rose quartz + DOF #glsl #generative #tinycode #codegolf
vec3 q=vec3(0,0,7e3),v=FC.rgb-r.xyx*.5,p,u=sin(FC.rgb*PI);v-=u*4.;for(float i,s;i++<67.;s=abs(2e3-length(p.yz))-3e1,q+=sin(i)+v*.7/r.x*s,o+=exp(-s*s/vec4(4,1,2,1))/i)for(p=q+u*4e4/r.x,s=7e3;9.<s;p=p.zxy+s*.02*sin(p/s*17.),s*=.8)p.zx*=rotate2D(s+(s==7e3?t*.2:0.));