0
votes
1answer
45 views

How to find the right direction to plug a sword into a rig's hand after projecting it?

I've downloaded BVH animations and projected it following a book. I can now see a 3D moving rig and it looks alright. The problem is, now I want to plug a sword on the hand of the rig, but I don't ...
11
votes
3answers
403 views

How do I lerp between values that loop (such as hue or rotation)?

View Demo I'm trying to make the joint rotate smoothly around the center of the canvas, toward the angle of mouse pointer. What I have works, but I want it to animate the shortest distance possible ...
-1
votes
1answer
77 views

Animating values using splines

I'm trying to create a system similar to Blender's f-curves or Unity's animation curves (google it, I'm not allowed to post more than two links yet). It's basically a 2D spline where time is on the ...
0
votes
1answer
80 views

Animation is too fast

I have an animation of a bullet but it seems to be going much faster than i was expecting. I currently set it to 0.5 pixels per second yet it seems to be moving way over hundreads of pixels per ...
3
votes
0answers
171 views

Display and Hide CCSprite with Genie effect

I am new at cocos2D. I started to learn cocos2D with simple game from http://www.raywenderlich.com/tutorials#cocos2d tutorial. Now I'm crazy with animation, so now i want to display CCSprite as OSX ...
0
votes
2answers
1k views

OpenGL matrix vs DirectX matrix

I'm working on an animation and model exporter from Maya to use within my game. Currently, models work perfectly, and animations have some issues with the joints. Since Maya works in an OpenGL ...
1
vote
1answer
258 views

Recreating Doodle Jump in Canvas - Platforms spawning out of reach

I have started to recreate Doodle Jump in HTML using Canvas. Here's my current progress. As you can see, if you play it for a few seconds, some platforms will be out of the player's reach. I don't ...
9
votes
6answers
416 views

Is there a (family of) monotonically non-decreasing noise function(s)?

I'd like a function to animate an object moving from point A to point B over time, such that it reaches B at some fixed time, but its position at any time is randomly perturbed in a continuous ...
1
vote
1answer
152 views

Anybody remember this webpage? [closed]

I remember visiting a webpage some time ago (1 year ago maybe) It contained many java applets, describing how certain mathematical functions like sin, cos, arcsin, exp would make an object move, with ...
1
vote
1answer
497 views

Problems with 3D rotation when creating a 3D skeleton

I am writing a simple BVH parser in C# using the XNA framework. At the moment I have managed to parse in all the data and my goal is to find out the global coordinates of all the joints in the ...
-1
votes
1answer
171 views

How to implement cue-stick animation for a pool game?

Hello I am developing a Pool game, and I've been scratching my head about what formula is needed to implement an animation for the cue stick. The animation of the cue stick should look as if it's ...
3
votes
2answers
627 views

How to achieve hologram projection effect with head tracking

I want to recreate this: http://www.youtube.com/watch?v=9xMSGmjOZIg&feature=related I can take care of tracking the user's head, and in one of the comments I believe the author says that he used ...
1
vote
3answers
135 views

Regulating how much to draw based on how much was drawn last frame

[Edit: I found an answer - see below] I have a 3D game world on an iPhone (limited graphics speed), and I'm already regulating whether I draw each shape on the screen based on it's size and distance ...
3
votes
4answers
493 views

Vary speed of enemy smoothly

Hey. I'm trying to create an enemy that travels at a speed s on screen but I'm having trouble with trying to make the speed vary in a smooth motion. Basically, I can get the enemy to move at a ...
11
votes
1answer
855 views

Moving an Object along a Curve while Rotating it

I woud like to move an object along a curve. At particular points on the curve, I wish the object to change speed and rotate itself along its axis. Imagine an airplane flying to a destination. It has ...
2
votes
3answers
367 views

Blending animations for more character movements

I am making a hack n slash 3rd person game, and I want the character movements to be more dynamic not like fighting games where you have a moves list. I want to animate tons of different animations ...