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Birthday hat shader

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makitsune committed May 20, 2019
1 parent 26d478e commit d5ea22456321b97fafb13ff8a19898b9c5e32a75
Showing with 182 additions and 2 deletions.
  1. +5 −2 client-entity-scripts/openUrl.js
  2. +56 −0 shaders/birthdayHat.fs
  3. BIN shaders/birthdayHat.png
  4. +121 −0 shaders/lavaLampNew.fs
@@ -19,6 +19,9 @@
if (userData.url!=undefined) Window.openUrl(userData.url);
}

this.startNearTrigger = function() { this.openUrl() }
this.clickDownOnEntity = function() { this.openUrl() }
this.startNearTrigger = function() { this.openUrl(); }
this.clickDownOnEntity = function(e) {
if (e.button != "Primary") return;
this.openUrl();
}
})
@@ -0,0 +1,56 @@
/*
{
"ProceduralEntity": {
"shaderUrl": "https://hifi.maki.cat/shaders/birthdayHat.fs",
"version": 3,
"channels": [
"https://hifi.maki.cat/shaders/birthdayHat.png"
]
}
}
*/

vec3 hsv2rgb(vec3 c) {
vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
}

float getProceduralFragment(inout ProceduralFragment frag) {

vec3 pos = _position.xyz;
pos.y *= 1.5;

float s = snoise(pos*4 - vec3(0,-iGlobalTime*0.5,0));

vec3 color = vec3(1);
if (s>0) color = vec3(0.85);

// texture
float l = atan(pos.x, pos.z)/(3.141592*2);
l += iGlobalTime*0.05;

vec2 textUV = vec2(l, 0.25-_position.y*0.9)*2;
if (textUV.y<1) { if (textUV.y>0) {
vec4 text = texture(iChannel0, textUV).rgba;
if (text.a>0.5) {
s = snoise(pos*4 - vec3(0,-iGlobalTime*0.1,0));
color = hsv2rgb(vec3(s*4,0.8,0.2));
}
}}


// rainbow underneath
s = snoise(pos*4 - vec3(0,iGlobalTime,0));
if (pos.y+(s*0.1)<-0.5) {
l += iGlobalTime*0.1;
color = hsv2rgb(vec3(l,0.95,1));
}

frag.emissive = color;
frag.normal = vec3(0);
frag.diffuse = vec3(0);
frag.specular = vec3(0);
frag.roughness = 1;
return 0;
}
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@@ -0,0 +1,121 @@
/*
{
"ProceduralEntity": {
"shaderUrl": "https://hifi.maki.cat/shaders/lavaLamp.fs",
"version": 4,
"uniforms": {
"blobScale": 2,
"blobDepth": 2,
"blobSaturation": 0.8,
"blobValue": 0.4,
"blobMoveSpeed": 0.1,
"hueSpeed": 0.05,
"hueScale": 4,
"background": "vec3(0,0,0)"
}
}
}
*/

uniform float blobScale = 2;
uniform float blobDepth = 2;
uniform float blobSaturation = 0.8;
uniform float blobValue = 0.4;
uniform float blobMoveSpeed = 0.1;
uniform float hueSpeed = 0.05;
uniform float hueScale = 4;
uniform vec3 background = vec3(0.0,0.0,0.0);

