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Unanswered Questions

654 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 ...
6 votes
1 answer
1k views

How to get consistent collision impulse values for colliding rigid bodies in Godot?

I'm writing a game where you can pick and throw objects and depending on the force of the impact they break. Using the get_contact_impulse method to calculate the breaking point gives me very ...
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
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
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
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
1k views

Unity & Alternatives to non-convex collider + non-kinematic rigidbody

I am working on a voxel game, where everything is one or more chunks of voxels (16x16x16). As voxels can be destroyed the chunk and collision area changes and can of course become non convex. So to ...
4 votes
1 answer
231 views

Set input relative to map rotation?

I'm trying to figure out how I can make the input which looks like this : ...
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?
4 votes
1 answer
1k views

HTML5 Canvas - Drawing with Floats

I'm trying to implement a game where you have car moving along a line in HTML5 Canvas. Using a little bit of trigonometrie I managed to get the right x and y coordinates to add to the coordinates of ...
3 votes
0 answers
1k views

Wall sliding collision resolution with multiple objects

TLDR My collision resolution algorithm with wall sliding works perfect for multiple walls but it fails when the angle of the corner of two walls is less than 90 degrees. (acute angles) and the player ...
3 votes
0 answers
1k views

What is causing my touchstart event to end while I'm still touching the screen, and how can I fix that?

What I'm trying to do: I'm trying to add touch controls to games created with the html canvas and JavaScript so that they can be used on mobile / tablet devices. The controls should simply move a ...

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