Skeletal animation is a technique in which a character is represented in two parts: a surface representation used to draw the character (skin) and a hierarchical set of interconnected bones (skeleton) used to animate the mesh.
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Questions about animating in 3DS Max/XNA?
I have never created an animation within 3DS Max before and I have a few questions.
I already have a model with a biped rigged correctly.
Can I have multiple animations within one model?
How are ...
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46 views
UT99 Animations [closed]
Around the year 2000 there was a game with the UT99, which was not very popular and have many errors, but came to be launched a Retail version, I really like the game and I want to remake it with UDK, ...
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55 views
sprite sheet animation help [closed]
I was trying to make an animation using sprite but I ran in to a problem. I want to make an animation happen if the user hits the right key, a different animation if user hits left key a different ...
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1answer
52 views
Adjusting a skeleton to a Specific Stance
Imagine having a climbing wall and you take 4 adjacent handholds and footholds where together they create a stance. Is there any algorithm or technique with which it would give you a realistic human ...
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70 views
UDK: Animating characters with weapons
I imported a custom character and a pistol model to UDK and both work, but the pistol doesn't appear with the animation of the pistol when I shoot or reload... Also, the character doesn't change its ...
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0answers
37 views
Swap limbs of a skinned mesh
If I have a model, such as a robot, I am able to swap its limb meshes out and replace them with other robot limb meshes by merely removing the limb mesh from the skeleton and attaching the new one to ...
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2answers
163 views
What matrix operations do I perform to translate then rotate then translate then rotate?
In an android game I want to draw a running leg. To output the thigh I do something like:
// legCX,legCY is the location on screen about which the leg rotates.
Matrix m = new Matrix();
...
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1answer
69 views
XNA Skinned Model - Keyframe.Bone out of range exception
I'm getting an IndexOutOfRangeException on this line of AnimationPlayer.cs:
boneTransforms[keyframe.Bone] = keyframe.Transform;
I don't get what it's really referring to. The error happens when ...
2
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1answer
83 views
Guidelines when rigging a character
Just wondering that how many IK (Inverse Kinematic) bones should you apply to a game character before it starts to go resource hog. Basically should you try to get rid of IK bones and just try to ...
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1answer
109 views
Armature in Unity3d distorted
On the left is a base mesh with armature in Blender. I imported this model and armature into Unity3d.
The result is on the right. The arms are clearly distorted, and I can't seem to fix it by ...
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1answer
186 views
How to make model's arms + weapon follow cursor?
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Just like the title says. I currently have my controlling movement working just how I want it to. Now in order to proceed with shooting I first should focus on how the model should look like to ...
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1answer
297 views
OpenGL GLSL skinning problem
This time I've decided to ask a question related to my skinning problem. Two earlier ones were not really related to my problem and I've deleted them.
Ok, first of all, I'm using OpenGL 3, 3ds max, ...
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2answers
199 views
Rotating a 2D Skeleton
I am currently implementing a 2D skeleton system in C# with XNA, but got stuck in how I would rotate the bones around a skeleton's axis.
A basic algorithm that I have figured out already would ...
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0answers
196 views
XNA - How to move skinned model and merge animations
After you helped me to resolve my loadContent problem I've wrote some code and made 3D model with animation. Because XNA 4.0 doesn't support .fbx with multiple animations I've generated 3 models with ...
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1answer
113 views
What are file formats that store skeletal movements, and are there databases of them?
I have a set of 3d vectors representing the positions of a character's hand, foot, shoulders and so on. Is there any kind of easy to read file I can use to animate those with walking, standing, ...
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2answers
213 views
Matrix interpolation for animation blending
I use the XNA Animation Component library to perform blending between animations. It uses spherical linear interpolation between matrices.
In most cases this works without problems. However, I have ...
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1answer
83 views
How stoper one annimation model on XNA?
I do not understand how to pause an animation of XNA. I can "Start" the animation of my model but not stop it. I use SkinningSample_4_0 sample dll
Here is my code to use.
Here is my code to use.
...
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0answers
100 views
Maya Animated Character export for XNA 4.0 problem
To begin with, I'm trying to export an animated character in .fbx format from Maya 2013 to XNA 4.0
In Maya, The Model has a basic rig and the animations are in clips made in the Trax editor.
so the ...
3
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1answer
130 views
Applying prerecorded animations to models with the same skeleton
well my question sounds a bit like, how do I apply mo-cap animations to my model, but thats not really it I guess. Animations and model share the same skeleton, but the models vary in size and ...
2
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0answers
273 views
exporting bind and keyframe bone poses from blender to use in OpenGL
EDIT: I decided to reformulate the question in much simpler terms to see if someone can give me a hand with this.
Basically, I'm exporting meshes, skeletons and actions from blender into an engine ...
