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improved collision displacer: no more clip-to-climb-up-rightside-only thingy

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This commit is contained in:
minjaesong
2017-07-07 00:01:20 +09:00
parent 1059031443
commit 40b9897a23
2 changed files with 33 additions and 19 deletions
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2
src/net/torvald/terrarum/StateInGameGDX.kt
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@@ -430,7 +430,7 @@ class StateInGameGDX(val batch: SpriteBatch) : Screen {
// blur lightmap //
///////////////////
val blurIterations = 5 // ideally, 4 * radius; must be even/odd number -- odd/even number will flip the image
val blurRadius = 4f / lightmapDownsample // (3, 4f); using low numbers for pixel-y aesthetics
val blurRadius = 4f / lightmapDownsample // (5, 4f); using low numbers for pixel-y aesthetics

50
src/net/torvald/terrarum/gameactors/ActorWithPhysics.kt
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@@ -657,29 +657,42 @@ open class ActorWithPhysics(renderOrder: RenderOrder, val immobileBody: Boolean
// points to the EDGE of the tile in world dimension (don't use this directly to get tilewise coord!!)
val offendingTileWorldX = if (selfCollisionStatus in listOf(6, 12))
newHitbox.endX.div(TILE_SIZE).floor() * TILE_SIZE
else
newHitbox.startX.div(TILE_SIZE).ceil() * TILE_SIZE
newHitbox.endX.div(TILE_SIZE).floor() * TILE_SIZE - 0.00001
else
newHitbox.startX.div(TILE_SIZE).ceil() * TILE_SIZE
// points to the EDGE of the tile in world dimension (don't use this directly to get tilewise coord!!)
val offendingTileWorldY = if (selfCollisionStatus in listOf(3, 6))
newHitbox.endY.div(TILE_SIZE).floor() * TILE_SIZE
else
newHitbox.startY.div(TILE_SIZE).ceil() * TILE_SIZE
newHitbox.endY.div(TILE_SIZE).floor() * TILE_SIZE - 0.00001
else
newHitbox.startY.div(TILE_SIZE).ceil() * TILE_SIZE
val offendingHitboxPointX = if (selfCollisionStatus in listOf(6, 12))
newHitbox.endX
else
newHitbox.startX
newHitbox.endX
else
newHitbox.startX
val offendingHitboxPointY = if (selfCollisionStatus in listOf(3, 6))
newHitbox.endY
else
newHitbox.startY
newHitbox.endY
else
newHitbox.startY
val angleOfIncidence =
if (selfCollisionStatus in listOf(3, 9))
vectorSum.direction.toPositiveRad()
else
vectorSum.direction
val angleThreshold =
if (selfCollisionStatus in listOf(3, 9))
(Vector2(offendingHitboxPointX, offendingHitboxPointY) -
Vector2(offendingTileWorldX, offendingTileWorldY)).direction.toPositiveRad()
else
(Vector2(offendingHitboxPointX, offendingHitboxPointY) -
Vector2(offendingTileWorldX, offendingTileWorldY)).direction
val angleOfIncidence = vectorSum.direction.toPositiveRad()
val angleThreshold = (Vector2(offendingHitboxPointX, offendingHitboxPointY) -
Vector2(offendingTileWorldX, offendingTileWorldY)).direction.toPositiveRad()
val displacementAbs = Vector2(
@@ -688,9 +701,8 @@ open class ActorWithPhysics(renderOrder: RenderOrder, val immobileBody: Boolean
)
// conditions should be four? for 4 corners?
// or mathe works regardless?
// (need to account for I < TH; I > TH; I == TH)
// FIXME jump-thru-ceil bug on 1px-wide (the edge), case-9 collision (does not occur on case-12 coll.)
val displacementUnitVector =
if (angleOfIncidence == angleThreshold)
@@ -717,6 +729,8 @@ open class ActorWithPhysics(renderOrder: RenderOrder, val immobileBody: Boolean
newHitbox.translate(finalDisplacement)
// TODO: translate other axis proportionally to the incident vector
bounceX = angleOfIncidence == angleThreshold || displacementUnitVector.x != 0.0
bounceY = angleOfIncidence == angleThreshold || displacementUnitVector.y != 0.0