The practice of estimating a result (usually numeric) based on a set of known results.

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How can I convert between float3 and float2 in HLSL?

I want to offload some 3D calculations to the GPU without raising my requirements to DX10. Specifically, I am generating densities in 64x64x64 3D blocks, which fit nicely into 512x512 2D textures. I ...
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0answers
137 views

Input and packets handling when using render interpolation

I'm implementing valve's networking model for my simple top down game but I have some design problems and I just can't think of good solutions. The one of the main ideas that there is a render time ...
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2answers
104 views

Convert vector interpolation to quaternion interpolation? (Catmull-Rom)

I have some existing code which does catmull-rom interpolation on two vectors (facing and up). I'm converting this to use quaternions instead (to replace the two vectors). Is there a general way to ...
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3answers
420 views

Multiplayer object interpolation

Currently I'm participating in a multiplayer game project as a network developer. Unfortunately, however, I'm facing an interpolation problem which makes game objects look like they are ...
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2answers
80 views

Smooth decelerate, interpolation?

I have two points A and B. I want to perform a smooth deceleration from A stopping at B over time t. The only thing I managed to do so far was a lerp, which isn't right of course because it's ...
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1answer
137 views

How can I make a spline out of three points that define circular arc?

I was looking at the descriptions of various curve techniques here and noticed the mention of circular arcs. I want to implement something like this, but I'm not quite sure what the correct formula to ...
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1answer
91 views

Why is interpolation passed into the rendering routine when the position and speed are related to the update routine?

I've read this in several well known articles, including this one: http://www.koonsolo.com/news/dewitters-gameloop/ Under the Interpolation and Prediction subheading is the description of the ...
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1answer
1k views

Interpolating a player between two 2D points?

I would like a player to be able to move in a direction smoothly, whilst sticking to a fixed grid. Much like in Pokemon, how the player can move, but when the key is pressed and released quickly, they ...
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1answer
889 views

Multiplayer Network Game - Interpolation and Frame Rate

Consider the following scenario: Let's say, for sake of example and simplicity, that you have an authoritative game server that sends state to its clients every 45ms. The clients are interpolating ...
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1answer
221 views

Lerp an object based on timers

I'm trying to make a target lerp between two objects based on a timer. At the moment, I have the following code: float distCovered = (Time.time - waitTime) * speed; float fracJourney = ...
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2answers
252 views

Effort of impementing interpolation in networked Asteroids

Questions: When we draw with interpolation, where should the collision detection code be? Is it worth implementing interpolation in the following situation? This is for Scrolling Asteroids. I have my ...
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2answers
110 views

Handling early/late/dropped packets for interpolation in a 3D multiplayer game

I'm working on a multiplayer game that for the purposes of this question, is most similar to Team Fortress. Each network data packet will contain the 3D position of the target moving object. (this ...
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0answers
33 views

Constantly interpolated splines

Trying to implement a movement through a curve - I'm trying to find a type of curve/spline that interpolates constantly. What I mean: when I interpolate from t=0 to t=0.1, I want it be the same ...
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0answers
160 views

Improve interpolation in 2d multiplayer game

I have a problem to solve while prototyping networking for a 2d game. Here's what I have so far and what's giving a headache: I run a multi-player session where one host is an authoritative server ...
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0answers
84 views

Skinning mesh with Hermite Interpolation

I'm trying to implement an skinning mesh and I use Hermite Interpolation for evaulating frame's position. When I use the normal interpolation t*p1 + (1-t)*p2, it run well, but when I change to ...
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2answers
78 views

Problems with my interpolation inplementation

When I interpolate my sprite's movement (code below), I'm curious as to whether the part where I actually apply the interpolation to the sprite's current X position (in my render call) is correct. ...