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Unanswered Questions

669 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
2k views

LibGDX Box2D Lights - Illuminate background

I have a box2D world made of tiles. I use a custom DirectionalLight for light up the scene from above (It shines through transparent blocks [eg.: the water] more deeply). The problem is (as expected), ...
7 votes
0 answers
844 views

How to correctly implement 'layered lighting' with Box2D-Lights

How does one only allow Box2D-Lights to affect one and only one OrthographicCamera. After researching, I found the following answer. This answer goes into detail ...
6 votes
0 answers
161 views

balloon ligher than air with libgdx, impementation of FixtureDef.density, gravityScale, linearDamping?

I use libGdx/box2d's physic. My intention is to create a balloon filled with helium (a body, what hovers above a surface, if we apply a little force to it - it moves fast but not far, if we push ...
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
237 views

Sizing a Box2D ground object

I am developing a platformer game using SDL2 for graphics and Box2D for physics. I am currently designing my levels and would like to know if it is better to make the static part of each level (ie: ...
5 votes
1 answer
974 views

Wheel Joint Implementation in AndEngine

I am currently developing car game in AndEngine. In which I was using revolute joint for car wheel and chassis attachment. But my friend suggest me that use wheel joint for that purpose for better ...
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
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 ...

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