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       "size": [200, 200, 0],
  13       "effect": "Ripple2D",
  14       "image": {
  15         "filename": "{DALI_IMAGE_DIR}gallery-medium-25.jpg",
  16         "width": 200,
  17         "height": 80,
  18         "loadPolicy": "IMMEDIATE",
  19         "releasePolicy": "NEVER"
  20       },
  21       "signals": [
  22         {
  23           "name": "onStage",
  24           "action": "play",
  25           "animation": "Animation_1"
  26         }
  27       ]
  28     }
  29   ],
  30   "paths": {},
  31   "animations": {
  32     "Animation_1": {
  33       "loop":true,
  34       "properties": [
  35         {
  36           "actor": "Image1",
  37           "property": "uTime",
  38           "value": 10.0,
  39           "alphaFunction": "LINEAR",
  40           "timePeriod": {
  41             "delay": 0,
  42             "duration": 10.0
  43           },
  44           "guiBuilderTimelineColor": "#8dc0da"
  45         }
  46       ]
  47     }
  48   },
  49   "shaderEffects": {
  50     "Ripple2D": {
  51       "program": {
  52         "vertexPrefix": "",
  53         "vertex": "void main(void)\n{\n  gl_Position = uProjection * uModelView * vec4(aPosition, 1.0);\n  vTexCoord = aTexCoord;\n}\n\n",
  54         "fragmentPrefix": "",
  55         "fragment": "precision mediump float;\nuniform float uAmplitude; // 0.02; (< 1)\nuniform float uTime;\nvoid main()\n{\n  highp vec2 textureSize = sTextureRect.zw - sTextureRect.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",
  56         "geometryType": "GEOMETRY_TYPE_IMAGE"
  57       },
  58       "geometryHints": "HINT_NONE",
  59       "gridDensity": 0,
  60       "loop": true,
  61       "uAmplitude": 0.02,
  62       "uTime": 0.0
  63     }
  64   }
  65 }