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ALS: Traffic shader uses car images on texture - artwork by Gilberto Agostinho

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This commit is contained in:
Thorsten Renk 2019-01-14 13:57:02 +02:00
parent 59f0bfc5ca
commit 3e4234717b
4 changed files with 153 additions and 49 deletions
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71
Effects/road.eff
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@ -8,12 +8,28 @@
<parameters>
<texture n="7">
<image>Textures/Terrain/grain_texture.png</image>
<type>2d</type>
<type>2d</type>
<filter>linear-mipmap-linear</filter>
<wrap-s>repeat</wrap-s>
<wrap-t>repeat</wrap-t>
<internal-format>normalized</internal-format>
</texture>
<texture n="8">
<image>Textures/Cars/cars.png</image>
<type>2d</type>
<filter>linear-mipmap-linear</filter>
<wrap-s>repeat</wrap-s>
<wrap-t>repeat</wrap-t>
<internal-format>normalized</internal-format>
</texture>
<texture n="9">
<image>Textures/Cars/cars-metadata.png</image>
<type>2d</type>
<filter>linear-mipmap-linear</filter>
<wrap-s>repeat</wrap-s>
<wrap-t>repeat</wrap-t>
<internal-format>normalized</internal-format>
</texture>
<grain-texture-enabled type="int">0</grain-texture-enabled>
<grain-magnification type="float">50</grain-magnification>
<lightmap-enabled type="int">1</lightmap-enabled>
@ -134,10 +150,27 @@
<use>texture[0]/internal-format</use>
</internal-format>
</texture-unit>
<!-- Reflection Noise texture unit-->
<!-- Car Metadata texture unit-->
<texture-unit>
<unit>1</unit>
<type>noise</type>
<image>
<use>texture[9]/image</use>
</image>
<type>
<use>texture[9]/type</use>
</type>
<filter>
<use>texture[9]/filter</use>
</filter>
<wrap-s>
<use>texture[9]/wrap-s</use>
</wrap-s>
<wrap-t>
<use>texture[9]/wrap-t</use>
</wrap-t>
<internal-format>
<use>texture[9]/internal-format</use>
</internal-format>
</texture-unit>
<!-- NormalMap texture unit-->
<texture-unit>
@ -184,6 +217,28 @@
<use>texture[4]/internal-format</use>
</internal-format>
</texture-unit>
<!-- Car shape texture unit-->
<texture-unit>
<unit>3</unit>
<image>
<use>texture[8]/image</use>
</image>
<type>
<use>texture[8]/type</use>
</type>
<filter>
<use>texture[8]/filter</use>
</filter>
<wrap-s>
<use>texture[8]/wrap-s</use>
</wrap-s>
<wrap-t>
<use>texture[8]/wrap-t</use>
</wrap-t>
<internal-format>
<use>texture[8]/internal-format</use>
</internal-format>
</texture-unit>
<!-- Reflection CubeMap texture unit-->
<texture-unit>
<unit>5</unit>
@ -276,8 +331,8 @@
</uniform>
<uniform>
<name>ReflNoiseTex</name>
<type>sampler-3d</type>
<name>CarMetaTex</name>
<type>sampler-2d</type>
<value type="int">1</value>
</uniform>
@ -287,6 +342,12 @@
<value type="int">2</value>
</uniform>
<uniform>
<name>CarTex</name>
<type>sampler-2d</type>
<value type="int">3</value>
</uniform>
<uniform>
<name>ReflMapTex</name>

131
Shaders/road-ALS-ultra.frag
