ア on Twitter: "#つぶやきGLSL #define v vec3 float f(v p){return .7*(length(max(abs(mod(p,1.)-.5)-.1,0.))*cos(t)+(length(p)-.75)*(1.-cos(t)));} void main(){v s,l;for(int i=0;i<64;i++){l+=f(s); s=v(0.,0.,2.)+v((gl_FragCoord.xy-r/2.)/3e2,-1.)*l;} gl_FragColor=vec4(length(s/l)/l,1.);}… https://t.co/3tKRiv3n5c"

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#つぶやきGLSL #define v vec3 float f(v p){return .7*(length(max(abs(mod(p,1.)-.5)-.1,0.))*cos(t)+(length(p)-.75)*(1.-cos(t)));} void main(){v s,l;for(int i=0;i<64;i++){l+=f(s); s=v(0.,0.,2.)+v((gl_FragCoord.xy-r/2.)/3e2,-1.)*l;} gl_FragColor=vec4(length(s/l)/l,1.);}pic.twitter.com/tqDVtp3byP