Tagged Questions
5
votes
2answers
181 views
Improving the efficiency of my bloom/glow shader
I'm making a neon style game where everything is glowing but the glow I have is kinda small and I want to know if there's an efficient way to increase the size of it other than increasing the pixel ...
7
votes
2answers
199 views
Fast lighting with multiple lights
How can I implement fast lighting with multiple lights?
I don't want to restrain the player, he can place an unlimited number and possibly overlapping (point) lights into the level.
The problem is ...
0
votes
1answer
45 views
Why i can not load a simple pixel shader effect (. fx) file in xna?
I just want to load a simple *.fx file into my project to make a (pixel shader) effect.
But whenever I try to compile my project, I get the following error in visual studio Error List:
Errors ...
0
votes
1answer
63 views
XNA Shader has an unwanted tint
I'm working on a shader but it has a weird tint to it and I'm not sure why. Right now it's extremely simple, it just sets a rendertarget, draws to it, passes it as a texture to the shader then oututs ...
0
votes
2answers
192 views
Help on my glow shader!
I'm trying to create a glow shader for a neon style game but I'm having a little trouble with rendertargets. Right now all I want is something VERY simple where I change the rendertarget, draw to it ...
1
vote
1answer
82 views
XNA Strange Lighting, Shader
Hey guys, i have strange lighting problem.
I've written my own "deferred lighting" shader and this happend:
Pic: Normal-Map
Pic: Light-Map
As long as i only use one big mesh everything seems ...
2
votes
2answers
127 views
How do I rotate a single object in HLSL?
I have a World with a 3D model of a head in it and that World rotates, like such:
protected override void Update(GameTime gameTime)
{
//other stuff
angle += 0.00005f;
//more other stuff
...
0
votes
0answers
44 views
XNA HLSL no model textures
I am using XNA and HLSL to render all the models in my game, so far there is only one, a flashlight. My flashlight model is a .fbx file type, and it loads the model in the game perfectly fine. ...
3
votes
1answer
135 views
Outlining external edges on a complex shape made of cubes?
A gallery of my problem can be found here. I had to do it this way as it won't let me post more than 2 links due to my reputation.
I'm trying to use 3D cubes to generate an isometric cube world.
I ...
2
votes
0answers
128 views
XNA 4.0 Pixel Shader 3.0 Exact Texture Lookup/Sample Issue
I am stuck on trying to solve this problem. I originally had some shaders written that worked for XNA 3.1, but after converting to XNA 4.0 they would no longer compile due to instruction counts, flow ...
1
vote
2answers
118 views
XNA HLSL Shader Glow
I have googled this to death, and I still don't quite understand it.
I'm trying to create a glow effect in XNA using HLSL. A long time ago I was able to do it the way most people suggest which is by ...
4
votes
2answers
142 views
Refractive blur in XNA?
I'm writing a 2D hack-and-slash game using XNA. I really want to implement the blur-like, refractive effect of a sword or such moving really quickly, seen in such games as Dust: An Elysian Tail and ...
0
votes
1answer
99 views
Angle to Vector3?
I am working on getting my directional lights to match the sun in my atmospheric scattering shader.
I have a float that ranges from 0 to 6.28 (TwoPi). How would I calculate a vector3 from this angle?
...
2
votes
0answers
100 views
SSAO Distortion
I'm currently (attempting) to add SSAO to my engine, except it's...not really work, to say the least. I use a deferred renderer to render my scene. I have four render targets: Albedo, Light, Normal, ...
0
votes
2answers
93 views
HLSL Pixel Shader Compile, Flow Control, Instruction Count, XNA Issue
im trying to find help with an issue im having moving from the XNA 3.1 framework to XNA 4.0. The shaders I wrote for my 2D game work fine in XNA 3.1, but wont even compile in 4.0.
At first I got ...
