76 lines
2.4 KiB
C#
76 lines
2.4 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class GPSScript : MonoBehaviour
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{
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private Transform earth;
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private Transform nose;
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private Transform shuttle;
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private Transform positionTest;
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private Matrix4x4 earthLocalToWorldInverse;
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private string printString;
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private Vector3 posOnEarth = new Vector3();
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// Start is called before the first frame update
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void Start()
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{
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earth = GameObject.Find("EarthTarget").transform;
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nose = GameObject.Find("NoseQuad").transform;
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shuttle = GameObject.Find("ShuttleTarget").transform;
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positionTest = GameObject.Find("PositionTest").transform;
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}
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// Update is called once per frame
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void Update()
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{
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printString = "";
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/*
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Possible solution. Under the assumption we hold the
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camera steadily, the earth stuff be done in the
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Start() function.
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This should be correct, according to slides.
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*/
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var shuttleLocalToWorld = shuttle.localToWorldMatrix;
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var earthWorldToLocal = Matrix4x4.Inverse(Matrix4x4.TRS(earth.position, earth.rotation, Vector3.one));
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var transMatrix = earthWorldToLocal * shuttleLocalToWorld;
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posOnEarth = transMatrix.MultiplyPoint3x4(nose.localPosition);
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printString += posOnEarth.ToString("F4") + "\n";
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compareToNose(posOnEarth);
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}
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void compareToNose(Vector3 nosePosition) {
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print($"LossyScale: {earth.lossyScale}");
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//var radius = new Vector2(earth.lossyScale.x, earth.lossyScale.z).magnitude / 2;
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var radius = earth.lossyScale.magnitude / 4;
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//var radius = (new Vector2(earth.lossyScale.x, earth.lossyScale.z)).magnitude;
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print($"Radius: {radius}");
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var d = new Vector2(nosePosition.x, nosePosition.z).magnitude;
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print($"D: {d}");
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if (d <= radius && nosePosition.y <= 4) {
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print("Within");
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if (nosePosition.z >= 0) {
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printString += "North";
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} else {
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printString += "South";
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}
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} else {
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printString += "Outside";
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}
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}
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void OnGUI()
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{
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GUI.color = Color.white;
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GUI.Box(new Rect(10, 30, 200, 40), printString);
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}
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}
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