pre-parse settings

Author: greggman

art/22RaBcCzsbaXEzCh5/art.json

@@ -33,7 +33,19 @@
   "unlisted": true,
   "username": "jeminshin2",
   "avatarUrl": "https://avatars.githubusercontent.com/JeminShin2?s=200",
-  "settings": "{\"num\":10000,\"mode\":\"LINES\",\"sound\":\"\",\"lineSize\":\"NATIVE\",\"backgroundColor\":[0,0,0,1],\"shader\":\"// Jemin.Shin\\n// Exercise Making A Grid\\n// CS250 Spring 2022\\n\\nvoid main() {\\n  float down = floor(sqrt(vertexCount));\\n  float across = floor(vertexCount/down);\\n  \\n  float x = mod(vertexId, across);\\n  float y = floor(vertexId/across);\\n  \\n  float u = x / (across - 1.);\\n  float v = y / (across - 1.);\\n  \\n  float ux = u * 2. - 1.;\\n  float vy = v * 2. - 1.;\\n  \\n  gl_Position = vec4(ux * sin(time), vy * cos(time), 0., 0.5);\\n  \\n  gl_PointSize = 10.0;\\n  gl_PointSize *= 20./across;\\n  gl_PointSize *= resolution.x / 400.;\\n  \\n  \\n  v_color = vec4(1,0,0,1);\\n  \\n}\"}",
+  "settings": {
+    "num": 10000,
+    "mode": "LINES",
+    "sound": "",
+    "lineSize": "NATIVE",
+    "backgroundColor": [
+      0,
+      0,
+      0,
+      1
+    ],
+    "shader": "// Jemin.Shin\n// Exercise Making A Grid\n// CS250 Spring 2022\n\nvoid main() {\n  float down = floor(sqrt(vertexCount));\n  float across = floor(vertexCount/down);\n  \n  float x = mod(vertexId, across);\n  float y = floor(vertexId/across);\n  \n  float u = x / (across - 1.);\n  float v = y / (across - 1.);\n  \n  float ux = u * 2. - 1.;\n  float vy = v * 2. - 1.;\n  \n  gl_Position = vec4(ux * sin(time), vy * cos(time), 0., 0.5);\n  \n  gl_PointSize = 10.0;\n  gl_PointSize *= 20./across;\n  gl_PointSize *= resolution.x / 400.;\n  \n  \n  v_color = vec4(1,0,0,1);\n  \n}"
+  },
   "screenshotURL": "data/images/images-d2fsmpwp2mvlmqnit-thumbnail.jpg",
   "hasSound": "",
   "views": {

art/23ezRZjpZK82TqNJr/art.json

@@ -33,7 +33,19 @@
   "unlisted": false,
   "username": "gman",
   "avatarUrl": "https://secure.gravatar.com/avatar/dcc0309895c3d6db087631813efaa9d1?default=retro&size=200",
-  "settings": "{\"num\":100000,\"mode\":\"TRIANGLES\",\"sound\":\"https://soundcloud.com/user-811313743/a-charlie-brown-christmas-skating\",\"lineSize\":\"NATIVE\",\"backgroundColor\":[0,0.5882352941176471,0.6901960784313725,1],\"shader\":\"/*\\n\\n _____,   ____, ___,   ___,   __  _, \\n(-| | |  (-|_, (-|_)  (-|_)  (-\\\\ |   \\n _| | |_, _|__, _| \\\\_, _| \\\\_,   \\\\|    \\n(        (     (      (       (__/    \\n   ____   __   _, ___,   ____, ____  ____, _____,   ___,   ____ \\n  (-/  ` (-|__|  (-|_)  (-|   (-(__`(-|   (-| | |  (-|_\\\\_,(-(__`\\n    \\\\___, _|  |_, _| \\\\_, _|__, ____) _|    _| | |_, _|  )  ____)\\n         (       (      (     (     (     (        (      (     \\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n*/\\n\\n#define PI radians(180.0)\\n\\nvec3 hsv2rgb(vec3 c) {\\n  c = vec3(c.x, clamp(c.yz, 0.0, 1.0));\\n  vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);\\n  vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);\\n  return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);\\n}\\n\\n\\nmat4 rotY( float angle ) {\\n    float s = sin( angle );\\n    float c = cos( angle );\\n  \\t\\n    return mat4( \\n      c, 0,-s, 0,\\n      0, 1, 0, 0,\\n      s, 0, c, 0,\\n      0, 0, 0, 1);  \\n}\\n\\n\\nmat4 rotZ( float angle ) {\\n    float s = sin( angle );\\n    float c = cos( angle );\\n  \\t\\n    return mat4( \\n      c,-s, 0, 0, \\n      s, c, 0, 0,\\n      0, 0, 1, 0,\\n      0, 0, 0, 1); \\n}\\n\\nmat4 trans(vec3 trans) {\\n  return mat4(\\n    1, 0, 0, 0,\\n    0, 1, 0, 0,\\n    0, 0, 1, 0,\\n    trans, 1);\\n}\\n\\nmat4 ident() {\\n  return mat4(\\n    1, 0, 0, 0,\\n    0, 1, 0, 0,\\n    0, 0, 1, 0,\\n    0, 0, 0, 1);\\n}\\n\\nmat4 scale(vec3 s) {\\n  return mat4(\\n    s[0], 0, 0, 0,\\n    0, s[1], 0, 0,\\n    0, 0, s[2], 0,\\n    0, 0, 0, 1);\\n}\\n\\nmat4 uniformScale(float s) {\\n  return mat4(\\n    s, 0, 0, 0,\\n    0, s, 0, 0,\\n    0, 0, s, 0,\\n    0, 0, 0, 1);\\n}\\n\\nmat4 persp(float fov, float aspect, float zNear, float zFar) {\\n  float f = tan(PI * 0.5 - 0.5 * fov);\\n  float rangeInv = 1.0 / (zNear - zFar);\\n\\n  return mat4(\\n    f / aspect, 0, 0, 0,\\n    0, f, 0, 0,\\n    0, 0, (zNear + zFar) * rangeInv, -1,\\n    0, 0, zNear * zFar * rangeInv * 2., 0);\\n}\\n\\nmat4 trInv(mat4 m) {\\n  mat3 i = mat3(\\n    m[0][0], m[1][0], m[2][0], \\n    m[0][1], m[1][1], m[2][1], \\n    m[0][2], m[1][2], m[2][2]);\\n  vec3 t = -i * m[3].xyz;\\n    \\n  return mat4(\\n    i[0], t[0], \\n    i[1], t[1],\\n    i[2], t[2],\\n    0, 0, 0, 1);\\n}\\n\\nmat4 transpose(mat4 m) {\\n  return mat4(\\n    m[0][0], m[1][0], m[2][0], m[3][0], \\n    m[0][1], m[1][1], m[2][1], m[3][1],\\n    m[0][2], m[1][2], m[2][2], m[3][2],\\n    m[0][3], m[1][3], m[2][3], m[3][3]);\\n}\\n\\nmat4 lookAt(vec3 eye, vec3 target, vec3 up) {\\n  vec3 zAxis = normalize(eye - target);\\n  vec3 xAxis = normalize(cross(up, zAxis));\\n  vec3 yAxis = cross(zAxis, xAxis);\\n\\n  return mat4(\\n    xAxis, 0,\\n    yAxis, 0,\\n    zAxis, 0,\\n    eye, 1);\\n}\\n\\nmat4 inverse(mat4 m) {\\n  float\\n      a00 = m[0][0], a01 = m[0][1], a02 = m[0][2], a03 = m[0][3],\\n      a10 = m[1][0], a11 = m[1][1], a12 = m[1][2], a13 = m[1][3],\\n      a20 = m[2][0], a21 = m[2][1], a22 = m[2][2], a23 = m[2][3],\\n      a30 = m[3][0], a31 = m[3][1], a32 = m[3][2], a33 = m[3][3],\\n\\n      b00 = a00 * a11 - a01 * a10,\\n      b01 = a00 * a12 - a02 * a10,\\n      b02 = a00 * a13 - a03 * a10,\\n      b03 = a01 * a12 - a02 * a11,\\n      b04 = a01 * a13 - a03 * a11,\\n      b05 = a02 * a13 - a03 * a12,\\n      b06 = a20 * a31 - a21 * a30,\\n      b07 = a20 * a32 - a22 * a30,\\n      b08 = a20 * a33 - a23 * a30,\\n      b09 = a21 * a32 - a22 * a31,\\n      b10 = a21 * a33 - a23 * a31,\\n      b11 = a22 * a33 - a23 * a32,\\n\\n      det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;\\n\\n  return mat4(\\n      a11 * b11 - a12 * b10 + a13 * b09,\\n      a02 * b10 - a01 * b11 - a03 * b09,\\n      a31 * b05 - a32 * b04 + a33 * b03,\\n      a22 * b04 - a21 * b05 - a23 * b03,\\n      a12 * b08 - a10 * b11 - a13 * b07,\\n      a00 * b11 - a02 * b08 + a03 * b07,\\n      a32 * b02 - a30 * b05 - a33 * b01,\\n      a20 * b05 - a22 * b02 + a23 * b01,\\n      a10 * b10 - a11 * b08 + a13 * b06,\\n      a01 * b08 - a00 * b10 - a03 * b06,\\n      a30 * b04 - a31 * b02 + a33 * b00,\\n      a21 * b02 - a20 * b04 - a23 * b00,\\n      a11 * b07 - a10 * b09 - a12 * b06,\\n      a00 * b09 - a01 * b07 + a02 * b06,\\n      a31 * b01 - a30 * b03 - a32 * b00,\\n      a20 * b03 - a21 * b01 + a22 * b00) / det;\\n}\\n\\nmat4 cameraLookAt(vec3 eye, vec3 target, vec3 up) {\\n  #if 1\\n  return inverse(lookAt(eye, target, up));\\n  #else\\n  vec3 zAxis = normalize(target - eye);\\n  vec3 xAxis = normalize(cross(up, zAxis));\\n  vec3 yAxis = cross(zAxis, xAxis);\\n\\n  return mat4(\\n    xAxis, 0,\\n    yAxis, 0,\\n    zAxis, 0,\\n    -dot(xAxis, eye), -dot(yAxis, eye), -dot(zAxis, eye), 1);  \\n  #endif\\n  \\n}\\n// hash function from https://www.shadertoy.com/view/4djSRW\\nfloat hash(float p) {\\n\\tvec2 p2 = fract(vec2(p * 5.3983, p * 5.4427));\\n    p2 += dot(p2.yx, p2.xy + vec2(21.5351, 14.3137));\\n\\treturn fract(p2.x * p2.y * 95.4337);\\n}\\n\\nfloat m1p1(float v) {\\n  return v * 2. - 1.;\\n}\\n\\nfloat inv(float v) {\\n  return 1. - v;\\n}\\n\\nvec3 getQPoint(const float id) {\\n  float outId = mix(id, 8. - id, step(2.5, id));\\n  float ux = floor(outId / 6.) + mod(outId, 2.);\\n  float vy = mod(floor(outId / 2.) + floor(outId / 3.), 2.); \\n  vec3 pos = vec3(ux, vy, 0);  \\n  return pos;\\n}\\n\\nvoid main() {\\n  float vId = vertexId;\\n  float numStems = 6.;\\n  float quadsPerStem   = 5.;\\n  float pointsPerStem  = quadsPerStem * 6.;\\n  float pointsPerFlake = pointsPerStem * numStems;\\n  float numFlakes = floor(vertexCount / pointsPerFlake);\\n  float quadId = mod(floor(vId / 6.), quadsPerStem);\\n  float stemId = floor(vId / pointsPerStem);\\n  float flakeId = floor(vId / pointsPerFlake);\\n  float stemV = stemId / numStems;\\n  float flakeV = flakeId / numFlakes;\\n  \\n  vec3 p = getQPoint(mod(vId, 6.));\\n  \\n  vec3 camera = vec3(0, 0, 1);\\n  vec3 target = vec3(0, 0, 0);\\n  vec3 up = vec3(0, 1, 0);\\n  \\n  float z = hash(flakeId) * -10.;\\n\\n  mat4 m = persp(radians(45.), resolution.x / resolution.y, 0.1, 20.);\\n  m *= cameraLookAt(camera, target, up);\\n  m *= trans(vec3(\\n    (z + 1.5) * 1. * m1p1(hash(flakeId * 0.171)) + 0.05 * sin(time * mix(0.91, 0.2, hash(flakeId * 0.951))), \\n    mix(1.5, -1.5, fract(hash(flakeId * .654) + time * mix(0.01, 0.03, hash(flakeId * 0.543)))), \\n    z));\\n  m *= uniformScale(mix(0.05, 0.1, hash(flakeId * 0.243)));\\n  m *= rotZ(time * hash(flakeId));\\n  m *= rotY(time * hash(flakeId));\\n  m *= rotZ(stemV * PI * 2. + mix(1.5, -1.5, fract(time * mix(-0.3, 0.3, hash(flakeId * 0.843)))));\\n  m *= scale(vec3(0.1, m1p1(hash(flakeId * 0.123 + quadId * 0.711 + p.x)) * 0.3, 1));\\n  m *= trans(vec3(quadId, -0.5, 0));\\n  gl_Position = m * vec4(p, 1);\\n  \\n  v_color = vec4(1);\\n  v_color.a = mix(1.0, 0.0, hash(flakeId));\\n  v_color = vec4(v_color.rgb * v_color.a, v_color.a);\\n}\"}",
+  "settings": {
+    "num": 100000,
+    "mode": "TRIANGLES",
+    "sound": "https://soundcloud.com/user-811313743/a-charlie-brown-christmas-skating",
+    "lineSize": "NATIVE",
+    "backgroundColor": [
+      0,
+      0.5882352941176471,
+      0.6901960784313725,
+      1
+    ],
+    "shader": "/*\n\n _____,   ____, ___,   ___,   __  _, \n(-| | |  (-|_, (-|_)  (-|_)  (-\\ |   \n _| | |_, _|__, _| \\_, _| \\_,   \\|    \n(        (     (      (       (__/    \n   ____   __   _, ___,   ____, ____  ____, _____,   ___,   ____ \n  (-/  ` (-|__|  (-|_)  (-|   (-(__`(-|   (-| | |  (-|_\\_,(-(__`\n    \\___, _|  |_, _| \\_, _|__, ____) _|    _| | |_, _|  )  ____)\n         (       (      (     (     (     (        (      (     \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n*/\n\n#define PI radians(180.0)\n\nvec3 hsv2rgb(vec3 c) {\n  c = vec3(c.x, clamp(c.yz, 0.0, 1.0));\n  vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);\n  vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);\n  return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);\n}\n\n\nmat4 rotY( float angle ) {\n    float s = sin( angle );\n    float c = cos( angle );\n  \t\n    return mat4( \n      c, 0,-s, 0,\n      0, 1, 0, 0,\n      s, 0, c, 0,\n      0, 0, 0, 1);  \n}\n\n\nmat4 rotZ( float angle ) {\n    float s = sin( angle );\n    float c = cos( angle );\n  \t\n    return mat4( \n      c,-s, 0, 0, \n      s, c, 0, 0,\n      0, 0, 1, 0,\n      0, 0, 0, 1); \n}\n\nmat4 trans(vec3 trans) {\n  return mat4(\n    1, 0, 0, 0,\n    0, 1, 0, 0,\n    0, 0, 1, 0,\n    trans, 1);\n}\n\nmat4 ident() {\n  return mat4(\n    1, 0, 0, 0,\n    0, 