Anvilcraft/HexCasting
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Change lightning to have a flow effect

Browse source
This commit is contained in:
Alwinfy 2022-05-22 19:24:03 -04:00
parent 38a300cb46
commit f2e9cb1f5e
No known key found for this signature in database
GPG key ID: 2CCB99445F0C949E
1 changed files with 13 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
Common/src/main/java/at/petrak/hexcasting/client/RenderLib.kt
View file

@ -169,35 +169,33 @@ object RenderLib {
if (points.isEmpty()) {
return emptyList()
}
val zSeed = (ClientTickCounter.total.toDouble()) * speed
val scaleVariance = { it: Double -> Math.min(1.0, 8 * (0.5 - Math.abs(0.5 - it))) }
val hops = hops.toInt()
val zSeed = ClientTickCounter.total.toDouble() * speed
// Create our output list of zap points
val zappyPts = mutableListOf(points[0])
// For each segment in the original...
for ((i, pair) in points.zipWithNext().withIndex()) {
val (src, target) = pair
// Compute distance-squared to the destination, then scale it down by # of hops
// to know how long each individual hop should be (squared)
val hopDistSqr = src.distanceToSqr(target) / (hops * hops)
// Then take the square root to find the actual hop distance
val hopDist = Mth.sqrt(hopDistSqr)
val delta = target.add(src.negated())
// Take hop distance
val hopDist = Mth.sqrt(src.distanceToSqr(target)) / hops
// Compute how big the radius of variance should be
val maxVariance = hopDist * variance
var position = src
var j = 0
while (position.distanceToSqr(target) > hopDistSqr) {
for (j in 1..hops) {
val progress = j.toDouble() / (hops + 1)
// Add the next hop...
val hop = target.add(position.negated()).normalized().scale(hopDist)
val pos = src.add(delta.scale(progress.toFloat()))
// as well as some random variance...
// (We use i, j (segment #, subsegment #) as seeds for the Perlin noise,
// and zSeed (i.e. time elapsed) to perturb the shape gradually over time)
val theta = (3 * NOISE.getValue(i.toDouble(), j.toDouble(), zSeed) * HexUtils.TAU).toFloat()
val r = NOISE.getValue(i.inv().toDouble(), j.toDouble(), zSeed).toFloat() * maxVariance
val minorPerturb = NOISE.getValue(i.toDouble(), j.toDouble(), Math.sin(zSeed)) * 0.2
val theta = (3 * NOISE.getValue(i.toDouble() + j.toDouble() / (hops + 1) + minorPerturb - zSeed, 1337.0, 0.0) * HexUtils.TAU).toFloat()
val r = (NOISE.getValue(i.toDouble() + j.toDouble() / (hops + 1) - zSeed, 69420.0, 0.0) * maxVariance * scaleVariance(progress)).toFloat()
val randomHop = Vec2(r * Mth.cos(theta), r * Mth.sin(theta))
position = position.add(hop).add(randomHop)
// Then record the new location.
zappyPts.add(position)
j += 1
zappyPts.add(pos.add(randomHop))
}
// Finally, we hit the destination, add that too
zappyPts.add(target)