content processor type name

roonda — Mon, 23 Jun 2008 15:43:38 GMT

Looks like what you want is: FbxImporter and SkinnedModelProcessor. I just opened up the XNAnimationSample's content project and looked at the text in there. After all, the ContentBuilder is really just making a VS Project in memory. I'm not sure how you'd tell it to set the parameters though!

<ItemGroup>
    <Compile Include="Models\PlayerMarine.fbx">
      <Name>PlayerMarine</Name>
      <Importer>FbxImporter</Importer>
      <Processor>SkinnedModelProcessor</Processor>
      <ProcessorParameters_GenerateTangentFrame>True</ProcessorParameters_GenerateTangentFrame>
    </Compile>

New Post: Help!!!

ApoelAlex — Fri, 20 Jun 2008 23:43:09 GMT

Here are some picture of what i actually try to do.

Model with animation

http://www.cs.ucy.ac.cy/~cs03aa1/how.JPG

The model is with out animation

http://www.cs.ucy.ac.cy/~cs03aa1/ex.JPG

Above code gives completely wrong results

New Post: Help!!!

ApoelAlex — Fri, 20 Jun 2008 18:01:44 GMT

JeRET wrote:
Make sure that the zero-point of your head model is at the right position (the zero point will be connected to the Head Bone of the body).
before you draw the model, you must set the Matrix of the Head.
Use this Method inside your Body Model to get the right Position:
GetAbsoluteTransform( HeadBoneIndexOrName )

If your Body is rotated and translated, you must add these transformations to the matrix of the head.

the whole calculation is something like this:
HeadModel.World= BodyModel.GetAbsoluteTransform( HeadBoneIndex ) * BodyRotationMatrix * BodyTranslationMatrix;

Edit: I didn't tested it, but maybe you can replace the Rotation and Translation Matrix with the World Matrix of the Body Model:
HeadModel.World= BodyModel.GetAbsoluteTransform( HeadBoneIndex ) * BodyModel.World;

Ok, so far here is my code. Please correct if am wrong (am quide wrong :-) )

// blah.....
Matrix[] trans;

// Copying the bones absolute trasnform to the table.
this.trans = new Matrix[this.list[0].returnModel().Bones.Count];
this.list[0].returnModel().CopyAbsoluteBoneTransformsTo(trans);

// Here's the code for drawing the head model
        private void DrawFacial(int index)
        {
            foreach (ModelMesh mesh in this.list2[index].returnModel().Meshes)
            {
                foreach (Effect effect in mesh.Effects)
                {
                    if (effect is BasicEffect)
                    {
                        BasicEffect basic = (BasicEffect)effect;
                        basic.View = this.camera.ViewMatrix;
                        basic.Projection = this.camera.ProjectionMatrix;
                        basic.EnableDefaultLighting();
                        basic.DirectionalLight0.Direction = lightPos;
                        basic.World = Matrix.CreateTranslation(-0.8f, 111f, 0f) *
                                      Matrix.CreateScale(0.073f) *
                                      Matrix.CreateRotationY(33f) *
                                      trans[0]; // asuming that head bones is the first one....
                    }
                }
                mesh.Draw();
            }
        }

Am getting the trasform table only on load. I have to take the trasfer table after drawing each body model?

If am using different scales for body and head, then what?

Thanks for the help!

New Post: Help!!!

JeRET — Fri, 20 Jun 2008 10:23:20 GMT

Make sure that the zero-point of your head model is at the right position (the zero point will be connected to the Head Bone of the body).
before you draw the model, you must set the Matrix of the Head.
Use this Method inside your Body Model to get the right Position:
GetAbsoluteTransform( HeadBoneIndexOrName )

If your Body is rotated and translated, you must add these transformations to the matrix of the head.

the whole calculation is something like this:
HeadModel.World= BodyModel.GetAbsoluteTransform( HeadBoneIndex ) * BodyRotationMatrix * BodyTranslationMatrix;

Edit: I didn't tested it, but maybe you can replace the Rotation and Translation Matrix with the World Matrix of the Body Model:
HeadModel.World= BodyModel.GetAbsoluteTransform( HeadBoneIndex ) * BodyModel.World;

New Post: Help!!!

ApoelAlex — Wed, 18 Jun 2008 22:40:25 GMT

Hello

Can anyone tell me how to attach a head to a headless model (with animation) using code.

*I am going to use the head for facial animation.

Thanks for the help.

New Post: Additional shaders on the animated model

escher — Wed, 18 Jun 2008 17:16:50 GMT

Any suggestions as how to go about adding more shaders to an animated model with this library?
With the library when the model renders it has no shades at all, I'm using a shader to render my static models that adds shadows, and was wondering how I could incorporate that into the pipeline for the animated models, would I have to modify SkinEffect.fx to add the shading or can I just pass the model through both shaders?

Thanks

New Post: World Matrix!

Kilanirax — Sat, 14 Jun 2008 12:23:27 GMT

ignore my insane ramblings, I;ve got it wokring :))

New Post: World Matrix!

Kilanirax — Sat, 14 Jun 2008 11:19:47 GMT

Hi all, this may seem like a simple Q and I have tried many of the solutions in the forums but none seem to work....

I've gone through the new tutorial for XNA 2.0 and have loaded and drawn the dwarf model - even got the animations running and everything.

However, I can't seem to apply a world matrix transform to it to scale and move it to fit my landscape...

As you can see from the code below, I've tried applying the worldMatrix transform in 4 places, including playerAnimator.World.

None of them have had any effect on the rendering of the dwarf...

Please help :)

Matrix

worldMatrix = Matrix.CreateScale(0.5f, 0.5f, 0.5f) * Matrix.CreateRotationY(MathHelper.Pi) * Matrix.CreateTranslation(new Vector3(0, 10, 0));

view =

Matrix.CreateLookAt(cameraPosition, cameraTarget, Vector3.Up);

Matrix projection = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4, (float)port.Width / port.Height, .1f, 100000f);

Model model = Content.Load<Model>("dwarfmodel");

Effect myEffect = Content.Load<Effect>("skinFX");

foreach (ModelMesh mesh in model.Meshes)

{

foreach (ModelMeshPart part in mesh.MeshParts)

{

BasicPaletteEffect oldEffect = (BasicPaletteEffect)part.Effect;

Effect newEffect = myEffect.Clone(graphics.GraphicsDevice);

newEffect.Parameters[

"BasicTexture"].SetValue(oldEffect.Texture);

newEffect.Parameters[

"World"].SetValue(worldMatrix);

newEffect.Parameters[

"View"].SetValue(view);

newEffect.Parameters[

"Projection"].SetValue(projection);

part.Effect = newEffect;

oldEffect.Dispose();

}

playerAnimator =

new ModelAnimator(this, model);

foreach (ModelMesh mesh in model.Meshes)

{

foreach (Effect currentEffect in mesh.Effects)

{

if (currentEffect is BasicEffect)

{

BasicEffect basic = (BasicEffect)currentEffect;

playerAnimator.World = worldMatrix;

basic.World = worldMatrix;

basic.View = view;

basic.Projection = projection;

}

else if (currentEffect is BasicPaletteEffect)

{

BasicPaletteEffect palette = (BasicPaletteEffect)currentEffect;

playerAnimator.World = worldMatrix;

palette.World = worldMatrix;

palette.View = view;

palette.Projection = projectionMatrix;

palette.EnableDefaultLighting();

palette.DirectionalLight0.Direction =

new Vector3(0, 0, 1);

}