// Compatibility #ifdefs needed for parameters #ifdef GL_ES #define COMPAT_PRECISION mediump #else #define COMPAT_PRECISION #endif // Parameter lines go here: #pragma parameter RETRO_PIXEL_SIZE "Retro Pixel Size" 0.84 0.0 1.0 0.01 #ifdef PARAMETER_UNIFORM // All parameter floats need to have COMPAT_PRECISION in front of them uniform COMPAT_PRECISION float RETRO_PIXEL_SIZE; #else #define RETRO_PIXEL_SIZE 0.84 #endif #if defined(VERTEX) #if __VERSION__ >= 130 #define COMPAT_VARYING out #define COMPAT_ATTRIBUTE in #define COMPAT_TEXTURE texture #else #define COMPAT_VARYING varying #define COMPAT_ATTRIBUTE attribute #define COMPAT_TEXTURE texture2D #endif #ifdef GL_ES #define COMPAT_PRECISION mediump #else #define COMPAT_PRECISION #endif COMPAT_ATTRIBUTE vec4 VertexCoord; COMPAT_ATTRIBUTE vec4 COLOR; COMPAT_ATTRIBUTE vec4 TexCoord; COMPAT_VARYING vec4 COL0; COMPAT_VARYING vec4 TEX0; // out variables go here as COMPAT_VARYING whatever vec4 _oPosition1; uniform mat4 MVPMatrix; uniform COMPAT_PRECISION int FrameDirection; uniform COMPAT_PRECISION int FrameCount; uniform COMPAT_PRECISION vec2 OutputSize; uniform COMPAT_PRECISION vec2 TextureSize; uniform COMPAT_PRECISION vec2 InputSize; // compatibility #defines #define vTexCoord TEX0.xy #define SourceSize vec4(TextureSize, 1.0 / TextureSize) //either TextureSize or InputSize #define OutSize vec4(OutputSize, 1.0 / OutputSize) void main() { gl_Position = MVPMatrix * VertexCoord; TEX0.xy = VertexCoord.xy; // Paste vertex contents here: } #elif defined(FRAGMENT) #if __VERSION__ >= 130 #define COMPAT_VARYING in #define COMPAT_TEXTURE texture out vec4 FragColor; #else #define COMPAT_VARYING varying #define FragColor gl_FragColor #define COMPAT_TEXTURE texture2D #endif #ifdef GL_ES #ifdef GL_FRAGMENT_PRECISION_HIGH precision highp float; #else precision mediump float; #endif #define COMPAT_PRECISION mediump #else #define COMPAT_PRECISION #endif uniform COMPAT_PRECISION int FrameDirection; uniform COMPAT_PRECISION int FrameCount; uniform COMPAT_PRECISION vec2 OutputSize; uniform COMPAT_PRECISION vec2 TextureSize; uniform COMPAT_PRECISION vec2 InputSize; uniform sampler2D Texture; COMPAT_VARYING vec4 TEX0; // in variables go here as COMPAT_VARYING whatever // compatibility #defines #define Source Texture #define vTexCoord TEX0.xy #define SourceSize vec4(TextureSize, 1.0 / TextureSize) //either TextureSize or InputSize #define OutSize vec4(OutputSize, 1.0 / OutputSize) // delete all 'params.' or 'registers.' or whatever in the fragment float iGlobalTime = float(FrameCount)*0.025; vec2 iResolution = OutputSize.xy; // Created by inigo quilez - iq/2014 // License Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. // The batman logo, sort of copied from random image I found online #define ANIMATE //----------------------------------------------------------------------- float ellipse( in vec2 p, in float x, in float y, in float dirx, in float diry, in float radx, in float rady ) { vec2 q = p - vec2(x,y); float u = dot( q, vec2(dirx,diry) ); float v = dot( q, vec2(diry,dirx)*vec2(-1.0,1.0) ); return dot(vec2(u*u,v*v),vec2(1.0/(radx*radx),1.0/(rady*rady)))-1.0; } float box( in vec2 p, in float x, in float y, in float dirx, in float diry, in float radx, in float rady ) { vec2 q = p - vec2(x,y); float u = dot( q, vec2(dirx,diry) ); float v = dot( q, vec2(diry,dirx)*vec2(-1.0,1.0) ); vec2 d = abs(vec2(u,v)) - vec2(radx,rady); return max(d.x,d.y); } float fillEllipse( in vec2 p, in float x, in