1, 0, 0,\n    0, 0, 1, 0,\n    0, 0, 0, 1);\n}\n\nmat4 scale(vec3 s) {\n  return mat4(\n    s[0], 0, 0, 0,\n    0, s[1], 0, 0,\n    0, 0, s[2], 0,\n    0, 0, 0, 1);\n}\n\nmat4 uniformScale(float s) {\n  return mat4(\n    s, 0, 0, 0,\n    0, s, 0, 0,\n    0, 0, s, 0,\n    0, 0, 0, 1);\n}\n\nmat4 persp(float fov, float aspect, float zNear, float zFar) {\n  float f = tan(PI * 0.5 - 0.5 * fov);\n  float rangeInv = 1.0 / (zNear - zFar);\n\n  return mat4(\n    f / aspect, 0, 0, 0,\n    0, f, 0, 0,\n    0, 0, (zNear + zFar) * rangeInv, -1,\n    0, 0, zNear * zFar * rangeInv * 2., 0);\n}\n\nmat4 trInv(mat4 m) {\n  mat3 i = mat3(\n    m[0][0], m[1][0], m[2][0], \n    m[0][1], m[1][1], m[2][1], \n    m[0][2], m[1][2], m[2][2]);\n  vec3 t = -i * m[3].xyz;\n    \n  return mat4(\n    i[0], t[0], \n    i[1], t[1],\n    i[2], t[2],\n    0, 0, 0, 1);\n}\n\nmat4 transpose(mat4 m) {\n  return mat4(\n    m[0][0], m[1][0], m[2][0], m[3][0], \n    m[0][1], m[1][1], m[2][1], m[3][1],\n    m[0][2], m[1][2], m[2][2], m[3][2],\n    m[0][3], m[1][3], m[2][3], m[3][3]);\n}\n\nmat4 lookAt(vec3 eye, vec3 target, vec3 up) {\n  vec3 zAxis = normalize(eye - target);\n  vec3 xAxis = normalize(cross(up, zAxis));\n  vec3 yAxis = cross(zAxis, xAxis);\n\n  return mat4(\n    xAxis, 0,\n    yAxis, 0,\n    zAxis, 0,\n    eye, 1);\n}\n\nmat4 inverse(mat4 m) {\n  float\n      a00 = m[0][0], a01 = m[0][1], a02 = m[0][2], a03 = m[0][3],\n      a10 = m[1][0], a11 = m[1][1], a12 = m[1][2], a13 = m[1][3],\n      a20 = m[2][0], a21 = m[2][1], a22 = m[2][2], a23 = m[2][3],\n      a30 = m[3][0], a31 = m[3][1], a32 = m[3][2], a33 = m[3][3],\n\n      b00 = a00 * a11 - a01 * a10,\n      b01 = a00 * a12 - a02 * a10,\n      b02 = a00 * a13 - a03 * a10,\n      b03 = a01 * a12 - a02 * a11,\n      b04 = a01 * a13 - a03 * a11,\n      b05 = a02 * a13 - a03 * a12,\n      b06 = a20 * a31 - a21 * a30,\n      b07 = a20 * a32 - a22 * a30,\n      b08 = a20 * a33 - a23 * a30,\n      b09 = a21 * a32 - a22 * a31,\n      b10 = a21 * a33 - a23 * a31,\n      b11 = a22 * a33 - a23 * a32,\n\n      det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;\n\n  return mat4(\n      a11 * b11 - a12 * b10 + a13 * b09,\n      a02 * b10 - a01 * b11 - a03 * b09,\n      a31 * b05 - a32 * b04 + a33 * b03,\n      a22 * b04 - a21 * b05 - a23 * b03,\n      a12 * b08 - a10 * b11 - a13 * b07,\n      a00 * b11 - a02 * b08 + a03 * b07,\n      a32 * b02 - a30 * b05 - a33 * b01,\n      a20 * b05 - a22 * b02 + a23 * b01,\n      a10 * b10 - a11 * b08 + a13 * b06,\n      a01 * b08 - a00 * b10 - a03 * b06,\n      a30 * b04 - a31 * b02 + a33 * b00,\n      a21 * b02 - a20 * b04 - a23 * b00,\n      a11 * b07 - a10 * b09 - a12 * b06,\n      a00 * b09 - a01 * b07 + a02 * b06,\n      a31 * b01 - a30 * b03 - a32 * b00,\n      a20 * b03 - a21 * b01 + a22 * b00) / det;\n}\n\nmat4 cameraLookAt(vec3 eye, vec3 target, vec3 up) {\n  #if 1\n  return inverse(lookAt(eye, target, up));\n  #else\n  vec3 zAxis = normalize(target - eye);\n  vec3 xAxis = normalize(cross(up, zAxis));\n  vec3 yAxis = cross(zAxis, xAxis);\n\n  return mat4(\n    xAxis, 0,\n    yAxis, 0,\n    zAxis, 0,\n    -dot(xAxis, eye), -dot(yAxis, eye), -dot(zAxis, eye), 1);  \n  #endif\n  \n}\n// hash function from https://www.shadertoy.com/view/4djSRW\nfloat hash(float p) {\n\tvec2 p2 = fract(vec2(p * 5.3983, p * 5.4427));\n    p2 += dot(p2.yx, p2.xy + vec2(21.5351, 14.3137));\n\treturn fract(p2.x * p2.y * 95.4337);\n}\n\nfloat m1p1(float v) {\n  return v * 2. - 1.;\n}\n\nfloat inv(float v) {\n  return 1. - v;\n}\n\nvec3 getQPoint(const float id) {\n  float outId = mix(id, 8. - id, step(2.5, id));\n  float ux = floor(outId / 6.) + mod(outId, 2.);\n  float vy = mod(floor(outId / 2.) + floor(outId / 3.), 2.); \n  vec3 pos = vec3(ux, vy, 0);  \n  return pos;\n}\n\nvoid main() {\n  float vId = vertexId;\n  float numStems = 6.;\n  float quadsPerStem   = 5.;\n  float pointsPerStem  = quadsPerStem * 6.;\n  float pointsPerFlake = pointsPerStem * numStems;\n  float numFlakes = floor(vertexCount / pointsPerFlake);\n  float quadId = mod(floor(vId / 6.), quadsPerStem);\n  float stemId = floor(vId / pointsPerStem);\n  float flakeId = floor(vId / pointsPerFlake);\n  float stemV = stemId / numStems;\n  float flakeV = flakeId / numFlakes;\n  \n  vec3 p = getQPoint(mod(vId, 6.));\n  \n  vec3 camera = vec3(0, 0, 1);\n  vec3 target = vec3(0, 0, 0);\n  vec3 up = vec3(0, 1, 0);\n  \n  float z = hash(flakeId) * -10.;\n\n  mat4 m = persp(radians(45.), resolution.x / resolution.y, 0.1, 20.);\n  m *= cameraLookAt(camera, target, up);\n  m *= trans(vec3(\n    (z + 1.5) * 1. * m1p1(hash(flakeId * 0.171)) + 0.05 * sin(time * mix(0.91, 0.2, hash(flakeId * 0.951))), \n    mix(1.5, -1.5, fract(hash(flakeId * .654) + time * mix(0.01, 0.03, hash(flakeId * 0.543)))), \n    z));\n  m *= uniformScale(mix(0.05, 0.1, hash(flakeId * 0.243)));\n  m *= rotZ(time * hash(flakeId));\n  m *= rotY(time * hash(flakeId));\n  m *= rotZ(stemV * PI * 2. + mix(1.5, -1.5, fract(time * mix(-0.3, 0.3, hash(flakeId * 0.843)))));\n  m *= scale(vec3(0.1, m1p1(hash(flakeId * 0.123 + quadId * 0.711 + p.x)) * 0.3, 1));\n  m *= trans(vec3(quadId, -0.5, 0));\n  gl_Position = m * vec4(p, 1);\n  \n  v_color = vec4(1);\n  v_color.a = mix(1.0, 0.0, hash(flakeId));\n  v_color = vec4(v_color.rgb * v_color.a, v_color.a);\n}"
+  },
   "screenshotURL": "data/images/images-w1f0zzufayogu5orv-thumbnail.jpg",
   "hasSound": true,
   "views": {