View file

@ -6,7 +6,7 @@
// ported to Atmospheric Light Scattering
// by Thorsten Renk, 2013
// changes for road and traffic rendering
// by Thorsten Renk 2017
// by Thorsten Renk 2017 -2019
#version 120
varying vec3 VBinormal;
@ -22,8 +22,9 @@ varying float alpha;
uniform sampler2D BaseTex;
uniform sampler2D NormalTex;
uniform sampler2D ReflMapTex;
uniform sampler2D CarTex;
uniform sampler2D CarMetaTex;
uniform sampler2D ReflGradientsTex;
uniform sampler3D ReflNoiseTex;
uniform samplerCube Environment;
uniform sampler2D GrainTex;
@ -76,7 +77,6 @@ uniform float snowlevel;
uniform float snow_thickness_factor;
uniform float osg_SimulationTime;
uniform mat4 osg_ViewMatrix;
uniform float landing_light1_offset;
uniform float landing_light2_offset;
@ -112,7 +112,6 @@ vec3 searchlight();
vec3 landing_light(in float offset, in float offsetv);
vec3 filter_combined (in vec3 color) ;
vec3 addLights(in vec3 color1, in vec3 color2);
vec3 moonlight_perception (in vec3 light);
float light_func (in float x, in float a, in float b, in float c, in float d, in float e)
@ -192,8 +191,8 @@ void main (void)
vec4 texel = texture2D(BaseTex, gl_TexCoord[0].st);
vec4 nmap = texture2D(NormalTex, gl_TexCoord[0].st * nmap_tile);
vec4 reflmap = texture2D(ReflMapTex, gl_TexCoord[0].st);
vec4 noisevec = texture3D(ReflNoiseTex, rawpos.xyz);
vec4 noisevec = vec4 (1.0, 1.0, 1.0, 1.0);
vec4 grainTexel;
vec3 mixedcolor;
@ -217,14 +216,13 @@ void main (void)
///some generic light scattering parameters
vec3 shadedFogColor = vec3(0.55, 0.67, 0.88);
vec3 moonLightColor = vec3 (0.095, 0.095, 0.15) * moonlight;
moonLightColor = moonlight_perception (moonLightColor);
float alt = eye_alt;
float effective_scattering = min(scattering, cloud_self_shading);
/// BEGIN geometry for light
vec3 up = (osg_ViewMatrix * vec4(0.0,0.0,1.0,0.0)).xyz;
vec3 up = (gl_ModelViewMatrix * vec4(0.0,0.0,1.0,0.0)).xyz;
vec3 nVertVec = normalize(vertVec);
@ -347,6 +345,8 @@ void main (void)
float cSign = 1.0;
float total_traffic_density = 0.0;
vec4 carMetaTexel;
if (road_traffic_enabled == 1)
{
float cOffset = 0.0;
@ -377,6 +377,12 @@ void main (void)
float cColorRnd = (cRnd - 1.0 + cDisc)/ max(cDisc, 0.05);
float cColorRnd2 = rand2D(vec2 (cDomain, 0.5));
float cColumn = (cColorRnd2 * 16.0) - fract(cColorRnd2 * 16.0);
float cRow = (rand2D(vec2 (cDomain, 1.5)) * 2.0);
cRow = cRow- fract(cRow);
//cRow = 0.0;
vec3 cColor = vec3 (0.8 * (1.0 - cColorRnd), 0.8 * 2.0 * (0.5 - abs(cColorRnd - 0.5)) , 0.8 * cColorRnd);
cColor *= cColorRnd2;
@ -384,11 +390,25 @@ void main (void)
if (cSign > 0.0) {cPos = 1.0 - cPos;}
float cShape = smoothstep(0.0, 0.05, cPos) * (1.0-smoothstep(0.35, 0.4, cPos));
float ctPos;
if (roadCoords.s < 0.5)
{ctPos = clamp(5.0 * (roadCoords.s - 0.25), 0.0,1.0); }
else
{ctPos = clamp(5.0 * (roadCoords.s - 0.65), 0.0,1.0); }
float clPos = cPos;// + 0.45;
