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[orx-fcurve] Clean-up FCurve.kt

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This commit is contained in:
Edwin Jakobs
2025-01-20 11:32:04 +01:00
parent ff2918f3a9
commit b631e4493c
1 changed files with 10 additions and 7 deletions
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17
orx-fcurve/src/commonMain/kotlin/FCurve.kt
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@@ -48,7 +48,6 @@ fun Segment2D.scaleTangents(axis: Vector2 = Vector2.UNIT_X): Segment2D {
val c = this.cubic
val width = end.distanceTo(start)
val d = c.end - c.start
val cd0 = (c.control[0] - c.start).projectedOn(axis)
val cd0a = cd0.dot(axis)
val cd1 = (c.control[1] - c.end).projectedOn(-axis)
@@ -220,7 +219,7 @@ data class FCurve(val segments: List<Segment2D>) {
/**
* Evaluate the Fcurve at [t]
* @param segment an optional segment that can be used to speed up scanning for the relevant segment
* @param cachedSegment an optional segment that can be used to speed up scanning for the relevant segment
*/
fun valueWithSegment(t: Double, cachedSegment: Segment2D? = null): Pair<Double, Segment2D?> {
if (cachedSegment != null) {
@@ -348,11 +347,9 @@ class FCurveBuilder {
if (segments.isNotEmpty()) {
val lastSegment = segments.last()
val lastDuration = lastSegment.end.x - lastSegment.start.x
val outTangent = if (segments.last().linear) lastSegment.end else segments.last().control.last()
val outPos = lastSegment.end
val d = outPos - outTangent
//val dn = d.normalized
val ts = 1.0// x / lastDuration
segments.add(
Segment2D(
@@ -417,14 +414,20 @@ fun fcurve(builder: FCurveBuilder.() -> Unit): FCurve {
return fb.build()
}
/**
* Split an Fcurve string in to command parts
* Splits an input string containing fcurve path commands and numbers into individual components,
* preserving the order of commands and associated numbers.
* The splitting considers the relations between commands and numbers, ensuring proper separation.
*
* @param d The input string representing fcurve path commands and numbers.
* @return A list of strings where each element is either an fcurve path command or a related numerical value.
*/
fun fCurveCommands(d: String): List<String> {
val svgCommands = "mMlLqQsStTcChH"
val fcurveCommands = "mMlLqQsStTcChH"
val number = "0-9.\\-E%"
return d.split(Regex("(?:[\t ,]|\r?\n)+|(?<=[$svgCommands])(?=[$number])|(?<=[$number])(?=[$svgCommands])"))
return d.split(Regex("(?:[\t ,]|\r?\n)+|(?<=[$fcurveCommands])(?=[$number])|(?<=[$number])(?=[$fcurveCommands])"))
.filter { it.isNotBlank() }
}