Questions tagged [game-engine]

The Blender Game Engine (BGE) allows you to create interactive 3D applications, game prototypes and simulations.

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adding property while the bge is running?

is it possible to add a game property to an object while the bge is running? I realize you can access them easily enough, I am not asking about accessing properties just so that's clear. I'm well ...
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Blender 2.79. Trig functions in the BGE

Are standard trig functions (sine, cosine etc) accessible in the BGE without resorting to Python script? If so, what is the syntax for their use in assigning a value to a property?
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How to implement joystick rotation in BGE?

I haven't been able to find an answer to this question anywhere. I want to have my character face in the direction the analog stick is pointed. How can I do this?
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question about my mesh

My trouble areas are highlighted in red [pic included]. First off what are these extra edges there for?, what did i do and how do i get rid of them [should i wait to cut the holes out until i'm ...
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Text with no geometry in the Blender Game Engine?

I try to make an ASCII-Game with the BGE so I try to build all the levels with Text-Objects. The problem is that all the text objects will slow down the game because of their geometry. Is it possible ...
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Move object without move objects laid on

In bge I want to move a plane (with logic brick Motion) without move the object are laid on (physic in rigid body), is possible ?...
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how it is used Proxy KX_Poly (SCA_IObject)

I do not understand the concept of proxy vertex and how to use it. could you explain me with an example how to use it and talk a little about this concept? Blender API 2.79b Proxy KX_Poly (...
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how to understand what happens when you duplicate frames

how to understand what happens when you duplicate frames for example I have this animation and select everything in the 3d view, then press copy and then move on the timeline to the place I want to ...
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Baking materials to make them usable in game engine

When trying to make a model for a game I have to make materials into textures and I found this really nice tutorial (this https://www.gamefromscratch.com/post/2014/07/16/Baking-Blender-materials-to-...
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Object face validity [duplicate]

When creating objects for a game engine (unity) or in general I often come across a choice. I can make a face of my object be the way on the left or join the faces and have them as such on the right. ...
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Normals of exported Blender model (.fbx) are not correct displayed in gameengine (CRYENGINE)

You can see in the first picture that the normals of the left pillar are not correct displayed. This happens with all "subobjects" in the model that are duplicated AND mirrored. The model is created ...
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Impact Forces in Blender Game Engine

I am using the blender game engine to run drop test physics simulations and I was wondering if there is a way to collect the force and impact data from the collision. Maybe using "appliedImpulse"? I ...
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Is there a way to link the api of game engine into new blender 2.8

I very much enjoy the new interface of the blender engine 2.8 beta but that being said i don't have an option to use the game render even if its outdated if it isn't replaced yet, it should still be ...
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How can I combine multiple objects for baking?

I'm working on a room (using Archimesh). The walls, ceiling, floor, door, frame etc are all different objects. Do I need to unwrap each of these (5-10) objects, create UVS, create separate images and ...
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How to implement a simple chat option for server-client based game [migrated]

I want 2 players to be able to chat with eachother. I have a running server-client game, but I'm kind of stuck on this one.
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Game asset - Use sculpted model as reference for low poly box modelling

I am reasonably new to blender. (I have used it many times over the last decade but always find something else I need to spend my time on so still a beginner). I have built some sculpted character ...
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Assign new material to object in BGE [duplicate]

i am currently working on a project where I want to assign Textures on multiple planes. (One plane > One Image) Assigning an image to one plane is no problem. But if I want to do it with more images ...
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Modelling and texturing [duplicate]

I want create short movie using blender but I found it difficult, can u suggest me with tutorials and guide pdf. Thanks u I'm looking forward to my response I need guidance on tutorials and PDF
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Replace Mesh Actuator doesn't replace collision bounds?

I've made a simple game where the player collects an item, and the character's mesh should be replaced. The mesh is replaced, while the collision bounds do not. I have the option enabled, but it still ...
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17 views

How to Add a Material to a Lamp in the Blender Game Engine

I'm making a game in UPBGE mainly it has a day/night cycle. I made a street lamp with a spotlight. I'm asking for a way to use nodes in for the lamps in the game engine.
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Blender Game not rendering models correctly, normals recalculated and flipped,

The model looks fine in blender (texture, material, and render) but when I run my app the parts of the model don't show, the normals have been recalculated and flipped many times (sometimes only ...
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29 views

How to make an object only collides with the terrain?

I have a question to the the collision in the Blender Game Engine. I made an character (a simple sphere). This character is on layer 2. A empty object is on layer 1. This empty spawns every 5 seconds ...
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25 views

How to save and load object position in bge?

