globe-points.yaml

import: globe.yaml
styles:
    projection_points:
        mix: stereo-points
    stereo-points:
        mix: stereo
        shaders:
            blocks:
                position: |
                    // lat, lon, centerlat, and centerlon are defined in globe.yaml

                    // if the point goes past the horizon
                    if (haversine(rad2deg(lat), rad2deg(lon), rad2deg(centerlat), rad2deg(centerlon)) > EARTH_RADIUS * PI / 2.0) {
                        // clip the point
                        position.xy = vec2(3.402823466e+38);
                    } else {
                        // bend map into globe
                        position.xyz = latLongToVector3(lat, lon, 2.) * EARTH_RADIUS;

                        // rotate globe with map navigation
                        // 90 degrees in radians = 1.5708
                        position.xyz *= globe_rotateY3D((-centerlon - 1.5708));
                        position.xyz *= globe_rotateX3D(-(centerlat));
                    }