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1 | 1 | package top.zoyn.particlelib.pobject; |
2 | 2 |
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| 3 | +import com.google.common.collect.Lists; |
3 | 4 | import org.bukkit.Location; |
4 | 5 | import org.bukkit.scheduler.BukkitRunnable; |
5 | 6 | import org.bukkit.util.Vector; |
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8 | 9 |
|
9 | 10 | import java.util.ArrayList; |
10 | 11 | import java.util.List; |
| 12 | +import java.util.stream.Collectors; |
11 | 13 |
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12 | 14 | /** |
13 | 15 | * 表示一个多边形 |
@@ -67,8 +69,47 @@ public void setStep(double step) { |
67 | 69 |
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68 | 70 | @Override |
69 | 71 | public List<Location> calculateLocations() { |
70 | | - resetLocations(); |
71 | | - return locations; |
| 72 | + List<Location> points = Lists.newArrayList(); |
| 73 | + List<Location> temp = Lists.newArrayList(); |
| 74 | + |
| 75 | + for (double angle = 0; angle <= 360; angle += 360D / side) { |
| 76 | + double radians = Math.toRadians(angle); |
| 77 | + double x = Math.cos(radians); |
| 78 | + double z = Math.sin(radians); |
| 79 | + |
| 80 | + temp.add(getOrigin().clone().add(x, 0, z)); |
| 81 | + } |
| 82 | + for (int i = 0; i < temp.size(); i++) { |
| 83 | + if (i + 1 == temp.size()) { |
| 84 | + Vector vectorAB = temp.get(i).clone().subtract(temp.get(0)).toVector(); |
| 85 | + double vectorLength = vectorAB.length(); |
| 86 | + vectorAB.normalize(); |
| 87 | + for (double j = 0; j < vectorLength; j += step) { |
| 88 | + points.add(temp.get(0).clone().add(vectorAB.clone().multiply(j))); |
| 89 | + } |
| 90 | + break; |
| 91 | + } |
| 92 | + |
| 93 | + Vector vectorAB = temp.get(i + 1).clone().subtract(temp.get(i)).toVector(); |
| 94 | + double vectorLength = vectorAB.length(); |
| 95 | + vectorAB.normalize(); |
| 96 | + for (double j = 0; j < vectorLength; j += step) { |
| 97 | + points.add(temp.get(i).clone().add(vectorAB.clone().multiply(j))); |
| 98 | + } |
| 99 | + } |
| 100 | + // 做一个对 Matrix 和 Increment 的兼容 |
| 101 | + return points.stream().map(location -> { |
| 102 | + Location showLocation = location; |
| 103 | + if (hasMatrix()) { |
| 104 | + Vector v = new Vector(location.getX() - getOrigin().getX(), location.getY() - getOrigin().getY(), location.getZ() - getOrigin().getZ()); |
| 105 | + Vector changed = getMatrix().applyVector(v); |
| 106 | + |
| 107 | + showLocation = getOrigin().clone().add(changed); |
| 108 | + } |
| 109 | + |
| 110 | + showLocation.add(getIncrementX(), getIncrementY(), getIncrementZ()); |
| 111 | + return showLocation; |
| 112 | + }).collect(Collectors.toList()); |
72 | 113 | } |
73 | 114 |
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74 | 115 | @Override |
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