translate the following shader to our format: /*originals "Voyager" by @kishimisu (2024) - https://www.shadertoy.com/view/M33XDH and https://www.shadertoy.com/view/XX3Szr*/ #define N_BOXES 10. #define ROTATION 1 #define DEPTH 5. mat2 rot(float a) { float s = sin(a); float c = cos(a); return mat2(c, -s, s, c); } float sdBox( in vec2 p, in vec2 b ) { vec2 d = abs(p)-b; return length(max(d,0.0)) + min(max(d.x,d.y),0.0); } float periphery(vec2 p, float s) { float per; float t = iTime * .1 + ((.25 + .05 * sin(iTime * .1))/(length(p.xy) + .117)) * 2.2; float si = sin(t); float co = cos(t); mat2 ma = mat2(co, si, -si, co); for (float i=1.; i<N_BOXES+1.; i++) { vec2 p0 = p; float a = radians(20./N_BOXES) *i; float mean = (N_BOXES+DEPTH*i)*.4; float box = sdBox(p0, vec2(s)*ma); float gamma = mean * 1e-4*.7; box = gamma/abs(box); per += box; } return per; } void mainImage( out vec4 fragColor, in vec2 fragCoord ) { vec3 tc, c; vec2 p = (fragCoord -.5* iResolution.xy) / iResolution.y; vec3 p2, q, f = vec3(.2, 2,.2); vec4 O = fragColor; vec2 F= fragCoord; vec2 R = iResolution.xy, u = abs(F+F-R)/R.y; float i, t, d, n, T = -iTime; for (O *= i; i++ < 50.; p2 = q = t * normalize(vec3(u * mat2(cos(T/16. + vec4(0,33,11,0))), 1)) ) n = tan(p2.z*0.5 - T*.05) * .5 + .5, p2.y += 1. + q.z * sin(T/6.) * .2 - n, t += d = length(p2= mod(p2, f+f) - f) - .1, O += .27 * pow(n, 5.) / ++d * (1. + cos( length(q*1.7) * .2 + length(u) * 3. - T / 1.4 )); float td; for (float i=0.; i<DEPTH; i+=.45) { float size = pow(0.25*O.y, i); float per = periphery(p, size); td += per; } c = vec3(DEPTH*0.2); tc += c*td*vec3(0.5,0.5,0.5); fragColor = vec4(tc, 1.); } GlowEffect
Convert this to our format: /* This animation is the material of my first youtube tutorial about creative coding, which is a video in which I try to introduce programmers to GLSL and to the wonderful world of shaders, while also trying to share my recent passion for this community. Video URL: https://youtu.be/f4s1h2YETNY */ //https://iquilezles.org/articles/palettes/ vec3 palette( float t ) { vec3 a = vec3(0.5, 0.5, 0.5); vec3 b = vec3(0.5, 0.5, 0.5); vec3 c = vec3(1.0, 1.0, 1.0); vec3 d = vec3(0.263,0.416,0.557); return a + b*cos( 6.28318*(c*t+d) ); } //https://www.shadertoy.com/view/mtyGWy void mainImage( out vec4 fragColor, in vec2 fragCoord ) { vec2 uv = (fragCoord * 2.0 - iResolution.xy) / iResolution.y; vec2 uv0 = uv; vec3 finalColor = vec3(0.0); for (float i = 0.0; i < 4.0; i++) { uv = fract(uv * 1.5) - 0.5; float d = length(uv) * exp(-length(uv0)); vec3 col = palette(length(uv0) + i*.4 + iTime*.4); d = sin(d*8. + iTime)/8.; d = abs(d); d = pow(0.01 / d, 1.2); finalColor += col * d; } fragColor = vec4(finalColor, 1.0); } Color Shift