threejs_test.json

!ThreeJS Test

collection head

threejs_test.json

{
  "id": 1665,
  "name": "perfrag_light",
  "fragment": "/**\n* Example Fragment Shader\n* Sets the color and alpha of the pixel by setting gl_FragColor\n*/\n\n// Set the precision for data types used in this shader\nprecision highp float;\nprecision highp int;\n\n// Default THREE.js uniforms available to both fragment and vertex shader\nuniform mat4 modelMatrix;\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform mat4 viewMatrix;\nuniform mat3 normalMatrix;\n\n// Default uniforms provided by ShaderFrog.\nuniform vec3 cameraPosition;\nuniform float time;\n\n// A uniform unique to this shader. You can modify it to the using the form\n// below the shader preview. Any uniform you add is automatically given a form\nuniform vec3 lightPosition;\n//uniform sampler2D u_texture;\n\n// Example varyings passed from the vertex shader\nvarying vec3 vPosition;\nvarying vec3 vNormal;\nvarying vec2 vUv;\nvarying vec2 vUv2;\n\nvoid main() {\n\n    // Calculate the real position of this pixel in 3d space, taking into account\n    // the rotation and scale of the model. It's a useful formula for some effects.\n    // This could also be done in the vertex shader\n    vec3 worldPosition = ( modelMatrix * vec4( vPosition, 1.0 )).xyz;\n\n    // Calculate the normal including the model rotation and scale\n    vec3 worldNormal = normalize( vec3( modelMatrix * vec4( vNormal, 0.0 ) ) );\n\n    vec3 lightVector = normalize( lightPosition + vec3(cos(time*4.)*2.,0.,sin(time*4.)*2.) - worldPosition );\n\n    // An example simple lighting effect, taking the dot product of the normal\n    // (which way this pixel is pointing) and a user generated light position\n    float brightness = dot( worldNormal, lightVector );\n\n    // Fragment shaders set the gl_FragColor, which is a vector4 of\n    // ( red, green, blue, alpha ).\n    gl_FragColor = vec4( vec3(1.) * brightness, 1.0 );\n\n}",
  "vertex": "/**\n* Example Vertex Shader\n* Sets the position of the vertex by setting gl_Position\n*/\n\n// Set the precision for data types used in this shader\nprecision highp float;\nprecision highp int;\n\n// Default THREE.js uniforms available to both fragment and vertex shader\nuniform mat4 modelMatrix;\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform mat4 viewMatrix;\nuniform mat3 normalMatrix;\n\n// Default uniforms provided by ShaderFrog.\nuniform float time;\n\n// Default attributes provided by THREE.js. Attributes are only available in the\n// vertex shader. You can pass them to the fragment shader using varyings\nattribute vec3 position;\nattribute vec3 normal;\nattribute vec2 uv;\nattribute vec2 uv2;\n\n// Examples of variables passed from vertex to fragment shader\nvarying vec3 vPosition;\nvarying vec3 vNormal;\nvarying vec2 vUv;\nvarying vec2 vUv2;\n\nvoid main() {\n\n    // To pass variables to the fragment shader, you assign them here in the\n    // main function. Traditionally you name the varying with vAttributeName\n    vNormal = normal;\n    vUv = uv;\n    vUv2 = uv2;\n    vPosition = position;\n\n    // This sets the position of the vertex in 3d space. The correct math is\n    // provided below to take into account camera and object data.\n    gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n}",
  "uniforms": {
    "cameraPosition": {
      "name": "cameraPosition",
      "displayName": null,
      "type": "v3",
      "glslType": "vec3",
      "useGridHelper": false,
      "useRange": false,
      "range": null,
      "isRandom": false,
      "randomRange": null,
      "useToggle": false,
      "toggle": null,
      "description": ""
    },
    "time": {
      "name": "time",
      "displayName": null,
      "type": "f",
      "glslType": "float",
      "useGridHelper": false,
      "useRange": false,
      "range": null,
      "isRandom": false,
      "randomRange": null,
      "useToggle": false,
      "toggle": null,
      "description": ""
    },
    "lightPosition": {
      "name": "lightPosition",
      "displayName": null,
      "type": "v3",
      "glslType": "vec3",
      "useGridHelper": false,
      "useRange": false,
      "range": null,
      "isRandom": false,
      "randomRange": null,
      "useToggle": false,
      "toggle": null,
      "description": ""
      "runtime": {
        "texture": null
      },
      "value": {
        "x": 0,
        "y": 0,
        "z": 1
      }
    }
  },
  "url": "http://shaderfrog.com/app/view/1665",
  "user": {
    "username": "MartinRGB",
    "url": "http://shaderfrog.com/app/profile/andrewray"
  }
}