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Add world space distance fog

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This commit is contained in:
Daniel Evans 2016-05-25 02:15:51 +01:00
parent f8a90a5eb6
commit 230ad972f0
1 changed files with 5 additions and 4 deletions
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9
rwengine/src/render/GameShaders.cpp
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@ -160,7 +160,7 @@ layout(location = 3) in vec2 texCoords;
out vec3 Normal;
out vec2 TexCoords;
out vec4 Colour;
out vec3 WorldSpace;
out vec4 WorldSpace;
layout(std140) uniform SceneData {
mat4 projection;
@ -190,7 +190,7 @@ void main()
vec4 viewspace = view * worldspace;
gl_Position = projection * viewspace;
WorldSpace = worldspace.xyz;
WorldSpace = vec4(worldspace.xyz, length(worldspace.xyz - campos.xyz));
})";
const char* WorldObject::FragmentShader = R"(
@ -199,7 +199,7 @@ const char* WorldObject::FragmentShader = R"(
in vec3 Normal;
in vec2 TexCoords;
in vec4 Colour;
in vec3 WorldSpace;
in vec4 WorldSpace;
uniform sampler2D texture;
out vec4 fragOut;
@ -240,7 +240,8 @@ void main()
if(visibility <= filterMatrix[int(gl_FragCoord.x)%4][int(gl_FragCoord.y)%4]) discard;
if(diffuse.a <= alphaThreshold) discard;
vec4 colour_dyn = diffuse * colour;
fragOut = vec4(colour_dyn.rgb * dynamic.rgb + ambient.rgb * ambient.a, colour_dyn.a);
float fog = 1.0 - clamp( (fogEnd-WorldSpace.w)/(fogEnd-fogStart), 0.0, 1.0 );
fragOut = vec4(mix(colour_dyn.rgb * dynamic.rgb + ambient.rgb * ambient.a, fogColor.rgb, fog), colour_dyn.a);
})";
const char* Particle::FragmentShader = R"(