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More customizable ALS airport keep effect

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This commit is contained in:
Thorsten Renk 2016-02-03 10:01:59 +02:00
parent f08f21902c
commit 2366eaec94
2 changed files with 33 additions and 8 deletions
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18
Effects/airfield.eff
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@ -19,7 +19,10 @@
<wrap-t>repeat</wrap-t>
<internal-format>normalized</internal-format>
</texture>
<base_layer_magnification>5.0</base_layer_magnification>
<overlay_layer_magnification>4.0</overlay_layer_magnification>
<use_overlay>0</use_overlay>
<use_color_overlay>1</use_color_overlay>
<grit_alpha>1.0</grit_alpha>
<overlay_bias>0.0</overlay_bias>
<overlay_alpha>1.0</overlay_alpha>
@ -205,6 +208,16 @@
<type>float</type>
<value><use>overlay_alpha</use></value>
</uniform>
<uniform>
<name>base_layer_magnification</name>
<type>float</type>
<value><use>base_layer_magnification</use></value>
</uniform>
<uniform>
<name>overlay_layer_magnification</name>
<type>float</type>
<value><use>overlay_layer_magnification</use></value>
</uniform>
<uniform>
<name>cloud_self_shading</name>
<type>float</type>
@ -475,6 +488,11 @@
<type>int</type>
<value> <use>use_overlay</use></value>
</uniform>
<uniform>
<name>use_color_overlay</name>
<type>int</type>
<value> <use>use_color_overlay</use></value>
</uniform>
<uniform>
<name>use_searchlight</name>
<type>int</type>

23
Shaders/airfield-ALS.frag
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@ -33,6 +33,8 @@ uniform float snow_thickness_factor;
uniform float grit_alpha;
uniform float overlay_bias;
uniform float overlay_alpha;
uniform float base_layer_magnification;
uniform float overlay_layer_magnification;
uniform float wetness;
uniform float air_pollution;
uniform float season;
@ -44,6 +46,7 @@ uniform int quality_level;
uniform int tquality_level;
uniform int cloud_shadow_flag;
uniform int use_overlay;
uniform int use_color_overlay;
uniform int use_searchlight;
uniform int use_landing_light;
uniform int use_alt_landing_light;
@ -151,7 +154,7 @@ float noise_2000m = Noise3D(worldPos.xyz, 2000.0);
// get the texels
texel = texture2D(texture, gl_TexCoord[0].st * 5.0);
texel = texture2D(texture, gl_TexCoord[0].st * base_layer_magnification);
float local_autumn_factor = texel.a;
float distortion_factor = 1.0;
@ -161,22 +164,23 @@ float noise_2000m = Noise3D(worldPos.xyz, 2000.0);
if (quality_level > 3)
{
//snow_texel = texture2D(snow_texture, gl_TexCoord[0].st);
float sfactor;
snow_texel = vec4 (0.95, 0.95, 0.95, 1.0) * (0.9 + 0.1* noise_50m + 0.1* (1.0 - noise_10m) );
snow_texel.a = 1.0;
noise_term = 0.1 * (noise_50m-0.5);
sfactor = 1.0;//sqrt(2.0 * (1.0-steepness)/0.03) + abs(ct)/0.15;
noise_term = noise_term + 0.2 * (noise_10m -0.5) * (1.0 - smoothstep(10000.0*sfactor, 16000.0*sfactor, dist) ) ;
noise_term = noise_term + 0.3 * (noise_5m -0.5) * (1.0 - smoothstep(1200.0 * sfactor, 2000.0 * sfactor, dist) ) ;
if (dist < 1000.0*sfactor){ noise_term = noise_term + 0.3 * (noise_1m -0.5) * (1.0 - smoothstep(500.0 * sfactor, 1000.0 *sfactor, dist) );}
noise_term = noise_term + 0.2 * (noise_10m -0.5) * (1.0 - smoothstep(10000.0, 16000.0, dist) ) ;
noise_term = noise_term + 0.3 * (noise_5m -0.5) * (1.0 - smoothstep(1200.0 , 2000.0 , dist) ) ;
if (dist < 1000.0){ noise_term = noise_term + 0.3 * (noise_1m -0.5) * (1.0 - smoothstep(500.0 , 1000.0 , dist) );}
snow_texel.a = snow_texel.a * 0.2+0.8* smoothstep(0.2,0.8, 0.3 +noise_term + snow_thickness_factor +0.0001*(relPos.z +eye_alt -snowlevel) );
}
if (use_overlay == 1)
{
overlay_texel = texture2D(overlay_texture, gl_TexCoord[0].st * 4.0);
overlay_texel = texture2D(overlay_texture, gl_TexCoord[0].st * overlay_layer_magnification);
texel.rgb = mix(texel.rgb, overlay_texel.rgb, overlay_texel.a * overlay_alpha * smoothstep(0.45, 0.65, overlay_bias + (0.5 * noise_1m + 0.1 * noise_2m + 0.4 * noise_10m)));
texel = mix(texel, overlay_texel, overlay_alpha * smoothstep(0.45, 0.65, overlay_bias + (0.5 * noise_1m + 0.1 * noise_2m + 0.4 * noise_10m)));
}
@ -203,11 +207,14 @@ if ((dist < 3000.0)&& (quality_level > 3) && (wetness>0.0))
// color and shade variation of the grass
if (use_color_overlay)
{
float nfact_1m = 3.0 * (noise_1m - 0.5) * detail_fade(1.0, abs(ct),dist);//* (1.0 - smoothstep(3000.0, 6000.0, dist/ abs(ct)));
float nfact_5m = 2.0 * (noise_5m - 0.5) * detail_fade(2.0, abs(ct),dist);;
float nfact_10m = 1.0 * (noise_10m - 0.5);
texel.rgb = texel.rgb * (0.85 + 0.1 * (nfact_1m * detail_fade(1.0, abs(ct),dist) + nfact_5m + nfact_10m) * grit_alpha);
texel.r = texel.r * (1.0 + 0.14 * smoothstep(0.5,0.7, 0.33*(2.0 * noise_10m + (1.0-noise_5m))));
}
// autumn colors