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ALS road effect: Configure streetlight color, simulate traffic jams

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This commit is contained in:
Thorsten Renk 2017-03-07 12:10:34 +02:00
parent 24375cfcb6
commit 7cbdc2cbfe
2 changed files with 19 additions and 3 deletions
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12
Effects/road.eff
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@ -1,5 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- generic road effect for OSM detailed roads -->
<PropertyList>
<name>Effects/road</name>
<inherits-from>Effects/model-combined-deferred</inherits-from>
@ -15,6 +16,7 @@
</texture>
<grain-texture-enabled type="int">0</grain-texture-enabled>
<grain-magnification type="float">50</grain-magnification>
<lightmap-color type="vec3d" n="0"> 0.8 0.8 1.0 </lightmap-color>
<road-traffic-enabled><use>/sim/rendering/osm/road-traffic-enabled</use></road-traffic-enabled>
<road-traffic-density><use>/sim/rendering/osm/road-traffic-density</use></road-traffic-density>
</parameters>
@ -480,6 +482,16 @@
<use>road-traffic-density</use>
</value>
</uniform>
<!-- road illumination -->
<uniform>
<name>streetlight_color</name>
<type>float-vec3</type>
<value>
<use>lightmap-color</use>
</value>
</uniform>
<!-- use a grain texture map-->

10
Shaders/road-ALS-ultra.frag
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@ -88,6 +88,8 @@ uniform vec3 dirt_r_color;
uniform vec3 dirt_g_color;
uniform vec3 dirt_b_color;
uniform vec3 streetlight_color;
float DotNoise2D(in vec2 coord, in float wavelength, in float fractionalMaxDotSize, in float dot_density);
float shadow_func (in float x, in float y, in float noise, in float dist);
float fog_func (in float targ, in float altitude);
@ -304,8 +306,10 @@ void main (void)
float cSign = 1.0;
if (roadCoords.s > 0.5) {cSign = -1.0;}
float total_traffic_density = road_traffic_density * rtype_traffic_density;
float cCoord = roadCoords.t;
cCoord += 0.3 * osg_SimulationTime * cSign * rtype_traffic_speed;
cCoord += 0.3 * osg_SimulationTime * cSign * rtype_traffic_speed * (1.0 - (0.9 * smoothstep(1.0, 2.5, total_traffic_density)));
cCoord *= 5.0;
cTag = fract(cCoord);
@ -313,7 +317,7 @@ void main (void)
float cRnd = rand2D(vec2 (cDomain, cSign));
cPresent = 0.0;
float cDisc = 0.2 * road_traffic_density * rtype_traffic_density;
float cDisc = 0.2 * total_traffic_density;
if (cRnd > 1.0 - cDisc) {cPresent = 1.0;}
float cColorRnd = (cRnd - 1.0 + cDisc)/ max(cDisc, 0.05);
@ -551,7 +555,7 @@ void main (void)
vec3 pLMColor = vec3 (0.941, 0.682, 0.086);
vec3 pLMColor = streetlight_color;//vec3 (0.941, 0.682, 0.086);
float pLMIntensity = smoothstep(0.0, 0.4, roadCoords.s) * (1.0 - smoothstep(0.6, 1.0, roadCoords.s));
pLMIntensity = 0.5 * rtype_base_illumination + 0.1 * max(0.0,sin(4.0 * roadCoords.t));