float y, in float dirx, in float diry, in float radx, in float rady ) { float d = ellipse(p,x,y,dirx,diry,radx,rady); float w = fwidth(d); return 1.0 - smoothstep( -w, w, d); } float strokeEllipse( in vec2 p, in float x, in float y, in float dirx, in float diry, in float radx, in float rady, in float thickness ) { float d = abs(ellipse(p,x,y,dirx,diry,radx,rady)) - thickness; float w = fwidth(d); return 1.0 - smoothstep( -w, w, d); } float fillRectangle( in vec2 p, in float x, in float y, in float dirx, in float diry, in float radx, in float rady ) { float d = box(p,x,y,dirx,diry,radx,rady); float w = fwidth(d); return 1.0 - smoothstep( -w, w, d); } //----------------------------------------------------------------------- // batmap logo float logo( vec2 p ) { p *= 0.66; p.x = abs(p.x); vec2 q = p; #ifdef ANIMATE q.x *= 1.0 + 0.05*q.x*sin(2.0*iGlobalTime+0.0); q.y *= 1.0 + 0.05*q.x*sin(2.0*iGlobalTime+1.3); #endif float f = 1.0; f = mix( f, 0.0, fillEllipse( q, 0.000, 0.000, 1.0, 0.0, 0.800, 0.444) ); f = mix( f, 1.0, fillEllipse( q, 0.260, 0.300, 1.0, 0.0, 0.150, 0.167) ); f = mix( f, 1.0, fillRectangle( p, 0.180, 0.400, 1.0, 0.0, 0.070, 0.100) ); f = mix( f, 1.0, fillRectangle( p, 0.000, 0.400, 1.0, 0.0, 0.040, 0.040) ); f = mix( f, 1.0, fillRectangle( p, 0.036, 0.448, 0.6, 0.8, 0.065, 0.057) ); f = mix( f, 1.0, fillEllipse( q, 0.200,-0.450, 1.0, 0.0, 0.200, 0.333) ); f = mix( f, 1.0, fillEllipse( q, 0.400,-0.350, -0.8, 0.6, 0.150, 0.278) ); f = mix( f, 0.0, 1.0-fillEllipse( p, 0.000, 0.000, 1.0, 0.0, 1.000, 0.556) ); f = mix( f, 0.0, strokeEllipse( p, 0.000, 0.000, 1.0, 0.0, 0.950, 0.528, 0.06) ); return f; } // blurred batmap logo float slogo( in vec2 p ) { float s = 0.0; for( int j=0; j<3; j++ ) for( int i=0; i<3; i++ ) s += logo( p + 3.5*vec2(i-1,j-1)/iResolution.y ); s /= 9.0; return s; } //----------------------------------------------------------------------- float hash( float n ) { return fract(sin(n)*43758.5453); } float noise( in vec2 x ) { vec2 p = floor(x); vec2 f = fract(x); f = f*f*(3.0-2.0*f); float n = p.x + p.y*57.0; return mix(mix( hash(n+ 0.0), hash(n+ 1.0),f.x), mix( hash(n+ 57.0), hash(n+ 58.0),f.x),f.y); } float fbm( vec2 p ) { const mat2 m = mat2( 0.8, 0.6, -0.6, 0.8 ); float f = 0.0; f += 0.5000*noise( p ); p = m*p*2.02; f += 0.2500*noise( p ); p = m*p*2.03; f += 0.1250*noise( p ); p = m*p*2.01; f += 0.0625*noise( p ); return f/0.9375; } //----------------------------------------------------------------------- void mainImage( out vec4 fragColor, in vec2 fragCoord ) { vec2 p = (-iResolution.xy+2.0*fragCoord.xy)/iResolution.y; // batman logo black and white float f = logo( p ); // make black and yellow vec3 col = vec3( f, f*0.8, 0.1 ); // add texture col += f*3.0*smoothstep( 0.53, 0.9, fbm( 0.8*p.yx + 9.0 ) ); col *= 0.7 + 0.3*smoothstep( 0.2, 0.8, fbm( 4.0*p + fbm(32.0*p) ) ); // smooth float s = slogo( p ); // calc normal float a = slogo( p ); float b = slogo( p + vec2(2.0,0.0)/iResolution.y ); float c = slogo( p + vec2(0.0,2.0)/iResolution.y ); vec2 nor = normalize( vec2(b-a, c-a) ); // add specular borders col += 0.3*pow(clamp(dot(nor,normalize(vec2(-1.0,1.0))),0.0,1.0),2.0); col += 0.6*pow(clamp(dot(nor,normalize(vec2(-1.0,1.0))),0.0,1.0),8.0); // specular highlight col += 0.8*(1.0-f)*exp(-4.0*length(p-vec2(-0.3,0.3))); fragColor = vec4(col,1.0); } void main(void) { //just some shit to wrap shadertoy's stuff vec2 FragCoord = vTexCoord.xy*OutputSize.xy; mainImage(FragColor,FragCoord); } #endif