vue-cesium
Version:
Vue 3.x components for CesiumJS.
37 lines (27 loc) • 1.09 kB
JavaScript
;
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);
}
`;
export { text as default };
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