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MGE XE-like stomping

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AnyOldName3 2021-01-28 23:24:37 +00:00
parent 1737f737df
commit a81dfe9ccc
1 changed files with 9 additions and 0 deletions
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9
files/shaders/groundcover_vertex.glsl
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@ -61,11 +61,20 @@ vec2 groundcoverDisplacement(in vec3 worldpos, float h)
harmonics += vec2((1.0 + 0.14*v) * sin(3.0*osg_SimulationTime + worldpos.xy / 500.0)); harmonics += vec2((1.0 + 0.14*v) * sin(3.0*osg_SimulationTime + worldpos.xy / 500.0));
harmonics += vec2((1.0 + 0.28*v) * sin(5.0*osg_SimulationTime + worldpos.xy / 200.0)); harmonics += vec2((1.0 + 0.28*v) * sin(5.0*osg_SimulationTime + worldpos.xy / 200.0));
#if 0
// akortunov's height adjustment
float d = length(worldpos - footPos.xyz); float d = length(worldpos - footPos.xyz);
#else
float d = length(worldpos.xy - footPos.xy);
#endif
vec2 stomp = vec2(0.0); vec2 stomp = vec2(0.0);
if (d < 150.0 && d > 0.0) if (d < 150.0 && d > 0.0)
stomp = (60.0 / d - 0.4) * (worldpos.xy - footPos.xy); stomp = (60.0 / d - 0.4) * (worldpos.xy - footPos.xy);
#if 1
stomp *= clamp((worldpos.z - footPos.z) / h, 0.0, 1.0);
#endif
return clamp(0.02 * h, 0.0, 1.0) * (harmonics * displace + stomp); return clamp(0.02 * h, 0.0, 1.0) * (harmonics * displace + stomp);
} }