shader-effect-ripple.json 1.93 KB
{
  "stage": [
    {
      "type": "ImageActor",
      "name": "Image1",
      "position": [
        0.40461349487305,
        0.9150390625,
        0.0
      ],
      "parentOrigin": [0.5, 0.5, 0.5],
      "widthResizePolicy":"FILL_TO_PARENT",
      "heightResizePolicy":"DIMENSION_DEPENDENCY",
      "effect": "Ripple2D",
      "image": {
        "filename": "{DALI_IMAGE_DIR}gallery-medium-25.jpg",
        "width": 400,
        "height": 400,
        "loadPolicy": "IMMEDIATE",
        "releasePolicy": "NEVER"
      },
      "signals": [
        {
          "name": "onStage",
          "action": "play",
          "animation": "Animation_1"
        }
      ]
    }
  ],
  "paths": {},
  "animations": {
    "Animation_1": {
      "loop":true,
      "properties": [
        {
          "actor": "Image1",
          "property": "uTime",
          "value": 36.0,
          "alphaFunction": "LINEAR",
          "timePeriod": {
            "delay": 0,
            "duration": 20.0
          },
          "guiBuilderTimelineColor": "#8dc0da"
        }
      ]
    }
  },
  "shaderEffects": {
    "Ripple2D": {
      "program": {
        "vertexPrefix": "",
        "vertex": "void main(void)\n{\n  gl_Position = uProjection * uModelView * vec4(aPosition, 1.0);\n  vTexCoord = aTexCoord;\n}\n\n",
        "fragmentPrefix": "",
        "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",
        "geometryType": "GEOMETRY_TYPE_IMAGE"
      },
      "geometryHints": "HINT_NONE",
      "gridDensity": 0,
      "loop": true,
      "uAmplitude": 0.02,
      "uTime": 0.0
    }
  }
}