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improve frustum culling performance

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Bixilon 2022-05-06 23:22:33 +02:00
parent 1ac380b4c1
commit 306babeebd
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1 changed files with 11 additions and 28 deletions
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39
src/main/java/de/bixilon/minosoft/gui/rendering/camera/frustum/Frustum.kt
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@ -118,36 +118,19 @@ class Frustum(
}
}
fun checkPoint(check: (Vec3) -> Boolean): Boolean {
var successFullChecks = 0
for (i in 0 until 8) {
if (check(normals[i])) {
successFullChecks++
continue
}
return false
}
return true
for (i in 0 until 8) {
val normal = normals[i].array
if (normal[0] >= min.x) return true
if (normal[0] <= max.x) return true
if (normal[1] >= min.y) return true
if (normal[1] <= max.y) return true
if (normal[2] >= min.z) return true
if (normal[2] <= max.z) return true
}
val checks: Array<(Vec3) -> Boolean> = arrayOf(
{ it.x > max.x },
{ it.x < min.x },
{ it.y > max.y },
{ it.y < min.y },
{ it.z > max.z },
{ it.z < min.z },
)
for (check in checks) {
if (checkPoint(check)) {
return false
}
}
return true
return false
}
fun containsChunk(chunkPosition: Vec2i, sectionHeight: Int, minPosition: Vec3i, maxPosition: Vec3i): Boolean {