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more efficient particles

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Former-commit-id: 56dad88ecd715ad6e357e33b903851a47a358dcd
Former-commit-id: c85c0b759a447c0461563d98156f59879fa95db2
This commit is contained in:
Song Minjae
2017-01-22 04:13:45 +09:00
parent 56a012d843
commit 2131e86e76
22 changed files with 135 additions and 66 deletions
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65
src/net/torvald/terrarum/gameactors/ParticleBase.kt
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@@ -13,16 +13,14 @@ import org.newdawn.slick.Image
/**
* Actors with static sprites and very simple physics
*
* Created by SKYHi14 on 2017-01-20.
* Created by minjaesong on 2017-01-20.
*/
open class ParticleBase(renderOrder: ActorOrder, maxLifeTime: Int? = null) : ActorVisible(renderOrder), Projectile {
open class ParticleBase(renderOrder: ActorOrder, maxLifeTime: Int? = null) : Runnable {
override var actorValue = ActorValue()
override @Volatile var flagDespawn = false
/** Will NOT actually delete from the CircularArray */
@Volatile var flagDespawn = false
override fun run() {
TODO("not implemented")
}
override fun run() = update(Terrarum.appgc, Terrarum.ingame.UPDATE_DELTA)
var isNoSubjectToGrav = false
var dragCoefficient = 3.0
@@ -31,38 +29,47 @@ open class ParticleBase(renderOrder: ActorOrder, maxLifeTime: Int? = null) : Act
private var lifetimeCounter = 0
open val velocity = Vector2(0.0, 0.0)
open val hitbox = Hitbox(0.0, 0.0, 0.0, 0.0)
open lateinit var image: Image
open lateinit var body: Image
open var glow: Image? = null
init {
}
override fun update(gc: GameContainer, delta: Int) {
lifetimeCounter += delta
if (velocity.isZero || lifetimeCounter >= lifetimeMax ||
// simple stuck check
TileCodex[Terrarum.ingame.world.getTileFromTerrain(
hitbox.pointedX.div(TILE_SIZE).floorInt(),
hitbox.pointedY.div(TILE_SIZE).floorInt()
) ?: Tile.STONE].isSolid) {
flagDespawn = true
fun update(gc: GameContainer, delta: Int) {
if (!flagDespawn) {
lifetimeCounter += delta
if (velocity.isZero || lifetimeCounter >= lifetimeMax ||
// simple stuck check
TileCodex[Terrarum.ingame.world.getTileFromTerrain(
hitbox.pointedX.div(TILE_SIZE).floorInt(),
hitbox.pointedY.div(TILE_SIZE).floorInt()
) ?: Tile.STONE].isSolid) {
flagDespawn = true
}
// gravity, winds, etc. (external forces)
if (!isNoSubjectToGrav) {
velocity += Terrarum.ingame.world.gravitation / dragCoefficient * SI_TO_GAME_ACC
}
// combine external forces
hitbox.translate(velocity)
}
// gravity, winds, etc. (external forces)
if (!isNoSubjectToGrav) {
velocity += Terrarum.ingame.world.gravitation / dragCoefficient * SI_TO_GAME_ACC
}
// combine external forces
hitbox.translate(velocity)
}
override fun drawBody(g: Graphics) {
g.drawImage(image, hitbox.centeredX.toFloat(), hitbox.centeredY.toFloat())
fun drawBody(g: Graphics) {
if (!flagDespawn) {
g.drawImage(body, hitbox.centeredX.toFloat(), hitbox.centeredY.toFloat())
}
}
override fun drawGlow(g: Graphics) {
fun drawGlow(g: Graphics) {
if (!flagDespawn && glow != null) {
g.drawImage(glow, hitbox.centeredX.toFloat(), hitbox.centeredY.toFloat())
}
}
}