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Increase quantity and randomize size of stars

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This commit is contained in:
William Brawner 2020-12-03 06:55:00 -07:00
parent f01bfe683d
commit b5524bcb35
1 changed files with 29 additions and 22 deletions
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51
app/src/main/java/com/wbrawner/materialive/MaterialiveService.kt
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@ -4,6 +4,7 @@ import android.content.res.Configuration
import android.content.res.Resources
import android.graphics.Canvas
import android.graphics.Rect
import android.graphics.drawable.Drawable
import android.service.wallpaper.WallpaperService
import android.util.Log
import android.util.TypedValue
@ -17,8 +18,19 @@ class MaterialiveService : WallpaperService() {
override fun onCreateEngine() = Engine()
inner class Engine : WallpaperService.Engine() {
private val translations = mutableListOf<Pair<Float, Float>>()
private val random = Random(System.currentTimeMillis())
private val random = Random(24849010328)
private val stars = mutableListOf<Drawable>()
override fun onCreate(surfaceHolder: SurfaceHolder?) {
super.onCreate(surfaceHolder)
for (i in 1..5) {
ContextCompat.getDrawable(applicationContext, R.drawable.ic_sun)?.apply {
val padding = i.toFloat().toDp()
bounds = Rect(0, 0, padding.toInt(), padding.toInt())
stars.add(this)
}
}
}
override fun onSurfaceRedrawNeeded(holder: SurfaceHolder?) {
Log.d("Materialize", "onSurfaceRedrawNeeded")
@ -48,28 +60,23 @@ class MaterialiveService : WallpaperService() {
}
private fun drawStars(canvas: Canvas) {
ContextCompat.getDrawable(applicationContext, R.drawable.ic_sun)?.apply {
val padding = 5f.toDp()
bounds = Rect(0, 0, padding.toInt(), padding.toInt())
canvas.save()
val stepMin = canvas.width.toFloat() / 4
val stepMax = canvas.width.toFloat()
var totalY = 0f
while (totalY < canvas.height) {
var returnX = 0f
while (true) {
val x = ((stepMax - stepMin) * random.nextFloat())
if (returnX + x >= canvas.width) break
canvas.translate(x, 0f)
draw(canvas)
returnX += x
}
val y = 10f.toDp()
canvas.translate(returnX * -1, y)
totalY += y
canvas.save()
var totalY = 0f
while (totalY < canvas.height) {
var returnX = 0f
while (true) {
val star = stars[random.nextInt(0, stars.size - 1)]
val x = ((canvas.width / 2) * random.nextFloat())
if (returnX + x >= canvas.width) break
canvas.translate(x, 0f)
star.draw(canvas)
returnX += x
}
canvas.restore()
val y = 8f.toDp()
canvas.translate(returnX * -1, y)
totalY += y
}
canvas.restore()
}
private fun drawSun(canvas: Canvas) {