2025-02-27 11:19:50 +01:00

115 lines
4.1 KiB
C#

#if UNITY_5_3_OR_NEWER
using System.Collections;
using UnityEngine;
using UnityEngine.Networking;
namespace RoboidControl.Unity {
/// <summary>
/// The representation of a Thing in Unity
/// </summary>
public class Thing : MonoBehaviour {
/// <summary>
/// The core C# thing
/// </summary>
[field: SerializeField]
public RoboidControl.Thing core { get; set; }
private string modelUrl = null;
/// <summary>
/// Set the core C# thing
/// </summary>
protected void SetCoreThing(RoboidControl.Thing thing) {
core = thing;
core.component = this;
SiteServer siteServer = FindAnyObjectByType<SiteServer>();
if (siteServer == null) {
Debug.LogWarning("No site server found");
return;
}
siteServer.site.Add(thing);
}
public static Thing Create(RoboidControl.Thing core) {
// Debug.Log("Creating new Unity thing");
GameObject gameObj = string.IsNullOrEmpty(core.name) ?
new("Thing") :
new(core.name);
Thing component = gameObj.AddComponent<Thing>();
component.core = core;
if (core.parent != null && core.parent.component != null)
gameObj.transform.SetParent(core.parent.component.transform, false);
if (core.position != null)
gameObj.transform.localPosition = core.position.ToVector3();
return component;
}
/// <summary>
/// Update the Unity representation
/// </summary>
protected virtual void Update() {
if (core == null)
return;
if (core.linearVelocity != null) {
Vector3 direction = Quaternion.AngleAxis(core.linearVelocity.direction.horizontal, Vector3.up) * Vector3.forward;
this.transform.Translate(core.linearVelocity.distance * Time.deltaTime * direction, Space.Self);
}
if (core.angularVelocity != null) {
Vector3 angularVelocity = core.angularVelocity.ToVector3();
this.transform.localRotation *= Quaternion.Euler(angularVelocity * Time.deltaTime);
}
if (core.hasPosition)
this.transform.localPosition = core.position.ToVector3();
//this.transform.localRotation = core.orientation.ToQuaternion();
if (!string.IsNullOrEmpty(core.modelUrl) && this.modelUrl == null) {
string extension = core.modelUrl.Substring(core.modelUrl.LastIndexOf("."));
if (extension == ".jpg" || extension == ".png") {
StartCoroutine(LoadJPG());
}
this.modelUrl = core.modelUrl;
}
}
private IEnumerator LoadJPG() {
UnityWebRequest request = UnityWebRequestTexture.GetTexture(core.modelUrl);
yield return request.SendWebRequest();
if (request.result == UnityWebRequest.Result.Success) {
Texture2D texture = ((DownloadHandlerTexture)request.downloadHandler).texture;
float aspectRatio = (float)texture.width / (float)texture.height;
GameObject modelQuad = GameObject.CreatePrimitive(PrimitiveType.Quad);
Collider c = modelQuad.GetComponent<Collider>();
c.enabled = false;
Destroy(c);
modelQuad.transform.SetParent(this.transform, false);
modelQuad.transform.localEulerAngles = new(90, -90, 0);
modelQuad.transform.localScale = new Vector3(aspectRatio, 1, 1) / 5;
if (this.name == "Ant")
modelQuad.transform.localScale *= 2;
Material quadMaterial = new(Shader.Find("Unlit/Transparent")) {
mainTexture = texture
};
modelQuad.GetComponent<Renderer>().material = quadMaterial;
}
else {
Debug.LogError("Failed to load image: " + request.error);
}
}
}
}
#endif