resources/scripts/shader-effect-ripple.json

   1 {
   2   "stage": [
   3     {
   4       "type": "ImageActor",
   5       "name": "Image1",
   6       "position": [
   7         0.40461349487305,
   8         0.9150390625,
   9         0.0
  10       ],
  11       "parentOrigin": [0.5, 0.5, 0.5],
  12       "widthResizePolicy":"FILL_TO_PARENT",
  13       "heightResizePolicy":"DIMENSION_DEPENDENCY",
  14       "effect": "Ripple2D",
  15       "image": {
  16         "filename": "{DALI_IMAGE_DIR}gallery-medium-25.jpg",
  17         "width": 400,
  18         "height": 400,
  19         "loadPolicy": "IMMEDIATE",
  20         "releasePolicy": "NEVER"
  21       },
  22       "signals": [
  23         {
  24           "name": "onStage",
  25           "action": "play",
  26           "animation": "Animation_1"
  27         }
  28       ]
  29     }
  30   ],
  31   "paths": {},
  32   "animations": {
  33     "Animation_1": {
  34       "loop":true,
  35       "properties": [
  36         {
  37           "actor": "Image1",
  38           "property": "uTime",
  39           "value": 36.0,
  40           "alphaFunction": "LINEAR",
  41           "timePeriod": {
  42             "delay": 0,
  43             "duration": 20.0
  44           },
  45           "guiBuilderTimelineColor": "#8dc0da"
  46         }
  47       ]
  48     }
  49   },
  50   "shaderEffects": {
  51     "Ripple2D": {
  52       "program": {
  53         "vertexPrefix": "",
  54         "vertex": "void main(void)\n{\n  gl_Position = uMvpMatrix * vec4(aPosition*uSize.xy, 0.0, 1.0);\n  vTexCoord = mix( uTextureRect.xy, uTextureRect.zw, aPosition + vec2(0.5) );\n}\n\n",
  55         "fragmentPrefix": "",
  56         "fragment": "precision mediump float;\nuniform float uAmplitude; // 0.02; (< 1)\nuniform float uTime;\nvoid main()\n{\n  highp vec2 textureSize = uTextureRect.zw - uTextureRect.xy;\n  highp vec2 pos = -1.0 + 2.0 * vTexCoord.st/textureSize;\n  highp float len = length(pos);\n  highp vec2 texCoord = vTexCoord.st/textureSize + pos/len * sin( len * 12.0 - uTime * 4.0 ) * uAmplitude; \n  gl_FragColor = texture2D(sTexture, texCoord) * uColor;\n}\n\n\n",
  57         "geometryType": "GEOMETRY_TYPE_IMAGE"
  58       },
  59       "geometryHints": "HINT_NONE",
  60       "gridDensity": 0,
  61       "loop": true,
  62       "uAmplitude": 0.02,
  63       "uTime": 0.0
  64     }
  65   }
  66 }