vec4 carTexel = texture2D(CarTex, vec2((ctPos + cColumn) / 16.0 , ((clPos + cRow) / 2.0) ));
carMetaTexel = texture2D(CarMetaTex, vec2((ctPos + cColumn) / 16.0 , ((clPos + cRow) / 2.0) ));
float laneShape = smoothstep(0.25, 0.28, roadCoords.s) * (1.0-smoothstep(0.42, 0.45, roadCoords.s));
laneShape += smoothstep(0.65, 0.68, roadCoords.s) * (1.0-smoothstep(0.82, 0.85, roadCoords.s));
cShape *= laneShape;
texel.rgb = mix(texel.rgb, cColor, cPresent * cShape);
//texel.rgb = mix(texel.rgb, cColor, cPresent * cShape);
texel.rgb = mix(texel.rgb, carTexel.rgb, cPresent * carTexel.a * laneShape);
//texel.rgb = mix(texel.rgb, vec3 (1.0, 0.0, 0.0) * cColorRnd2, 0.3);
}
@ -419,15 +439,19 @@ void main (void)
vec4 fresnel = texture2D(ReflGradientsTex, vec2(v, 0.75));
vec4 rainbow = texture2D(ReflGradientsTex, vec2(v, 0.25));
float nDotVP = max(0.0, dot(N, normalize(gl_LightSource[0].position.xyz)));
//float nDotHV = max(0.0, dot(N, normalize(gl_LightSource[0].halfVector.xyz)));
//float nDotVP = max(0.0, dot(N, normalize(gl_LightSource[0].position.xyz)));
float nDotVP = max(0.0, dot(N, normalize(gl_LightSource[0].position.xyz)));
//float nDotHV = max(0.0, dot(N, normalize(gl_LightSource[0].halfVector.xyz)));
float nDotHV = max(0.0, dot(N,HV));
//glare on the backside of tranparent objects
if ((gl_FrontMaterial.diffuse.a < 1.0 || texel.a < 1.0)
&& dot(N, normalize(gl_LightSource[0].position.xyz)) < 0.0) {
nDotVP = max(0.0, dot(-N, normalize(gl_LightSource[0].position.xyz)) * (1.0 -texel.a) );
nDotHV = max(0.0, dot(-N, HV) * (1.0 -texel.a) );
}
//if ((gl_FrontMaterial.diffuse.a < 1.0 || texel.a < 1.0)
// && dot(N, normalize(gl_LightSource[0].position.xyz)) < 0.0) {
// nDotVP = max(0.0, dot(-N, normalize(gl_LightSource[0].position.xyz)) * (1.0 -texel.a) );
// nDotHV = max(0.0, dot(-N, HV) * (1.0 -texel.a) );
// }
float nDotVP1 = 0.0;
float nDotHV1 = 0.0;
@ -480,6 +504,7 @@ void main (void)
vec4 Specular = gl_FrontMaterial.specular * light_diffuse * pf + gl_FrontMaterial.specular * light_ambient * pf1;
Specular+= gl_FrontMaterial.specular * pow(max(0.0,-dot(N,nVertVec)),gl_FrontMaterial.shininess) * vec4(secondary_light,1.0);
//vec4 color = gl_Color + Diffuse * gl_FrontMaterial.diffuse;
vec4 color = Diffuse;// * gl_FrontMaterial.diffuse;
@ -627,38 +652,56 @@ void main (void)
float viewAngleFactor = smoothstep(-0.05, 0.0, cSign * dot(normalize(VBinormal), nVertVec));
vec3 pCLColor = vec3 (0.95, 1.0, 1.0);
vec3 pTLColor = vec3 (0.95, 0.0, 0.0);
// mean illumination by car headlights
pLMColor = pLMColor + 0.2 * min(1.0,total_traffic_density) * pCLColor;
float pCLIntensity = smoothstep(0.4, 0.6, cTag) * (1.0-smoothstep(0.6, 0.8, cTag));
float laneFact = smoothstep(0.25, 0.3, roadCoords.s) * (1.0-smoothstep(0.3, 0.35, roadCoords.s));
laneFact += smoothstep(0.35, 0.4, roadCoords.s) * (1.0-smoothstep(0.4, 0.45, roadCoords.s));
