[Tutorial][BoneStudio]从零开始的MC特效(五 | BukkitRunnable与粒子特效) - Minecraft(我的世界)中文论坛

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@Override
public void run() {
// 用于检查玩家是否不在线的情况
if (player == null || !player.isOnline()) {
cancel();
}
Location playerLocation = player.getLocation();
// 转弧度制
double radians = Math.toRadians(degree);
// 这里我写得简单了一点，我们将玩家的坐标克隆之后直接进行x, y, z的变换
// 不难看出，我们这里是想建立一个 0.3 为半径的圆，作为我们想要实现的皇冠
Location playEffectLocation = playerLocation.clone().add(0.3 * Math.cos(radians), 2D, 0.3 * Math.sin(radians));
// 粒子播放，这里我使用了类库
ParticleEffect.REDSTONE.display(new ParticleEffect.OrdinaryColor(Color.ORANGE), playEffectLocation, 50);
// 我们只需要degree在0~360度内即可
if (degree >= 360) {
degree = 0;
} else {
// 这里其实就是修改了步长为20 degree
degree += 20;
}
}

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/**
* 王冠特效
*
* [url=home.php?mod=space&uid=1231151]@author[/url] Zoyn
*/
public class CrownEffect extends BukkitRunnable {
/**
* 玩家
*/
private Player player;
private double degree = 0;
public CrownEffect(Player player) {
this.player = player;
}
@Override
public void run() {
if (player == null || !player.isOnline()) {
cancel();
}
Location playerLocation = player.getLocation();
double radians = Math.toRadians(degree);
Location playEffectLocation = playerLocation.clone().add(0.3 * Math.cos(radians), 2D, 0.3 * Math.sin(radians));
ParticleEffect.REDSTONE.display(new ParticleEffect.OrdinaryColor(Color.ORANGE), playEffectLocation, 50);
if (degree >= 360) {
degree = 0;
} else {
degree += 20;
}
}
/**
* 开启特效的方法
*/
public void startEffect() {
runTaskTimer(主类的实例, 0L, 1L);
}
/**
* 关闭特效的方法
*/
public void stopEffect() {
cancel();
}
}

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@Override
public void run() {
// 依然还是要判断玩家
if (player == null || !player.isOnline()) {
cancel();
}
Location playerLocation = player.getLocation().add(0, 1D, 0);
double radians = Math.toRadians(degree);
double x = 半径 * Math.cos(radians);
double y = Math.sin(radians);
double z = 半径 * Math.sin(radians);
Location playEffectLocation = playerLocation.clone().add(x, y, z);
ParticleEffect.REDSTONE.display(new ParticleEffect.OrdinaryColor(Color.RED), playEffectLocation, 50);
if (degree >= 360) {
degree = 0;
} else {
degree += 10;
}
}

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// 会旋转的DNA
public class RotatableDNA extends BukkitRunnable {
// 原点
private Location location;
private float yaw = 0;
private double y = 0D;
public RotatableDNA(Location location) {
this.location = location.clone();
}
@Override
public void run() {
for (double degree = 0, angle = 180; degree < 480; degree += 5, angle += 5) {
// 第一条
double radians = Math.toRadians(degree);
double x = Math.cos(radians);
double z = Math.sin(radians);
Vector vector = VectorUtils.getVector(location, location.clone().add(x, y, z));
Vector rotatedVector = VectorUtils.rotateVector(vector, yaw, 0);
location.add(rotatedVector);
ParticleEffect.REDSTONE.display(new ParticleEffect.OrdinaryColor(Color.RED), location, 50);
location.subtract(rotatedVector);
// 第二条
double radians2 = Math.toRadians(angle);
double x2 = Math.cos(radians2);
double z2 = Math.sin(radians2);
Vector vector2 = VectorUtils.getVector(location, location.clone().add(x2, y, z2));
Vector rotatedVector2 = VectorUtils.rotateVector(vector2, yaw, 0);
location.add(rotatedVector2);
ParticleEffect.REDSTONE.display(new ParticleEffect.OrdinaryColor(Color.RED), location, 20);
location.subtract(rotatedVector2);
//中间连线
if (degree % 30 == 0) {
Location pointA = location.clone().add(rotatedVector);
Location pointB = location.clone().add(rotatedVector2);
EntityNBT.buildLine(pointA, pointB);
}
y += 0.1;
}
// 将yaw设定在0~360之间进行循环
if (yaw >= 360) {
yaw = 0;
} else {
yaw += 5;
}
y = 0;
}
public void startEffect() {
runTaskTimer(主类实例, 0L, 1L);
}
}

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