vue-cesium/lib/components/overlays/wind/glsl/trailDraw.frag.js

Vue 3.x components for CesiumJS.

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

"use strict";
const text = `

uniform sampler2D segmentsColorTexture;
uniform sampler2D segmentsDepthTexture;

uniform sampler2D currentTrailsColor;
uniform sampler2D trailsDepthTexture;

uniform float fadeOpacity;

in vec2 textureCoordinate;

void main() {
  vec4 pointsColor = texture(segmentsColorTexture, textureCoordinate);
  vec4 trailsColor = texture(currentTrailsColor, textureCoordinate);

  trailsColor = floor(fadeOpacity * 255.0 * trailsColor) / 255.0; // make sure the trailsColor will be strictly decreased

  float pointsDepth = texture(segmentsDepthTexture, textureCoordinate).r;
  float trailsDepth = texture(trailsDepthTexture, textureCoordinate).r;
  float globeDepth = czm_unpackDepth(texture(czm_globeDepthTexture, textureCoordinate));

  out_FragColor = vec4(0.0);
  if (pointsDepth < globeDepth) {
    out_FragColor = out_FragColor + pointsColor;
  }
  if (trailsDepth < globeDepth) {
    out_FragColor = out_FragColor + trailsColor;
  }
  gl_FragDepth = min(pointsDepth, trailsDepth);
}
`;

exports["default"] = text;
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