mckero/Look4Sat-rt-bishop
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Added colored elevation and decay check to satellite passes

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Arty Bishop committed 2026-05-30 15:35:52 +01:00
1 parent 18c8ac1822
commit f7f5a73c4c
8 files changed
+213 -28
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core/data/src/main/java/com/rtbishop/look4sat/core/data/repository/SatelliteRepo.kt
+7 -6
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@@ -146,17 +146,18 @@ class SatelliteRepo(
val passes = mutableListOf<OrbitalPass>()
val endDate = time + hours * 60L * 60L * 1000L
val quarterOrbitMin = (this.data.orbitalPeriod / 4.0).toInt()
val decayed = this.data.hasDecayed(time)
var startDate = time
var shouldRewind = true
var lastAosDate: Long
var count = 0
if (this.willBeSeen(pos)) {
if (this.data.isDeepSpace) {
passes.add(getGeoPass(this, pos, time))
passes.add(getGeoPass(this, pos, time, decayed))
} else {
do {
if (count > 0) shouldRewind = false
val pass = getLeoPass(this, pos, startDate, shouldRewind)
val pass = getLeoPass(this, pos, startDate, shouldRewind, decayed)
lastAosDate = pass.aosTime
passes.add(pass)
startDate = pass.losTime + (quarterOrbitMin * 3) * 60L * 1000L
@@ -167,17 +168,17 @@ class SatelliteRepo(
return passes
}
private fun getGeoPass(sat: OrbitalObject, pos: GeoPos, time: Long): OrbitalPass {
private fun getGeoPass(sat: OrbitalObject, pos: GeoPos, time: Long, decayed: Boolean): OrbitalPass {
val satPos = sat.getPosition(pos, time)
val aos = time - 24 * 60L * 60L * 1000L
val los = time + 24 * 60L * 60L * 1000L // val tca = (aos + los) / 2
val az = satPos.azimuth.toDegrees().round(1)
val elev = satPos.elevation.toDegrees().round(1)
val alt = satPos.altitude
return OrbitalPass(aos, az, los, az, alt.toInt(), elev, sat)
return OrbitalPass(aos, az, los, az, alt.toInt(), elev, sat, hasDecayed = decayed)
}
private fun getLeoPass(sat: OrbitalObject, pos: GeoPos, time: Long, rewind: Boolean): OrbitalPass {
private fun getLeoPass(sat: OrbitalObject, pos: GeoPos, time: Long, rewind: Boolean, decayed: Boolean): OrbitalPass {
val quarterOrbitMin = (sat.data.orbitalPeriod / 4.0).toInt()
var calendarTimeMillis = time
var elevation: Double
@@ -241,6 +242,6 @@ class SatelliteRepo(
val alt = tcaPos.altitude
val elev = maxElevation.toDegrees().round(1)
return OrbitalPass(aos, aosAz, los, losAz, alt.toInt(), elev, sat)
return OrbitalPass(aos, aosAz, los, losAz, alt.toInt(), elev, sat, hasDecayed = decayed)
}
}