@deck.gl/experimental-layers/dist/es5/trips-layer/trips-layer-vertex.glsl.js

Experimental layers for deck.gl

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
// Copyright (c) 2015 - 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
var _default = "#define SHADER_NAME trips-layer-vertex-shader\n\nattribute vec3 positions;\nattribute vec3 colors;\n\nuniform float opacity;\nuniform float currentTime;\nuniform float trailLength;\n\nvarying float vTime;\nvarying vec4 vColor;\n\nvoid main(void) {\n  vec2 p = project_position(positions.xy);\n  vec4 shift = vec4(0., 0., mod(positions.z, trailLength) * 1e-4, 0.);\n\n  gl_Position = project_to_clipspace(vec4(p, 1., 1.)) + shift;\n\n  vColor = vec4(colors / 255.0, opacity);\n  vTime = 1.0 - (currentTime - positions.z) / trailLength;\n}\n";
exports.default = _default;
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