I have tried other answers and none of them worked, I am using version 2.79 and am also new to this site, so forgive me if I do something wrong please.
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1answer
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BGE Scripting minimap issue

I am doing minimap and with script it should show You-are-here point with current position the only problem is - the red point is always shown outside of the minimap region, although it is moving ...
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Workable leaf springs in blender game

I need to make workable leaf springs and attach to a car in blender game ,What i need to use? Rigid body constraints?Or something bent and unbent with python script?
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1answer
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Typerror: 'vector' not callable

I am tying to make a go-kart game in blender. Im not even halfway completed but, my code doesnt seem to work. please help. this is the code: ...
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Blender (BGE) crashes when I open a socket

I am running this script on my BGE... I had issues receiving the socket information inside a while True loop. Then realised that the ...
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1answer
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BGE Mouse Look Min and Max Bounds Changing?

I have written a script in python that successfully saves and loads the position and rotation of my player cube and camera for use between scene transitions. However, something is going wrong with the ...
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67 views

Wheels of the car sinking on ground plane

I'm trying to make a drivable car. I made the floor a rigid body passive. The wheels are either convex hull or cylinder and the scale is applied (ctrl+A). When I press play in the blender game, the ...
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1answer
24 views

BGE: Which script names produce a “module has no attribute” error?

When I name a module script wave.py it breaks and I get this in the console: ...
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1answer
49 views

Blender Collision Simulation Data

Is it possible to access data from a collision, such as point of collision and impact force? I am trying to simulate a "drop test" in Blender and cannot figure out how to access the information. As of ...
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18 views

Is there any way to save a game in Blender without saving it as a game engine runtime?

Just curious about whether there is any way to export a game in blender without saving it as a game engine runtime, and as some other game engine format, for instance, one that I could upload to a ...
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Standalone Player crashes when trying to launch in fullscreen render mode

When I try to launch the standalone player in fullscreen mode (by ticking the box in the render tab) the game instantly crashes. From what I checked already it's not related to the stated resolution, ...
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Downsize Sci-Fi Corridor to Import into Unity

I created a SCI-FI Corridor and it has 4 different parts to it, being the Floor,Wall etc... To make it bigger I am really just Arraying or Duplicating my Corridor so it actually has the same 4 meshes ...
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Attach a two handed weapon to UE4 character

I want to make a animation set of a two handed sword, but i don't know how to attach both hands to the weapon, and i dont know how to retarget it to Unreal Engine if necessary need to use more bones, ...
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Setting object property with a python module's function

Is there a way to set an object property using the return value of a module function like this? I'm sure the module works because I can catch the final "value" of the function with that print() in ...
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1answer
25 views

BGE: Change Actuator's Track-to Time value using Python?

I want to change the Time value for an Edit Object: 'Track to' actuator in-game. Seems like something that should be achievable with Python - but I can't find any documentation on this. To add to the ...
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1answer
31 views

Blender Game Engine dynamic text wordwrap

I want to display some text that change dynamically when I select another item. Displaying the text is working, but I'm wondering if there is a way to make the text multilines and/or wordwraping it so ...
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1answer
32 views

Blender game hangs when serial read()

This is my first time using Blender. I have made a CPLD device that can transmit ASCII binary when pressing push buttons. It has been tested to work well on Spyder IDLE using pyserial. However, ...
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18 views

unexpected motion

I downloaded an open source character in order to use it in a Blender Game. This character contains a body and an armature. The issue is : when I put physic type as character and run Blender game ...
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337 views

Blender game recording at the wrong time

I have a simple animation for a midterm project; someone walks up and pushes dominoes over. I can set something with physics to knock the dominoes over at frame 125, then play the engine and he will ...
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How to move Modular Assets in game?

I'm not a newbie to BGE, but not an expert... heck not even intermediate. I started making Modular Assets for a game, but kind of got a little lost when it came to making them movable in game by the ...
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Blender order of execution

I got a test project where I created 2 gauges composed of 20 planes for every 5% each. First one works great and update nicely, second don't even show any planes. I tracked the results with a ...
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Branch starting not from bark using hair particle system [duplicate]

I am new at blender and I ran into a problem creating a tree using particle system hairs. I tried following a tutorial which shows how to make branches separetly (I creatied them from images in ...
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1answer
32 views

What does “data” inside standalone game mean in the Blender License? [closed]

The Blender License says that games you create with blender are not covered by their license, however, any "data" inside "standalone" games are subject to the license. Games created in Blender (....
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cutting off meshes in the bge (bad)

when i start my game in the bge, a plane is overlapping objects and they get closer when moving, but the part that the plane is extended to, is the part at the foremost of everything.
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Interactive Blender Enviroment

I am about to develop an application with blender and the openpose library. I want to read the pose of the person using the application and replicate it in it's avatar inside the enviroment. I saw ...
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Camera setting/unsetting parent problem

I'm new to Blender Game Engine and try to set a working side-scroller test project. I got a problem with the camera when i set the his parent to my character so the camera follows the caracter on a 2D ...
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1answer
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Apply collision event only on a specific mesh

I've been using Blender Cycle render for over an year and never done any game engine... This morning I looked a tutorial how to make an object move and after that I wanted to experiment a bit. I did ...
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How to prevent my lamp shining through materials

I have 2 Walls and a lamp in between them. The walls stays close to the floor, there is nothing between but the light is shinning through which is completely nonsense. How to prevent this behavior?