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trying to fix phys engine platform tile bug

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minjaesong
2022-01-03 22:57:54 +09:00
parent 8502b51396
commit b9bb757a76
5 changed files with 32 additions and 19 deletions
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33
src/net/torvald/terrarum/gameactors/ActorWithBody.kt
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@@ -1281,24 +1281,39 @@ open class ActorWithBody : Actor {
* Very straightforward for the actual solid tiles, not so much for the platforms
*/
private fun shouldICollideWithThis(tile: ItemID) =
// regular solid block
// regular solid block
(BlockCodex[tile].isSolid)
// the location and size of the platform in world coord
protected var platformsToIgnore: Hitbox? = null
private fun standingOnIgnoredPlatform(): Boolean = platformsToIgnore.let {
return if (it != null)
hitbox.startX >= it.startX && hitbox.endX <= it.endX - PHYS_EPSILON_DIST &&
it.startY <= hitbox.endY && hitbox.endY <= it.endY - PHYS_EPSILON_DIST
else false
}
/**
* If this tile should be treated as "collidable"
*
* Just like "shouldICollideWithThis" but it's intended to work with feet tiles
*/
private fun shouldICollideWithThisFeet(tile: ItemID) =
// regular solid block
// regular solid block
(BlockCodex[tile].isSolid) ||
// platforms, moving downward AND not "going down"
(this is ActorHumanoid && BlockCodex[tile].isPlatform &&
externalV.y + (controllerV?.y ?: 0.0) >= 0.0 &&
!this.isDownDown && this.axisY <= 0f) ||
// platforms, moving downward
(this !is ActorHumanoid && BlockCodex[tile].isPlatform &&
externalV.y + (controllerV?.y ?: 0.0) >= 0.0)
// or platforms that are not on the "ignored list" (the list is updated on the update())
(this is ActorHumanoid && BlockCodex[tile].isPlatform && !standingOnIgnoredPlatform())
/*
// platforms, moving downward AND not "going down"
(this is ActorHumanoid && BlockCodex[tile].isPlatform &&
externalV.y + (controllerV?.y ?: 0.0) >= 0.0 &&
!this.isDownDown && this.axisY <= 0f) ||
// platforms, moving downward
(this !is ActorHumanoid && BlockCodex[tile].isPlatform &&
externalV.y + (controllerV?.y ?: 0.0) >= 0.0)
*/
// TODO: as for the platform, only apply it when it's a feet tile