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

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186 views

How to make other semantics behave like SV_Position?

I'm having a lot of trouble with shadow mapping, and I believe I've found the problem. When passing vectors from the vertex shader to the pixel shader, does the hardware automatically change any of ...
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1answer
197 views

Issue with multiplayer interpolation

In a fast-paced multiplayer game I'm working on, there is an issue with the interpolation algorithm. This interpolation is for a moving object not controlled by the local computer. The server sends ...
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0answers
121 views

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
140 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
135 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
484 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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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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2answers
92 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
94 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
948 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
245 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
259 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
132 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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2answers
79 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. ...