Tagged Questions

3
votes
0answers
105 views

Combining Effects

To be able to work efficiently with effects, isn't there a "good" way to combine multiple effects so that one effect handles stuff like "Multi texturing" and another controls the value like Ambient ...
1
vote
2answers
139 views

Diffuse light direction

I'm learning a tutorial from Rastertek about diffuse light with DX 11, here's the shader code: float4 LightPixelShader(PixelInputType input) : SV_TARGET { float4 textureColor; float3 ...
1
vote
1answer
423 views

how to modify shadow mapping in “3D Graphics with XNA Game Studio 4.0”?

So I've been following the tutorials from the book Sean James's "3D Graphics with XNA Game Studio 4.0", and have been doing fine until i reached the shadow mapping part. in this book it creates point ...
0
votes
2answers
494 views

how to make HLSL effect just for lighning without texture mapping?

I'm new to XNA, i created an effect and just want to use lightning but in default effect that XNA create we should do texture mapping or the model appears 'RED', because of this lines of code in the ...
4
votes
2answers
665 views

XNA 4.0 - Normal mapping shader - strange texture artifacts

I recently started using custom shader. Shader can do diffuse and specular lighting and normal mapping. But normal mapping is causing really ugly artifacts (some sort of pixeling noise) for textures ...
2
votes
1answer
228 views

Does the standard lighting equation ever allow objects to be brighter than their textures?

It occurred to me that the standard lighting setup you see in all the tutorials doesn't allow lights to actually make an object appear brighter than its texture. The light value is always clamped ...
6
votes
2answers
619 views

Rendering collections of light sources

I have a small test environment where small point lights are scattered. Players should able to collect them. The collectible lights are rendered using a simple billboard technique where two triangles ...
17
votes
3answers
2k views

How can I create a lighting effect like this?

This is the most beautiful 2d lighting I have ever seen, and I'd like to perform lighting like this too. How do I do it? I don't care about the physics or how the particles are simulated - I only ...