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smoothcam that's only noticeable when the character climbs up the stairs

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minjaesong
2021-09-16 22:22:36 +09:00
parent 51a6cb5d5d
commit c3481fd47d
1 changed files with 31 additions and 3 deletions
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34
src/net/torvald/terrarum/worlddrawer/WorldCamera.kt
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@@ -9,6 +9,7 @@ import net.torvald.terrarum.ceilInt
import net.torvald.terrarum.floorInt
import net.torvald.terrarum.gameactors.ActorWithBody
import net.torvald.terrarum.gameworld.GameWorld
import net.torvald.terrarum.gameworld.fmod
import org.dyn4j.geometry.Vector2
/**
@@ -61,6 +62,9 @@ object WorldCamera {
private val nullVec = Vector2(0.0, 0.0)
private var worldWidth = 0
private var worldHeight = 0
fun update(world: GameWorld, player: ActorWithBody?) {
if (player == null) return
@@ -68,12 +72,14 @@ object WorldCamera {
height = App.scr.height//FastMath.ceil(AppLoader.terrarumAppConfig.screenH / zoom)
zoom = Terrarum.ingame?.screenZoom ?: 1f
zoomSamplePoint = (1f - 1f / zoom) / 2f // will never quite exceed 0.5
worldWidth = world.width * TILE_SIZE
worldHeight = world.height * TILE_SIZE
// TOP-LEFT position of camera border
// some hacky equation to position player at the dead centre
// implementing the "lag behind" camera the right way
val pVecSum = if (player is ActorWithBody)
/*val pVecSum = if (player is ActorWithBody)
player.externalV + (player.controllerV ?: nullVec)
else
nullVec
@@ -85,6 +91,19 @@ object WorldCamera {
(player.hitbox.centeredY - pVecSum.y).toFloat() - height / 2,
TILE_SIZEF,
world.height * TILE_SIZE - height - TILE_SIZEF
)).floorInt().clampCameraY(world)*/
val oldX = x.toFloat()
val newX1 = (player.hitbox.centeredX).toFloat() - (width / 2)
val newX2 = newX1 + worldWidth
val newX = if (Math.abs(newX1 - oldX) < Math.abs(newX2 - oldX)) newX1 else newX2
x = FastMath.interpolateLinear(0.49f, oldX, newX).floorInt() fmod worldWidth
y = FastMath.interpolateLinear(0.49f, y.toFloat(), FastMath.clamp(
(player.hitbox.centeredY).toFloat() - (height / 2),
TILE_SIZEF,
worldHeight - height - TILE_SIZEF
)).floorInt().clampCameraY(world)
xEnd = x + width
@@ -94,8 +113,17 @@ object WorldCamera {
private fun Int.clampCameraY(world: GameWorld): Int {
return if (this < 0)
0
else if (this > world.height.times(TILE_SIZE) - App.scr.height)
world.height.times(TILE_SIZE) - App.scr.height
else if (this > worldHeight - App.scr.height)
worldHeight - App.scr.height
else
this
}
private fun Float.clampCameraY(world: GameWorld): Float {
return if (this < 0f)
0f
else if (this > worldHeight - App.scr.height)
(worldHeight - App.scr.height).toFloat()
else
this
}