b0VIM 8.0 pZA^A K! angus17 Anguss-MacBook-Pro.local ~angus17/Dropbox/MAMP_htdocs/ccl_UCSC/courses/cmpm163/code/week4/w4_nosieDisplacementShader.html utf-8
3210 #"! U tp t ~ ad b x b ] R I A @ # " \ [ < " !
i
g
f
R
P
!
{ U S R ( j U
{
d
a
9
[ 8 ~ P - g @ 9 & r _ L 9 6 U X ) t S float power = pow( 2.0, f ); for (float f = 1.0 ; f <= 10.0 ; f++ ){ float t = -.5; float w = 100.0; float turbulence( vec3 p ) { } return 2.2 * n_xyz; float n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); vec2 n_yz = mix(n_z.xy, n_z.zw, fade_xyz.y); vec4 n_z = mix(vec4(n000, n100, n010, n110), vec4(n001, n101, n011, n111), fade_xyz.z); vec3 fade_xyz = fade(Pf0); float n111 = dot(g111, Pf1); float n011 = dot(g011, vec3(Pf0.x, Pf1.yz)); float n101 = dot(g101, vec3(Pf1.x, Pf0.y, Pf1.z)); float n001 = dot(g001, vec3(Pf0.xy, Pf1.z)); float n110 = dot(g110, vec3(Pf1.xy, Pf0.z)); float n010 = dot(g010, vec3(Pf0.x, Pf1.y, Pf0.z)); float n100 = dot(g100, vec3(Pf1.x, Pf0.yz)); float n000 = dot(g000, Pf0); g111 *= norm1.w; g101 *= norm1.z; g011 *= norm1.y; g001 *= norm1.x; vec4 norm1 = taylorInvSqrt(vec4(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111))); g110 *= norm0.w; g100 *= norm0.z; g010 *= norm0.y; g000 *= norm0.x; vec4 norm0 = taylorInvSqrt(vec4(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110))); vec3 g111 = vec3(gx1.w,gy1.w,gz1.w); vec3 g011 = vec3(gx1.z,gy1.z,gz1.z); vec3 g101 = vec3(gx1.y,gy1.y,gz1.y); vec3 g001 = vec3(gx1.x,gy1.x,gz1.x); vec3 g110 = vec3(gx0.w,gy0.w,gz0.w); vec3 g010 = vec3(gx0.z,gy0.z,gz0.z); vec3 g100 = vec3(gx0.y,gy0.y,gz0.y); vec3 g000 = vec3(gx0.x,gy0.x,gz0.x); gy1 -= sz1 * (step(0.0, gy1) - 0.5); gx1 -= sz1 * (step(0.0, gx1) - 0.5); vec4 sz1 = step(gz1, vec4(0.0)); vec4 gz1 = vec4(0.5) - abs(gx1) - abs(gy1); gx1 = fract(gx1); vec4 gy1 = fract(floor(gx1) * (1.0 / 7.0)) - 0.5; vec4 gx1 = ixy1 * (1.0 / 7.0); gy0 -= sz0 * (step(0.0, gy0) - 0.5); gx0 -= sz0 * (step(0.0, gx0) - 0.5); vec4 sz0 = step(gz0, vec4(0.0)); vec4 gz0 = vec4(0.5) - abs(gx0) - abs(gy0); gx0 = fract(gx0); vec4 gy0 = fract(floor(gx0) * (1.0 / 7.0)) - 0.5; vec4 gx0 = ixy0 * (1.0 / 7.0); vec4 ixy1 = permute(ixy + iz1); vec4 ixy0 = permute(ixy + iz0); vec4 ixy = permute(permute(ix) + iy); vec4 iz1 = Pi1.zzzz; vec4 iz0 = Pi0.zzzz; vec4 iy = vec4(Pi0.yy, Pi1.yy); vec4 ix = vec4(Pi0.x, Pi1.x, Pi0.x, Pi1.x); vec3 Pf1 = Pf0 - vec3(1.0); // Fractional part - 1.0 vec3 Pf0 = fract(P); // Fractional part for interpolation Pi1 = mod289(Pi1); Pi0 = mod289(Pi0); vec3 Pi1 = mod(Pi0 + vec3(1.0), rep); // Integer part + 1, mod period vec3 Pi0 = mod(floor(P), rep); // Integer part, modulo period { float pnoise(vec3 P, vec3 rep) // Classic Perlin noise, periodic variant } return t*t*t*(t*(t*6.0-15.0)+10.0); vec3 fade(vec3 t) { } return 1.79284291400159 - 0.85373472095314 * r; { vec4 taylorInvSqrt(vec4 r) } return mod289(((x*34.0)+1.0)*x); { vec4 permute(vec4 x) } return x - floor(x * (1.0 / 289.0)) * 289.0; { vec4 mod289(vec4 x) } return x - floor(x * (1.0 / 289.0)) * 289.0; { vec3 mod289(vec3 x) varying float noiseVal, noiseVal2; uniform float in_val; //a value that changes slowly over time... attribute vec3 normal; attribute vec3 position; uniform mat4 projectionMatrix; uniform mat4 viewMatrix; uniform mat4 modelMatrix; } overflow: hidden; margin: 0px; body {