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CatmullRomDecoder now reuses temporary arrays for partial controlPoints/wps instead of creating new ones

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This commit is contained in:
Demigiant 2019-02-28 12:18:32 +01:00
parent 23214c0722
commit 4d55885166
1 changed files with 14 additions and 8 deletions
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22
_DOTween.Assembly/DOTween/Plugins/Core/PathCore/CatmullRomDecoder.cs
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@ -11,6 +11,12 @@ namespace DG.Tweening.Plugins.Core.PathCore
{
internal class CatmullRomDecoder : ABSPathDecoder
{
// Used for temporary operations
static readonly ControlPoint[] _PartialControlPs = new ControlPoint[2];
static readonly Vector3[] _PartialWps = new Vector3[2];
#region Methods
internal override void FinalizePath(Path p, Vector3[] wps, bool isClosedPath)
{
// Add starting and ending control points (uses only one vector per control point)
@ -85,21 +91,19 @@ namespace DG.Tweening.Plugins.Core.PathCore
int count = p.wps.Length;
float[] wpLengths = new float[count];
wpLengths[0] = 0;
ControlPoint[] partialControlPs = new ControlPoint[2];
Vector3[] partialWps = new Vector3[2];
for (int i = 1; i < count; ++i) {
// Create partial path
partialControlPs[0].a = i == 1 ? p.controlPoints[0].a : p.wps[i - 2];
partialWps[0] = p.wps[i - 1];
partialWps[1] = p.wps[i];
partialControlPs[1].a = i == count - 1 ? p.controlPoints[1].a : p.wps[i + 1];
_PartialControlPs[0].a = i == 1 ? p.controlPoints[0].a : p.wps[i - 2];
_PartialWps[0] = p.wps[i - 1];
_PartialWps[1] = p.wps[i];
_PartialControlPs[1].a = i == count - 1 ? p.controlPoints[1].a : p.wps[i + 1];
// Calculate length of partial path
float partialLen = 0;
float incr = 1f / subdivisions;
Vector3 prevP = GetPoint(0, partialWps, p, partialControlPs);
Vector3 prevP = GetPoint(0, _PartialWps, p, _PartialControlPs);
for (int c = 1; c < subdivisions + 1; ++c) {
float perc = incr * c;
Vector3 currP = GetPoint(perc, partialWps, p, partialControlPs);
Vector3 currP = GetPoint(perc, _PartialWps, p, _PartialControlPs);
partialLen += Vector3.Distance(currP, prevP);
prevP = currP;
}
@ -109,5 +113,7 @@ namespace DG.Tweening.Plugins.Core.PathCore
// Assign
p.wpLengths = wpLengths;
}
#endregion
}
}