living-together/source/Behavior/CentralCluster.ts

96 lines
3.2 KiB
TypeScript

import { Behavior } from "@Model/Behavior";
import { Group } from "@Model/Group";
import { Individual } from "@Model/Individual";
import { Model } from "@Model/Model";
type ICentralClusterBehaviorParameter = {
cluster: "CLG",
strength: "number",
range: "number"
}
type ICentralClusterBehaviorEvent = {}
class CentralCluster extends Behavior<ICentralClusterBehaviorParameter, ICentralClusterBehaviorEvent> {
public override behaviorId: string = "CentralCluster";
public override behaviorName: string = "$Title";
public override iconName: string = "ZoomToFit";
public override describe: string = "$Intro";
public override category: string = "$Interactive";
public override parameterOption = {
cluster: { name: "$Cluster", type: "CLG" },
strength: { type: "number", name: "$Strength", defaultValue: 1, numberMin: 0, numberStep: .1 },
range: { type: "number", name: "$Range", defaultValue: 4, numberMin: 0, numberStep: .1 }
};
public effect = (individual: Individual, group: Group, model: Model, t: number): void => {
let findCount = 0;
let centerPos: number[] = [0, 0, 0];
for (let i = 0; i < this.parameter.cluster.objects.length; i++) {
const targetGroup = this.parameter.cluster.objects[i];
targetGroup.individuals.forEach((targetIndividual) => {
// 排除自己
if (targetIndividual === individual) return;
let dis = targetIndividual.distanceTo(individual);
if (dis <= this.parameter.range) {
centerPos[0] += targetIndividual.position[0];
centerPos[1] += targetIndividual.position[1];
centerPos[2] += targetIndividual.position[2];
findCount ++;
}
});
}
if (findCount > 0) {
let dirX = centerPos[0] / findCount - individual.position[0];
let dirY = centerPos[1] / findCount - individual.position[1];
let dirZ = centerPos[2] / findCount - individual.position[2];
let length = individual.vectorLength(dirX, dirY, dirZ);
if (length > 0) {
individual.applyForce(
dirX * this.parameter.strength / length,
dirY * this.parameter.strength / length,
dirZ * this.parameter.strength / length
);
}
}
}
public override terms: Record<string, Record<string, string>> = {
"$Title": {
"ZH_CN": "中心结群",
"EN_US": "Central cluster"
},
"$Intro": {
"ZH_CN": "个体将按照视野范围内目标方向结群对象个体的几何中心移动",
"EN_US": "The individual will move according to the geometric center of the grouped object individual in the target direction within the field of view"
},
"$Cluster": {
"ZH_CN": "中心结群对象",
"EN_US": "Central clustering object"
},
"$Strength": {
"ZH_CN": "结群强度",
"EN_US": "Clustering strength"
},
"$Range": {
"ZH_CN": "视野范围",
"EN_US": "Field of vision"
}
};
}
export { CentralCluster };