2
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2answers
235 views
Calculate an AABB for bone animated model
I have a model that has its initial bounding box calculated by finding the maximum and minimum on the x, y and z axes. Producing a correct result like so:
The vertices are then stored in a VBO and ...
3
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1answer
331 views
Engine for 2D Top-Down Physics-Based Skeletal Animation
I just watched at the Sui Generis video, and was completely amazed. Specifically, the part where the big troll thing is beating up the player with his flail.
This got me really excited, and I would ...
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0answers
101 views
Updating physics for animated models
For a new game we have do set up a scene with a minimum of 30 bone animated models.(shooter)
The problem is that the update process for the animated models takes too long.
Thats what I do:
Each ...
6
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2answers
618 views
How do I apply skeletal animation from a .x (Direct X) file?
Using the .x format to export a model from Blender, I can load a mesh, armature and animation. I have no problems generating the mesh and viewing models in game. Additionally, I have animations and ...
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1answer
245 views
Blender to 3ds max to cal3d format
There are quite a few questions on cal3d but they are old and don't apply anymore.
In Blender(must be 2.49a for python script to work!!!):
I have a scene with 7 meshes, 1 armature, 10 bones. I tried ...
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1answer
262 views
apply non-hierarchial transforms to hierarchial skeleton?
I use Blender3D, but the answer might not API-exclusive.
I have some matrices I need to assign to PoseBones. The resulting pose looks fine when there is no bone hierarchy (parenting) and messed up ...
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1answer
291 views
Real Time Motion Retargeting
Using Kinect I've extracted coordinates(x,y,z) of user, I'm in search of method which can help me out transferring motion of Skeleton to any 3D model(AVATAR) using OpenNI and OpenGL.
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299 views
Calculating the correct roll from a bone transform matrix
Read this forum topic for more info: http://blenderartists.org/forum/showthread.php?260602-transform-matrix-to-bone-%28head-tail-roll%29-bug
I'm trying to get my Blender3d modeller importer to create ...
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1answer
306 views
importing animations in Blender, weird rotations/locations
This is for the Blender 2.6 API.
There are two problems:
1. When I import a single animation frame from my animation file to Blender, all bones look fine.
But when I import multiple (all of the ...
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2answers
729 views
How to port animation from one skeleton to another?
While I need to do this in a Blender3D modeler script, the math should be similar for other modelers or realtime engines.
Blender3D specific terminology:
Armature = skeleton
EditBone = rest pose bone ...
2
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1answer
778 views
XNA: Rotating Bones
XNA 4.0
I am trying to learn how to rotate bones on a very simple tank model I made in Cinema 4D.
It is rigged by 3 bones, Root -> Main -> Turret -> Barrel
I have binded all of the objects to the ...
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3answers
460 views
How to position a sprite in a 2D animation skeleton?
Given two joints that define a bone, I would like to know how to decide where, between those two joints, I should draw the sprite. This should be a fairly simple thing to solve, but there is one thing ...
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1answer
126 views
Finding the endpoint of a named bone in Irrlicht
I'm making a tank game that will have multiple tanks. I want to be able to define the weapon placements using bones that I can add right inside the modelling program (Blender to be exact).
All tanks ...
13
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3answers
1k views
How to programatically retarget animations from one skeleton to another?
I'm trying to write code to transfer animations that were designed for one skeleton to look correct on another skeleton. The source animations consist only of rotations except for translations on the ...
4
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1answer
465 views
Bone creation in XNA Content Pipeline
I'm trying to manually create a ModelContent instance that includes custom Bone data in a custom ContentProcessor in the XNA Content Pipeline. I can't seem to create or assign manually created bone ...
4
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1answer
578 views
Skeletal Animation - Automatically apply skeleton to model
Looking at websites such as mixamo.com or some game's development systems such as the animation editor for Overgrowth (http://www.youtube.com/watch?v=-RpqbC5-Z0E), i see that the skeleton in these ...
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0answers
154 views
Bone pivot mirroring problem in 3dmax
Im make model with animation in 3dsmax and port it to XNA game. All works fine except one character hand. I suspect its all about pivot and kinematics. When I create hand bone from scratch the ...
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1answer
205 views
Primitive Animation
I am creating a minecraft-like clone and was wondering what is the best way to go about animating a model, for example implementing the following feature: when the player presses the arrow keys, move ...
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2answers
223 views
How to make leg bones children of torso bone in Blender?
I'm a complete Blender novice and I'm trying to create a humanoid skeleton. I'm having problems figuring out how to make my leg bones children of the torso bone. Here's how my skeleton looks like:
...
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2answers
388 views
Tips on combining the right Art Assets with a 2D Skeleton and making it flexible
I am on my first attempt to build a skeletal animation system for 2D side-scrollers, so I don't really have experience of what may appear in later stages. So i ask advice from anyone that been there ...
