ア on Twitter: "#つぶやきGLSL #define v vec3 void main(){v s,l;for(int i=0;i<15;i++){l+=length(s-.1*sin(s*15.+t)*sin(s.y*20.+t)*sin(s.x*20.+t))-1.;s=v(0.,0.,2.)+v((gl_FragCoord.xy-r/2.)/3e2,-1.)*l;}gl_FragColor=vec4(s.z>.1?.02/abs(v(step(fract(length(s)*40.),.2))*length(s/l)/l-.9):v(0.),1.);}… https://t.co/UAk6OzMggi"

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#つぶやきGLSL #define v vec3 void main(){v s,l;for(int i=0;i<15;i++){l+=length(s-.1*sin(s*15.+t)*sin(s.y*20.+t)*sin(s.x*20.+t))-1.;s=v(0.,0.,2.)+v((gl_FragCoord.xy-r/2.)/3e2,-1.)*l;}gl_FragColor=vec4(s.z>.1?.02/abs(v(step(fract(length(s)*40.),.2))*length(s/l)/l-.9):v(0.),1.);}pic.twitter.com/9fFOJGRwOd