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14
votes
2answers
2k views

What is billboarding, and can/should it be used in 3D games to create special effects for weapon blasting effects?

What is billboarding, and can or should it be used to create special effects for 3D games on weapon blasting effects?
11
votes
0answers
387 views

Ogre PSSM Grass Receiving Shadows

So I made the switch to Ogre3D (v1.7) and using PagedGeometry. What I'm trying to do is make a simple scene with a terrain, some trees and grasses. In a nutshell, I would like to achieve this kind of ...
6
votes
3answers
642 views

shadowing billboards

I have a lot of billboarded 3D spheres (they have a heightmap so work properly with depth and penetration; although each is made of just a quad (with slight distortion), they look and feel and are ...
4
votes
1answer
151 views

Rotate billboard towards camera

I'm trying to create a particle system in OpenGL, and as such I need to use billboards. I need these billboards to face the camera at all times. The tutorials I've been following only rotated the ...
4
votes
1answer
2k views

How do I implement camera axis aligned billboards?

I am trying to make an axis-aligned billboard with Pyglet. I have looked at several tutorials, but they only show me how to get the up, right, and look vectors. So far this is what I have: target = ...
3
votes
1answer
3k views

Efficient billboarding sprites in Unity 5

What's the most efficient way to do billboarding sprites in Unity 5? I want to make a forest of sprite trees in 3d space. Those sprites need to face the camera at all times. I am working on VERY ...
3
votes
2answers
576 views

What are the fundamentals of a Quad Billboarding effect?

I'm taking my first venture in to writing a shader and what I really need to do is create a billboarding effect. A thorough Google search turns up a number of threads on the topic and they always end ...
3
votes
2answers
453 views

Laser Beam End Points Problems

I am building a game in XNA that features colored laser beams in 3D space. The beams are defined as: Segment start position Segment end position Line width For rendering, I am using 3 quads: ...
3
votes
2answers
69 views

How would I create a billboard that is fixed to my camera's farplane?

I'm trying to set a GameObject(plane) to be positioned at my camera's farplane. I plan on using this billboard as a sort of dynamic skybox. How would I create a billboard that is fixed to my camera's ...
2
votes
1answer
107 views

Proper way to draw 1000 billboards that always face the camera

I have up to 1000 visible GameObjects with trivial plane meshes, which are essentially sprites/billboards and which should always face in the relative direction -camera.forward. There are so many ...
2
votes
1answer
909 views

Billboarding restricted to an axis (cylindrical)

I have succesfully created a GLSL shader for a billboarding effect. I want to tweak this to restrict the billboarding to an arbitrary axis, i.e. a billboarded quad only rotates itself about the ...
1
vote
1answer
6k views

Programmatically creating billboards in unity

What is the most efficient way to render a billboard in Unity? In order to apply a texture to something must it be a GameObject with a Mesh component? In which case, is my best bet to create a ...
1
vote
1answer
648 views

Compute billboard rotation

I'm trying to compute a matrix to have object always facing the camera. For the moment, my result look pretty good, the problem is that my original billboard scale isn't preserved (Every billboard ...
1
vote
1answer
1k views

JMonkey - Create health bar?

How can I create a health bar in JMonkey? Is there some documentation that can help? I am working on a game, specifically “Battleship”, using the JMonkey Engine (JME3). I want to add health bars on ...
1
vote
1answer
713 views

How to create a sun billboard with Ogre3d

I've been working with a few different engines alongside trying to code my own project. Rather than rewrite an entire renderer, etc I am using Ogre3d. To begin with I am trying to implement a very ...
1
vote
1answer
244 views

xna: Methods for having sprite characters in 3d game?

Methods for having sprite characters in 3d game? I am making a game much like Doom. The world is 3d but objects and characters are 2d sprites. I am not asking about billboarding objects. I am asking ...
1
vote
0answers
4 views

Learning how to make imposters manually in Unity (or: how to render an object to a texture not what camera sees)?

I am trying to learn the most performant way to make an imposter in Unity manually - not using pre-fabricated solutions. My first guess is that it should be achieved by using RenderTexture and a ...
1
vote
0answers
564 views

opengl volumetric billboard implementation: general idea + geometry shader [closed]

A while ago I decided to implement the volumetric billboards technique in my university project (C++ & OpenGL 4.3). I passed the subject but failed to implement the mentioned technique. I'd like ...
0
votes
1answer
513 views

Why are my geometry-shader-generated billboards not showing up given the following code?

My program is a rain particle system. After processing a list of positions of rain particles, I passed them to the geometry shader for generating a billboard for each position. If I use a simple ...
0
votes
2answers
71 views

How does billboarding 3D sprites affect performance?

I was reading the Unity manual on trees and one of the claims made is as follows: Unity uses optimisations (eg, billboarding for distant trees) to maintain good rendering performance... I was ...
0
votes
1answer
36 views

2.5D overlapping

I started making a game, wich has a 3d engine under it, but achieves a 2d look by using ortographic camera and billbiards. Similar to how Don't starve, Realm of the mad god and (I think) the new ...
0
votes
0answers
32 views

Billboard a quad to a position

I am trying to make a custom billboarding effect. I know that standard billboarding causes a quad to always face a camera, taking the camera position and view direction into account. I want a slightly ...
0
votes
1answer
869 views

iOS OpenGL ES 2.0 How to Billboard on Sphere and Rotate with Sphere

I have a sphere (earth) in OpenGL ES 2.0 for iOS. I also have markers that I want to place at lat/lons on the earth - but I want the markers to always face the user ( billboards ) but also move with ...