mckero/Look4Sat-BA7OPF
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Added orientation pointer to PolarView.kt, changed drawn satellite icon

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Arty Bishop committed 2021-04-25 10:19:43 +01:00
1 parent 3c29dafd51
commit fe69e90749
2 files changed
+40 -6
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app/src/main/java/com/rtbishop/look4sat/presentation/polarScreen/PolarView.kt
+29 -6
View File
@@ -18,10 +18,7 @@
package com.rtbishop.look4sat.presentation.polarScreen
import android.content.Context
import android.graphics.Canvas
import android.graphics.Color
import android.graphics.Paint
import android.graphics.Path
import android.graphics.*
import android.view.View
import androidx.core.content.ContextCompat
import com.rtbishop.look4sat.R
@@ -66,6 +63,20 @@ class PolarView(context: Context) : View(context) {
color = ContextCompat.getColor(context, R.color.themeLight)
style = Paint.Style.FILL
}
private val satBmp = ContextCompat.getDrawable(context, R.drawable.ic_sat_polar)?.let { sat ->
Bitmap.createBitmap(sat.intrinsicWidth, sat.intrinsicHeight, Bitmap.Config.ARGB_8888).also {
val canvas = Canvas(it)
sat.setBounds(0, 0, canvas.width, canvas.height)
sat.draw(canvas)
return@let it
}
}
private val orientPaint = Paint().apply {
isAntiAlias = true
color = Color.RED
style = Paint.Style.STROKE
strokeWidth = scale * 2f
}
fun setPass(satPass: SatPass) {
this.satPass = satPass
@@ -86,6 +97,7 @@ class PolarView(context: Context) : View(context) {
drawRadarText(canvas)
if (!satPass.isDeepSpace) canvas.drawPath(satTrack, trackPaint)
drawSatellite(canvas, satPass)
drawOrientation(canvas, azimuth, pitch)
}
private fun createPassTrajectory(satPass: SatPass) {
@@ -121,13 +133,24 @@ class PolarView(context: Context) : View(context) {
private fun drawSatellite(canvas: Canvas, satPass: SatPass) {
val satPos = satPass.predictor.getSatPos(Date())
if (satPos.elevation > 0) {
if (satPos.elevation > 0 && satBmp != null) {
val satX = sph2CartX(satPos.azimuth, satPos.elevation, radius.toDouble())
val satY = sph2CartY(satPos.azimuth, satPos.elevation, radius.toDouble())
canvas.drawCircle(satX, -satY, txtSize / 2.4f, satPaint)
canvas.drawBitmap(satBmp, satX - satBmp.width / 2, -satY - satBmp.height / 2, satPaint)
}
}
private fun drawOrientation(canvas: Canvas, azimuth: Float, pitch: Float) {
val azimuthRad = Math.toRadians(azimuth.toDouble())
val tmpElevation = Math.toRadians(pitch.toDouble())
val elevationRad = if (tmpElevation > 0.0) 0.0 else tmpElevation
val orientX = sph2CartX(azimuthRad, -elevationRad, radius.toDouble())
val orientY = sph2CartY(azimuthRad, -elevationRad, radius.toDouble())
canvas.drawLine(orientX - txtSize, -orientY, orientX + txtSize, -orientY, orientPaint)
canvas.drawLine(orientX, -orientY - txtSize, orientX, -orientY + txtSize, orientPaint)
canvas.drawCircle(orientX, -orientY, txtSize / 2, orientPaint)
}
private fun sph2CartX(azimuth: Double, elevation: Double, r: Double): Float {
val radius = r * (piDiv2 - elevation) / piDiv2
return (radius * cos(piDiv2 - azimuth)).toFloat()