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Unanswered Questions

794 questions with no upvoted or accepted answers
9 votes
1 answer
1k views

Using PhysX, how can I predict where I will need to generate procedural terrain collision shapes?

In this situation, I have terrain height values I generate procedurally. For rendering, I use the camera's position to generate an appropriate sized height map. For collision, however, I need to have ...
8 votes
1 answer
420 views

How to move a portion of bezier/spline curve along its complete bezier/spline curve?

Based on the image below, I have a curve (orange) which is a bezier sub-curve of an original curve (longer black curve). The original curve consists of a number of cubic bezier curves joined together. ...
6 votes
0 answers
281 views

How can I call a native mobile API in Construct 2?

How can I use mobile API features in a Construct 2 game (HTML 5/JavaScrit engine)? I didn't find anything about that on the net, unlike other game frameworks like Corona Enterprise or Cocos2d.
6 votes
0 answers
213 views

How can I create a set of collision points for an arbitrary mesh?

In my project I am working on automatically deforming an arbitrary mesh with respect to another arbitrary mesh, within the context of user generated content, similar to this deformer being developed ...
5 votes
0 answers
108 views

Slot Probability Function

Please can someone point me in the right direction. I'm working on a slot game. that I'm having trouble figuring how to implement the probability function for. The game has a set of symbols that bets ...
5 votes
0 answers
516 views

How to target moving object in 2D game

I am working on targeting system for 2D game. Two objects move in space. Each one have Position and Velocity vector. Ship object shoots moving objects in space. Ship can shoot in any direction, but ...
5 votes
1 answer
184 views

How can I determine "exact moment" of collision with ray casting?

I'm currently brainstorming how the physics for my game engine is going to be handled. It's top down and I'm thinking of using ray casting for collision detection. I've reached two potential problems (...
4 votes
0 answers
136 views

Force propagation through physic bodies constraints (as non-penetration)

First, some context I'm currently implementing a (well, tiny) game engine using a predictive approach. The idea is to compute when a state change will occur, and only update state at time of the ...
4 votes
0 answers
173 views

Support function of Minkowski Difference

I am watching this and if you stop at 7:25, you will find an implementation of the support function. The goal of the function is to give you the farthest point in a given direction. My question is how ...
4 votes
0 answers
218 views

Phaser: InvalidStateError

I am using the Phaser framework for game development, but while working on it I face a bug which is annoying, I have the following message: InvalidStateError: An attempt was made to use an object ...
4 votes
0 answers
660 views

How to implement a pannini projection in opengl?

I have read about the pannini projection, which involves (I think) projecting a scene onto a cyclinder instead of a rectangle. How can I implement this projection in a vertex shader? Blinky is using ...
4 votes
1 answer
3k views

How can I move a vehicle using speed and steering angle?

I want to drive a vehicle in x and y coordinate area with range from (0,0) to (6000,5000). I am using Visual Components (using Python API). On input I have speed data and steering angle of wheels ...
4 votes
0 answers
314 views

Determine user mouse selection of 3D Object for multiple viewports

I am currently working on setting up some world objects for my level editor and am running into a bit of a snag. When I get the hit location from the mouse raycast, I would like to determine what part ...
4 votes
0 answers
181 views

Understanding unknown mesh data structure

I have a large number of old mesh files in a custom, undocumented binary format. I have managed to parse almost everything but am left with one group of structures, described below, that I don't ...
4 votes
0 answers
70 views

Why does interactive cloth not appear in game view in unity5 Pro?

I used interactive cloth fir flags in unity5 Pro version and it appears in scene view but does not appear in game view while playing. What can I do for that please somebody help me out?

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