serviere/EnginPasTangible
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Merge branch 'master' of https://git.etud.insa-toulouse.fr/serviere/EnginPasTangible

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MagicTINTIN 2023-03-21 15:10:51 +01:00
commit 1a75183b2c
1 changed files with 9 additions and 4 deletions
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13
shaders/default.fs
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@ -59,13 +59,13 @@ float SDF_Box(vec3 p, vec3 t){
}
float SDF_Global(vec3 p){
return max(SDF_Sphere(p,1.),-SDF_Box_Frame(rotate(p,vec3(1.*Time,2.0*Time,3.*Time)),vec3(.8,.8,.8),.2));
return min(SDF_Box(p,vec3(10.,0.1,10.)),SDF_Box_Frame(rotate(vec3(0.,-2.,0.)+p,vec3(.3*Time,.2*Time,.1*Time)),vec3(.8,.8,.8),.2));
}
vec4 Get_Impact(vec3 origin,vec3 dir){//must have length(dir)==1
vec3 pos=origin;
float dist;
for(int i=0;i<30;i++){
for(int i=0;i<60;i++){
dist=SDF_Global(pos);
pos+=dist*dir;
if(dist<=.01) return vec4(pos,1.);
@ -85,8 +85,13 @@ vec3 Get_Color(vec3 origin,vec3 dir){
vec4 impact = Get_Impact(origin,dir);
if(impact.w<0.) return vec3(.5,.8,.9)+.5*dir.y+.05*clamp(origin.y-10.,-10.,10.);//(impact.y+1.)*.05*vec3(.5,.7,1.);
vec3 normale=grad(impact.xyz);
vec3 sunPos=vec3(3.,3.5,.5);//vec3(3.*sin(Time*1.5),3.*cos(Time*3.),3.*cos(Time*1.5));
return vec3(clamp(0.,1.,dot(sunPos-impact.xyz,normale)));//normale;
vec3 symetrique= dir-2.0*dot(dir,normale)*normale;
vec4 reflexion = Get_Impact(impact.xyz+0.02*normale,normalize(symetrique));
float g=reflexion.w<0.?1.5:1.;
vec3 sunPos=vec3(0.,10.,.5);//vec3(3.,3.5,.5);//vec3(3.*sin(Time*1.5),3.*cos(Time*3.),3.*cos(Time*1.5));
vec4 ombre = Get_Impact(impact.xyz+0.02*normale,normalize(sunPos-impact.xyz));
float f=ombre.w<0.?1.:.5;
return vec3(clamp(0.,1.,dot(sunPos-impact.xyz,normale)))*f*g;
}
float Mandel(vec2 co){