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Wiper and fog map for ALS glass effect

This commit is contained in:
Thorsten Renk 2015-03-11 11:04:48 +02:00
parent 3e6c115abd
commit 8beeb39932
3 changed files with 58 additions and 32 deletions

View file

@ -28,15 +28,16 @@
<negative-z>Aircraft/Generic/Effects/CubeMaps/fair-sky/fair-sky_nz.png</negative-z>
</images>
</texture>
<!--<glass-tint type="vec4d" n="0"> 0.5 0.5 1.0 2.0</glass-tint>-->
<glass-tint type="vec4d" n="0"> 1.0 1.0 1.0 0.4</glass-tint>
<glass-tint type="vec4d" n="0"> 1.0 1.0 1.0 1.0</glass-tint>
<splash-x><use>/environment/aircraft-effects/splash-vector-x</use></splash-x>
<splash-y><use>/environment/aircraft-effects/splash-vector-y</use></splash-y>
<splash-z><use>/environment/aircraft-effects/splash-vector-z</use></splash-z>
<rnorm><use>/environment/rain-norm</use></rnorm>
<gsnorm><use>/environment/aircraft-effects/ground-splash-norm</use></gsnorm>
<frost-level><use>/environment/aircraft-effects/frost-level</use></frost-level>
<use-reflection type="int">1</use-reflection>
<fog-level><use>/environment/aircraft-effects/fog-level</use></fog-level>
<use-reflection type="int">0</use-reflection>
<use-mask type="int">0</use-mask>
</parameters>
<technique n="4">
@ -84,18 +85,12 @@
<!-- The texture unit is always active because the shaders expect
that. -->
<unit>0</unit>
<!-- If there is a texture, the type in the derived effect
will be "2d". -->
<type><use>texture[0]/type</use></type>
<image><use>texture[0]/image</use></image>
<filter><use>texture[0]/filter</use></filter>
<wrap-s><use>texture[0]/wrap-s</use></wrap-s>
<wrap-t><use>texture[0]/wrap-t</use></wrap-t>
<!--
<internal-format>
<use>texture[0]/internal-format</use>
</internal-format>
-->
<internal-format> <use>texture[0]/internal-format</use> </internal-format>
</texture-unit>
<texture-unit>
<unit>1</unit>
@ -104,9 +99,7 @@
<filter><use>texture[1]/filter</use></filter>
<wrap-s><use>texture[1]/wrap-s</use></wrap-s>
<wrap-t><use>texture[1]/wrap-t</use></wrap-t>
<internal-format>
<use>texture[1]/internal-format</use>
</internal-format>
<internal-format><use>texture[1]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>2</unit>
@ -115,9 +108,7 @@
<filter><use>texture[2]/filter</use></filter>
<wrap-s><use>texture[2]/wrap-s</use></wrap-s>
<wrap-t><use>texture[2]/wrap-t</use></wrap-t>
<internal-format>
<use>texture[2]/internal-format</use>
</internal-format>
<internal-format><use>texture[2]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>3</unit>
@ -168,6 +159,11 @@
<type>float</type>
<value><use>frost-level</use></value>
</uniform>
<uniform>
<name>fog_level</name>
<type>float</type>
<value><use>fog-level</use></value>
</uniform>
<uniform>
<name>scattering</name>
<type>float</type>
@ -236,7 +232,12 @@
<uniform>
<name>use_reflection</name>
<type>int</type>
<value><use>use_reflection</use></value>
<value><use>use-reflection</use></value>
</uniform>
<uniform>
<name>use_mask</name>
<type>int</type>
<value><use>use-mask</use></value>
</uniform>
<uniform>
<name>colorMode</name>

View file

@ -455,6 +455,7 @@
<splash-vector-y type="float" userarchive="n">0.1</splash-vector-y>
<splash-vector-z type="float" userarchive="n">1.0</splash-vector-z>
<frost-level type="float" userarchive="n">0.0</frost-level>
<fog-level type="float" userarchive="n">0.0</fog-level>
<ground-splash-norm type="float" userarchive="n">0.0</ground-splash-norm>
</aircraft-effects>