laneFact += smoothstep(0.65, 0.7, roadCoords.s) * (1.0-smoothstep(0.7, 0.75, roadCoords.s));
laneFact += smoothstep(0.75, 0.8, roadCoords.s) * (1.0-smoothstep(0.8, 0.85, roadCoords.s));
pCLIntensity = pCLIntensity * laneFact * cPresent;
pCLColor *= pCLIntensity;
pCLColor *= (0.7 + 0.3 * viewAngleFactor);
vec3 pTLColor = vec3 (0.95, 0.0, 0.0);
float pTLIntensity;
if (cSign == 1.0)
{
pTLIntensity = smoothstep(0.9, 0.94, cTag) * (1.0-smoothstep(0.96, 1.0, cTag));
}
else
{
pTLIntensity = smoothstep(0.0, 0.04, cTag) * (1.0-smoothstep(0.06, 0.1, cTag));
}
pTLIntensity = pTLIntensity * laneFact * cPresent * (1.0 - viewAngleFactor);
//float pCLIntensity = smoothstep(0.4, 0.6, cTag) * (1.0-smoothstep(0.6, 0.8, cTag));
//float laneFact = smoothstep(0.25, 0.3, roadCoords.s) * (1.0-smoothstep(0.3, 0.35, roadCoords.s));
//laneFact += smoothstep(0.35, 0.4, roadCoords.s) * (1.0-smoothstep(0.4, 0.45, roadCoords.s));
//laneFact += smoothstep(0.65, 0.7, roadCoords.s) * (1.0-smoothstep(0.7, 0.75, roadCoords.s));
//laneFact += smoothstep(0.75, 0.8, roadCoords.s) * (1.0-smoothstep(0.8, 0.85, roadCoords.s));
//pCLIntensity = pCLIntensity * laneFact * cPresent;
pCLColor = pCLColor + pTLColor * pTLIntensity;
float pCLIntensity, pTLIntensity;
if (cSign == -1.0)
{
pCLIntensity = carMetaTexel.r * cPresent * smoothstep(0.45, 0.55, cTag) * viewAngleFactor ;
pCLIntensity += 0.85 * carMetaTexel.b * cPresent * smoothstep(0.45, 0.55, cTag);
pTLIntensity = carMetaTexel.r * cPresent * (1.0 - smoothstep(0.45, 0.55, cTag)) * (1.0 - viewAngleFactor);
pTLIntensity += 0.85 * carMetaTexel.b * cPresent * (1.0 - smoothstep(0.45, 0.55, cTag));
}
else
{
pCLIntensity = carMetaTexel.r * cPresent * (1.0 - smoothstep(0.45, 0.55, cTag)) *viewAngleFactor ;
pCLIntensity += 0.85 * carMetaTexel.b * cPresent * (1.0 - smoothstep(0.45, 0.55, cTag));
pTLIntensity = carMetaTexel.r * cPresent * smoothstep(0.45, 0.55, cTag) * (1.0 - viewAngleFactor);
pTLIntensity += 0.85 * carMetaTexel.b * cPresent * smoothstep(0.45, 0.55, cTag);
}
//pCLColor *= pCLIntensity;
//if (cSign == 1.0)
// {
// pTLIntensity = smoothstep(0.9, 0.94, cTag) * (1.0-smoothstep(0.96, 1.0, cTag));
// }
//else
// {
// pTLIntensity = smoothstep(0.0, 0.04, cTag) * (1.0-smoothstep(0.06, 0.1, cTag));
// }
//pTLIntensity = pTLIntensity * laneFact * cPresent * (1.0 - viewAngleFactor);
pCLColor = pCLColor * pCLIntensity + pTLColor * pTLIntensity;
pLMColor = clamp(pLMColor, 0.0, 1.0);
@ -819,7 +862,7 @@ void main (void)
fragColor.rgb = mix(hazeColor +secondary_light * fog_backscatter(mvisibility), fragColor.rgb,transmission);
fragColor.rgb = filter_combined(fragColor.rgb);
gl_FragColor = fragColor;
}

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Textures/Cars/cars-metadata.png Executable file
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Textures/Cars/cars.png Executable file
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