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@@ -141,8 +141,8 @@ float SampleCanvas(vec2 U, vec2 dir,float rfac, float force, float gunky){
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vec3 vx=normalize(vec3(d,0,hr)-vec3(0,0,h)),vy=normalize(vec3(0,d,hu)-vec3(0,0,h)),vz=cross(vx,vy);
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float useforce=force*rfac;
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float scrape=dot(normalize(vz),vec3(-normalize(dir).xy,0))*mix(0.3,1.,useforce);
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- float top=h-(1.-pow(useforce,1.5)*2);
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- float fac=(gunky>=0.)?mix(1.,top,gunky):mix(1.,1.-h,-gunky*0.8);
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+ float top=h-(1.-pow(useforce,1.5)*2); float tophard=smoothstep(0.4,0.6,top);
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+ float fac=(gunky>=0.)?mix(mix(1.,top,gunky),tophard,gunky):mix(1.,1.-h,-gunky*0.8);
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fac=max(fac,scrape*clamp(gunky,0,1));
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fac=clamp(fac,0,1);
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fac*=rfac;
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