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doppler effect

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minjaesong
2024-01-21 03:23:25 +09:00
parent f34a6b7c9f
commit 3da37408a2
4 changed files with 34 additions and 12 deletions
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11
src/net/torvald/terrarum/Terrarum.kt
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@@ -25,6 +25,7 @@ import net.torvald.terrarum.blockproperties.WireCodex
import net.torvald.terrarum.gameactors.Actor
import net.torvald.terrarum.gameactors.ActorID
import net.torvald.terrarum.gameactors.ActorWithBody
import net.torvald.terrarum.gameactors.ActorWithBody.Companion.METER
import net.torvald.terrarum.gameactors.faction.FactionCodex
import net.torvald.terrarum.gameworld.fmod
import net.torvald.terrarum.itemproperties.CraftingCodex
@@ -91,7 +92,7 @@ object Terrarum : Disposable {
/**
* To be used with physics simulator. This is a magic number.
*/
const val PHYS_TIME_FRAME: Double = 26.0 + (2.0 / 3.0)
const val PHYS_TIME_FRAME: Double = METER
// 26.0 + (2.0 / 3.0) // lower value == faster gravity response (IT WON'T HOTSWAP!!)
// protip: using METER, game unit and SI unit will have same number
@@ -973,11 +974,15 @@ inline fun Disposable.tryDispose() {
}
fun distBetweenActors(a: ActorWithBody, b: ActorWithBody): Double {
return distBetweenPoints(a.centrePosVector, b.centrePosVector)
}
fun distBetweenPoints(a: Vector2, b: Vector2): Double {
val ww = INGAME.world.width * TILE_SIZED
val apos1 = a.centrePosVector
val apos1 = a
val apos2 = Vector2(apos1.x + ww, apos1.y)
val apos3 = Vector2(apos1.x - ww, apos1.y)
val bpos = b.centrePosVector
val bpos = b
val dist = min(min(bpos.distanceSquared(apos1), bpos.distanceSquared(apos2)), bpos.distanceSquared(apos3))
return dist.sqrt()
}