View file

@ -19,12 +19,14 @@ uniform vec4 tint;
uniform float rain_norm;
uniform float ground_splash_norm;
uniform float frost_level;
uniform float fog_level;
uniform float splash_x;
uniform float splash_y;
uniform float splash_z;
uniform float osg_SimulationTime;
uniform int use_reflection;
uniform int use_mask;
float DotNoise2D(in vec2 coord, in float wavelength, in float fractionalMaxDotSize, in float dot_density);
float DropletNoise2D(in vec2 coord, in float wavelength, in float fractionalMaxDotSize, in float dot_density);
@ -35,17 +37,21 @@ void main()
vec4 texel;
vec4 frost_texel;
//vec4 func_texel;
vec4 func_texel;
texel = texture2D(texture, gl_TexCoord[0].st);
texel *=gl_Color;
frost_texel = texture2D(frost_texture, vertPos.xy * 7.0);
func_texel = texture2D(func_texture, gl_TexCoord[0].st
);
float noise_003m = Noise2D(vertPos.xy, 0.03);
float noise_0003m = Noise2D(vertPos.xy, 0.003);
// frost
float fth = (1.0-frost_level) * 0.4 + 0.3;
float fbl = 0.2 * frost_level;
@ -59,13 +65,15 @@ float background_frost = 0.5 * smoothstep(0.7,1.0,frost_level);
frost_texel.rgb = mix(frost_texel.rgb, vec3 (0.5,0.5,0.5), (1.0- smoothstep(0.0,0.02,frost_texel.a)));
frost_texel.a =max(frost_texel.a, background_frost * (1.0- smoothstep(0.0,0.02,frost_texel.a)));
frost_texel *= vec4(light_diffuse.rgb,1.0);
frost_texel *= vec4(light_diffuse.rgb,0.5) * (1.0 + 3.0 * Mie);
frost_factor = max(frost_factor, 0.8*background_frost);
texel.rgb = mix(texel.rgb, frost_texel.rgb, frost_texel.a * frost_factor * smoothstep(0.0,0.1,frost_level));
texel.a = max(texel.a, frost_texel.a * frost_level);
//texel.rgb = mix(texel.rgb, vec3 (1.0,1.0,1.0), 0.4 * smoothstep(0.7,1.0,frost_level) + 0.4*Mie);
// rain splashes
vec3 splash_vec = vec3 (splash_x, splash_y, splash_z);
float splash_speed = length(splash_vec);
@ -83,10 +91,11 @@ if (rnorm > 0.0)
if (splash_angle> 0.0)
{
// the dynamically impacting raindrops
//float time_shape = (1.0 - fract(8.0*osg_SimulationTime / 3.14)) * 1.7;
float time_shape = 1.0;
float base_rate = 6.0 + 3.0 * rnorm + 4.0 * (splash_speed - 1.0);
float base_density = 0.6 * rnorm + 0.4 * (splash_speed -1.0);
if (use_mask ==1) {base_density *= (1.0 - 0.5 * func_texel.g);}
float time_fact1 = (sin(base_rate*osg_SimulationTime));
float time_fact2 = (sin(base_rate*osg_SimulationTime + 1.570));
@ -106,8 +115,9 @@ if (rnorm > 0.0)
// the static pattern of small droplets created by the splashes
float sweep = min(1./splash_speed,1.0);
if (use_mask ==1) {sweep *= (1.0 - func_texel.g);}
rain_factor += DropletNoise2D(rainPos.xy, 0.02 * droplet_size ,0.5, 0.6* rnorm * sweep);
rain_factor += DotNoise2D(rainPos.xy, 0.012 * droplet_size ,0.7, 0.6* rnorm * sweep);
}
@ -127,17 +137,31 @@ if (use_reflection ==1)
// glass tint
vec4 fragColor = texel * tint;
fragColor = mix(fragColor, rainColor, rain_factor);
// fogging
//vec3 fogColor = vec3 (1.0,1.0,1.0);
//fragColor.rgb = mix(fragColor.rgb, fogColor.rgb, func_texel.r);
vec4 outerColor = mix(texel, rainColor, rain_factor);
outerColor *= tint;
gl_FragColor = fragColor;
// fogging - this is inside the glass
vec4 fog_texel = vec4 (0.6,0.6,0.6, fog_level);
if (use_mask == 1) {fog_texel.a = fog_texel.a * func_texel.r;}
fog_texel *= vec4(light_diffuse.rgb,1.0);
fog_texel.rgb *= (1.0 + 3.0 * Mie);
fog_texel.a *= min((1.0 + 0.5 * Mie), 0.85);
vec4 fragColor;
fragColor.rgb = mix(outerColor.rgb, fog_texel.rgb, fog_texel.a);
fragColor.a = max(outerColor.a, fog_texel.a);
gl_FragColor = clamp(fragColor,0.0,1.0);
//gl_FragColor = func_texel;
//gl_FragColor = reflection;
}