109 lines
2.8 KiB
TypeScript
109 lines
2.8 KiB
TypeScript
import { Behavior } from "@Model/Behavior";
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import { Group } from "@Model/Group";
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import { Individual } from "@Model/Individual";
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import { Model } from "@Model/Model";
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type IBrownianBehaviorParameter = {
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maxFrequency: "number",
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minFrequency: "number",
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maxStrength: "number",
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minStrength: "number"
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}
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type IBrownianBehaviorEvent = {}
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class Brownian extends Behavior<IBrownianBehaviorParameter, IBrownianBehaviorEvent> {
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public override behaviorId: string = "Brownian";
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public override behaviorName: string = "$Title";
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public override iconName: string = "Running";
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public override describe: string = "$Intro";
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public override category: string = "$Physics";
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public override parameterOption = {
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maxFrequency: {
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type: "number",
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name: "$Max.Frequency",
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defaultValue: 5,
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numberStep: .1,
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numberMin: 0
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},
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minFrequency: {
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type: "number",
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name: "$Min.Frequency",
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defaultValue: 0,
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numberStep: .1,
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numberMin: 0
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},
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maxStrength: {
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type: "number",
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name: "$Max.Strength",
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defaultValue: 10,
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numberStep: .01,
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numberMin: 0
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},
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minStrength: {
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type: "number",
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name: "$Min.Strength",
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defaultValue: 0,
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numberStep: .01,
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numberMin: 0
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}
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};
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public override terms: Record<string, Record<string, string>> = {
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"$Title": {
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"ZH_CN": "布朗运动",
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"EN_US": "Brownian motion"
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},
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"$Intro": {
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"ZH_CN": "一种无规则的随机运动",
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"EN_US": "An irregular random motion"
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},
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"$Max.Frequency": {
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"ZH_CN": "最大频率",
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"EN_US": "Maximum frequency"
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},
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"$Min.Frequency": {
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"ZH_CN": "最小频率",
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"EN_US": "Minimum frequency"
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},
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"$Max.Strength": {
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"ZH_CN": "最大强度",
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"EN_US": "Maximum strength"
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},
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"$Min.Strength": {
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"ZH_CN": "最小强度",
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"EN_US": "Minimum strength"
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}
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};
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public effect(individual: Individual, group: Group, model: Model, t: number): void {
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const {maxFrequency, minFrequency, maxStrength, minStrength} = this.parameter;
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let nextTime = individual.getData("Brownian.nextTime") ??
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minFrequency + Math.random() * (maxFrequency - minFrequency);
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let currentTime = individual.getData("Brownian.currentTime") ?? 0;
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currentTime += t;
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if (currentTime > nextTime) {
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individual.applyForce(
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minStrength + (Math.random() * 2 - 1) * (maxStrength - minStrength),
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minStrength + (Math.random() * 2 - 1) * (maxStrength - minStrength),
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minStrength + (Math.random() * 2 - 1) * (maxStrength - minStrength)
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);
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nextTime = minFrequency + Math.random() * (maxFrequency - minFrequency);
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currentTime = 0;
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}
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individual.setData("Brownian.nextTime", nextTime);
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individual.setData("Brownian.currentTime", currentTime);
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}
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}
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export { Brownian }; |