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Description: Fragmentarium - script below (I made some post color adjustments)
Stats: Total Favorities: 0 View Who Favorited Filesize: 647.4kB Height: 940 Width: 1600 Discussion Topic: View Topic Keywords: fragmentarium orbittraps Posted by: Kali January 21, 2014, 06:32:42 AM Rating: by 2 members. Image Linking Codes
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Comments (2) | |
Tim Emit | January 22, 2014, 09:44:26 AM brilliant imagery Kali, thanks for sharing |
Kali | January 21, 2014, 06:34:04 AM Code: #vertex #group Camera // Use this to adjust clipping planes uniform vec2 Center; slider[(-10,-10),(0,0),(10,10)] NotLockable uniform float Zoom; slider[0,1,100] NotLockable uniform float AntiAliasScale; slider[0,1,5] uniform vec2 pixelSize; varying vec2 coord; varying vec2 aaScale; varying vec2 viewCoord; void main(void) { float ar = pixelSize.y/pixelSize.x; gl_Position = gl_Vertex; viewCoord = (gl_ProjectionMatrix*gl_Vertex).xy; coord = (((gl_ProjectionMatrix*gl_Vertex).xy*vec2(ar,1.0))/Zoom+ Center); aaScale = vec2(gl_ProjectionMatrix[0][0],gl_ProjectionMatrix[1][1])*pixelSize*AntiAliasScale/Zoom; } #endvertex uniform float Zoom; uniform vec2 globalPixelSize; in vec2 coord; in vec2 aaScale; //orbit traps from julia version of fractal formula z=(z+1/z+c)*-scale; uniform int iterations; slider[1,10,300] uniform float scale; slider[-1.,-.2,1.] uniform vec2 julia; slider[(0.,0.),(1.5,.65),(2.,2.)] uniform vec3 orbittraps; slider[(0.,0.,0.),(.5,.55,0.),(5.,5.,5.)] uniform vec3 trapswidths; slider[(0.,0.,0.),(.1,.3,2.),(2.,2.,2.)] uniform vec3 trapsbright; slider[(0.,0.,0.),(1.2,.4,.8),(2.,2.,2.)] uniform vec3 trapscontrast; slider[(0.,0.,0.),(5.,10.,30.),(30.,30.,30.)] uniform vec3 trap1color; color[1.0,0.4,0.1] uniform vec3 trap2color; color[0.35,0.25,1.0] uniform vec3 trap3color; color[0.1,1.0,0.05] uniform vec4 averagecoloring; color[0.0,0.0,1.0,1.0,1.0,1.0] uniform float averagetreshold; slider[0.,1.,10.] uniform float averagepow; slider[0.,3.,10.] uniform float averagemix; slider[0.,0.,1.] uniform float saturation; slider[0.,.5,1.] uniform float brightness; slider[0.,1.,2.] uniform float contrast; slider[0.,1.4,5.] uniform float minbright; slider[0.,.5,1.] uniform float antialias; slider[1.,4.,8.] vec2 rotate(vec2 p, float angle) { return p*mat2(cos(angle),sin(angle),-sin(angle),cos(angle)); } void main(void) { vec3 aacolor=vec3(0.); vec2 uv=coord; vec2 pos=uv; float t=0.; float zoo=.005+pow(abs(sin(t*.5+1.4)),5.)*Zoom; float d=1./antialias; float a=0.; vec3 its=vec3(0.); for (float aa=0.; aa<64.; aa++) { vec3 otrap=vec3(1000.); if (aa<antialias*antialias) { vec2 aacoord=floor(vec2(aa/antialias,mod(aa,antialias))); vec2 z=pos+aacoord*d*aaScale; for (int i=0; i<iterations; i++) { vec2 cz=vec2(z.x,-z.y); z=z+cz/dot(z,z)+julia; z=z*scale; float l=length(z); a+=max(0.,averagetreshold-l)/averagetreshold; vec3 ot=abs(vec3(l)-orbittraps); if (ot.x<otrap.x) { otrap.x=ot.x; its.x=float(iterations-i); } if (ot.y<otrap.y) { otrap.y=ot.y; its.y=float(iterations-i); } if (ot.z<otrap.z) { otrap.z=ot.z; its.z=float(iterations-i); } } } a=pow(a/iterations,averagepow)*10.; otrap=pow(max(vec3(0.),trapswidths-otrap)/trapswidths,trapscontrast); its=its/float(iterations); vec3 otcol1=otrap.x*pow(trap1color,3.5-vec3(its.x*3.))*max(minbright,its.x)*trapsbright.x; vec3 otcol2=otrap.y*pow(trap2color,3.5-vec3(its.y*3.))*max(minbright,its.y)*trapsbright.y; vec3 otcol3=otrap.z*pow(trap3color,3.5-vec3(its.z*3.))*max(minbright,its.z)*trapsbright.z; aacolor+=mix(mix(mix(otcol1,otcol2,.5),otcol3,.5)*3.,a*averagecoloring.xyz*averagecoloring.w,averagemix); } aacolor=aacolor/(antialias*antialias); vec3 color=mix(vec3(length(aacolor)),aacolor,saturation)*brightness; color=pow(color,vec3(contrast)); gl_FragColor = vec4(color,1.0); } #preset default Center = 7.29362e+37,2.60172e+37 Zoom = 6.81037e-38 AntiAliasScale = 2 iterations = 273 scale = -0.31898 julia = 1.83686,0.25982 orbittraps = 0.13735,0.12365,0 trapswidths = 0.01126,0.02254,0.11564 trapsbright = 2,1.20548,0.54774 trapscontrast = 0.3,1,0.5 trap1color = 1,0.14902,0.0392157 trap2color = 0.494118,0.494118,1 trap3color = 1,1,1 averagecoloring = 1,1,1,1 averagetreshold = 4.9387 averagepow = 2.3768 averagemix = 0 saturation = 0.37662 brightness = 0.8421 contrast = 4.01165 minbright = 0.35366 antialias = 4 #endpreset |
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