vec3 _mod289(vec3 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;}
vec4 _permute(vec4 x) { return _mod289(((x*34.0)+1.0)*x);}
vec4 _taylorInvSqrt(vec4 r){return 1.79284291400159 - 0.85373472095314 * r;}
float _snoise(vec3 v){ const vec2 C = vec2(1.0/6.0, 1.0/3.0) ;const vec4 D = vec4(0.0, 0.5, 1.0, 2.0);vec3 i = floor(v + dot(v, C.yyy) );vec3 x0 = v - i + dot(i, C.xxx) ;vec3 g = step(x0.yzx, x0.xyz);vec3 l = 1.0 - g;vec3 i1 = min( g.xyz, l.zxy );vec3 i2 = max( g.xyz, l.zxy );vec3 x1 = x0 - i1 + C.xxx;vec3 x2 = x0 - i2 + C.yyy; vec3 x3 = x0 - D.yyy; i = _mod289(i); vec4 p = _permute( _permute( _permute( i.z + vec4(0.0, i1.z, i2.z, 1.0 )) + i.y + vec4(0.0, i1.y, i2.y, 1.0 )) + i.x + vec4(0.0, i1.x, i2.x, 1.0 ));float n_ = 0.142857142857; vec3 ns = n_ * D.wyz - D.xzx;vec4 j = p - 49.0 * floor(p * ns.z * ns.z); vec4 x_ = floor(j * ns.z);vec4 y_ = floor(j - 7.0 * x_ ); vec4 x = x_ *ns.x + ns.yyyy;vec4 y = y_ *ns.x + ns.yyyy;vec4 h = 1.0 - abs(x) - abs(y);vec4 b0 = vec4( x.xy, y.xy );vec4 b1 = vec4( x.zw, y.zw );vec4 s0 = floor(b0)*2.0 + 1.0;vec4 s1 = floor(b1)*2.0 + 1.0;vec4 sh = -step(h, vec4(0.0));vec4 a0 = b0.xzyw + s0.xzyw*sh.xxyy ;vec4 a1 = b1.xzyw + s1.xzyw*sh.zzww ;vec3 p0 = vec3(a0.xy,h.x);vec3 p1 = vec3(a0.zw,h.y);vec3 p2 = vec3(a1.xy,h.z);vec3 p3 = vec3(a1.zw,h.w);vec4 norm = _taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));p0 *= norm.x;p1 *= norm.y;p2 *= norm.z;p3 *= norm.w;vec4 m = max(0.6 - vec4(dot(x0,x0), dot(x1,x1), dot(x2,x2), dot(x3,x3)), 0.0);m = m * m;return 42.0 * dot( m*m, vec4( dot(p0,x0), dot(p1,x1), dot(p2,x2), dot(p3,x3) ) );}

vec3 hsv2rgb(vec3 c) {
vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
}

vec3 raymarch(vec3 rayOrigin, vec3 rayDir, out vec3 rayPos) { // returns color
vec3 color = background;

vec3 position = vec3(0,iGlobalTime*blobMoveSpeed,0);

float rayStep = 0.02*blobScale;
rayPos = rayOrigin;

for (float i=0; i<blobDepth; i+=rayStep) {
rayPos += rayDir*rayStep;

float dist = _snoise(rayPos*blobScale + position);

//if (dist>0.5 && c>1) {
if (dist>0.5) {
break;
}
}

float c = length(rayOrigin-rayPos);
float inverseC = blobDepth-c;

if (c>inverseC-0.0001) {
discard;
//rayPos = rayDir*1000;
//return vec3(0);
}

vec3 col = hsv2rgb(vec3(mod(
(-rayPos.y*hueScale*0.1) + ((0.2+iGlobalTime.x)*hueSpeed*3),
1),
blobSaturation, blobValue
));

return vec3(mix(background, col, inverseC));
}

// vec3 getLavalampColor() {
// // big thanks to Snail! https://github.com/theepicsnail/hifi/tree/master/shaders
// vec3 worldEye = getEyeWorldPos();
// //vec3 worldPos = (iWorldOrientation * (localPos*iWorldScale)) + iWorldPosition;
// vec3 ro = _position.xyz * iWorldScale;
// vec3 eye = (inverse(iWorldOrientation) * (worldEye - iWorldPosition)) ;
// vec3 rd = normalize((ro - eye));


// float c = 4.0;

// for (float step=0.0; step<256.0; step+=1.0) {
// vec3 p = _position.xyz+ro+((rd*0.1)*step);
// float d = snoise(p);
// if (d>0.4) {
// c = length(_position.xyz-p);
// break;
// }
// }

// return vec3(
// hsv2rgb(vec3(
// (c*0.4)*(iGlobalTime*0.2),
// 1, 4.0-c
// ))
// );
// }

float getProceduralFragmentWithPosition(inout ProceduralFragmentWithPosition frag) {
vec3 eye = getEyeWorldPos();
vec3 ro = (_position.xyz*iWorldScale*inverse(iWorldOrientation))+iWorldPosition;
vec3 rd = normalize(ro - eye);

vec3 rayPos;
vec3 color = raymarch(ro-iWorldPosition, rd, rayPos);

frag.position = rayPos+iWorldPosition;
frag.emissive = color;
frag.normal = vec3(0);
frag.diffuse = vec3(0);
frag.specular = vec3(0);
frag.roughness = 1;
return 0;
}

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