var Math = Java.type("java.lang.Math");
/*function interact(e){
e.player.message(e.player.getRotation()+','+e.player.getPitch());
e.player.message(getLookSightToAnother(e.player,e.target).x+","+getLookSightToAnother(e.player,e.target).y)
e.player.message(getLookSightToAnother(e.player,e.target).getVector().getLookSight().x+","+getLookSightToAnother(e.player,e.target).getVector().getLookSight().y)
e.player.message(getLookSightToAnother(e.player,e.target).getVector().x+","+getLookSightToAnother(e.player,e.target).getVector().y+","+getLookSightToAnother(e.player,e.target).getVector().z)
e.player.message(canSeePlace(e.target,e.player,e.target.getRotation(),e.target.getPitch()))
}
*调试部分
*/
/**
* SamePos 作用相同的坐标，用于兼容1.7版本
* double x,y,z 坐标
*/
function SamePos(x,y,z){
this.x = x;
this.y = y;
this.z = z;
this.getX = function(){
return this.x;
};
this.getY = function(){
return this.y;
};
this.getZ = function(){
return this.z;
};
}
/**
* LookSight 视觉方向
* double x 横向视角，以z轴正方向为0，向x轴负方向渐增(0~360)
* double y 垂直视角，以水平方向为0，向y轴正方向渐减(-90~90)
*/
function LookSight(x,y){
this.x = x;
this.y = y;
this.getVector = function(){
var tempRX = Math.toRadians(this.x);
var tempRY = Math.toRadians(-this.y-90);
var rate = Math.sqrt(1-Math.cos(tempRY)*Math.cos(tempRY));
return (new LookSightVector(-Math.sin(tempRX)*rate,Math.cos(tempRY),Math.cos(tempRX)*rate));
}
}
/**
* LookSightVector 三维向量（以前进距离一为单位）
* double x,y,z 对于坐标轴的向量
*/
function LookSightVector(x,y,z){
this.x = (parseInt(x*10000))/10000;
this.y = (parseInt(y*10000))/10000;
this.z = (parseInt(z*10000))/10000;
this.getLookSight = function(){
return getLookSightToAnother(new SamePos(0,0,0),new SamePos(this.x*100000,this.y*100000,this.z*100000));
}
}
/**
* getLookSightToAnother 获取一个实体看向另一个实体的视觉角度
* SamePos/IEntity/IPos from 观察者
* SamePos/IEntity/IPos target 被观察者
* return LookSight 一个实体看向另一个实体的视觉角度
*/
function getLookSightToAnother(from,target){
var x1 = from.getX();
var y1 = from.getY();
var z1 = from.getZ();
var x2 = target.getX()-x1;
var y2 = target.getY()-y1;
var z2 = target.getZ()-z1;
var d = Math.sqrt(Math.abs(x2)*Math.abs(x2)+Math.abs(z2)*Math.abs(z2));
var xQuadrant = getQuadrant(x2,z2);
var yQuadrant = getQuadrant(z2,y2);
var x;
var y;
switch(xQuadrant){
case 1:
x = 270+Math.toDegrees(Math.asin(Math.abs(z2)/Math.sqrt(Math.abs(x2)*Math.abs(x2)+Math.abs(z2)*Math.abs(z2))));
break;
case 2:
x = 90-Math.toDegrees(Math.asin(Math.abs(z2)/Math.sqrt(Math.abs(x2)*Math.abs(x2)+Math.abs(z2)*Math.abs(z2))));
break;
case 3:
x = 90+Math.toDegrees(Math.asin(Math.abs(z2)/Math.sqrt(Math.abs(x2)*Math.abs(x2)+Math.abs(z2)*Math.abs(z2))));
break;
case 4:
x = 270-Math.toDegrees(Math.asin(Math.abs(z2)/Math.sqrt(Math.abs(x2)*Math.abs(x2)+Math.abs(z2)*Math.abs(z2))));
break;
case 5:
x = 0;
break;
case 6:
x = 90;
break;
case 7:
x = 180;
break;
case 8:
x = 270;
break;
case 9:
x = 0;
break;
}
switch(yQuadrant){
case 1:
y = -90+Math.toDegrees(Math.acos(Math.abs(y2)/Math.sqrt(Math.abs(d)*Math.abs(d)+Math.abs(y2)*Math.abs(y2))));
break;
case 2:
y = -90+Math.toDegrees(Math.acos(Math.abs(y2)/Math.sqrt(Math.abs(d)*Math.abs(d)+Math.abs(y2)*Math.abs(y2))));
break;
case 3:
y = 90-Math.toDegrees(Math.acos(Math.abs(y2)/Math.sqrt(Math.abs(d)*Math.abs(d)+Math.abs(y2)*Math.abs(y2))));
break;
case 4:
y = 90-Math.toDegrees(Math.acos(Math.abs(y2)/Math.sqrt(Math.abs(d)*Math.abs(d)+Math.abs(y2)*Math.abs(y2))));
break;
case 5:
y = -90;
break;
case 6:
y = 0;
break;
case 7:
y = 90;
break;
case 8:
y = 0;
break;
case 9:
y = 0;
break;
}
return new LookSight(x,y);
}
/**
* 获取坐标象限
* 1~4对应象限
* 5~8对应从y正半轴逆时针旋转的坐标轴
* 9对应原点
* ps:可以写的更简洁一些，只是我个人喜欢看这种排版
*/
function getQuadrant(x,y){
if(x>0&&y>0)
return 1;
if(x<0&&y>0)
return 2;
if(x<0&&y<0)
return 3;
if(x>0&&y<0)
return 4;
if(x==0){
if(y>0)
return 5;
if(y<0)
return 7;
}
if(y==0){
if(x<0)
return 6;
if(x>0)
return 8;
}
if(x==0&&y==0)
return 9;
return -1;
}
/**
* canSeePlace 从某处地方的视角能否看到另一处地方，建议配合canSeeEntity使用
* SamePos/IEntity/IPos from 观察者
* SamePos/IEntity/IPos target 被观察者
* float rotation 来自观察者的横视角
* float pitch 来自观察者的纵视角
* return Boolean 是否看得到
*/
function canSeePlace(from,target,rotation,pitch){
var toRotation = getLookSightToAnother(from,target).x;
var toPitch = getLookSightToAnother(from,target).y;
var xCan = false;
var yCan = false;
if(rotation < toRotation-75)
rotation += 360;
//*当视角范围过大，将rotation转换到第二周角
if(rotation > toRotation+75)
rotation -= 360;
//*当视角范围过小，将rotation转换到负角第一周
if(rotation <= toRotation+75&&rotation >= toRotation-75)
xCan = true;
if(pitch <= toPitch+60&&pitch >= toPitch-60)
yCan = true;
return (xCan&&yCan)? true:false;
}
发表于 2021-8-17 23:55:50