//using System.Drawing;
using UnityEngine;
using UnityEngine.UI; 

public class HeatMapController : MonoBehaviour
{
    public Material heatMaterial; // 需要传递数据的材质

    public Transform[]Pos;

    [HideInInspector]
    private Vector4[] points = new Vector4[7];  // 存储6个点的数组，(x, y, z) = center, w = temperature

      [HideInInspector]
    private Vector4[] properties = new Vector4[7];  // 存储6个盒子大小的数组, (x,y) = boxsize

    public Slider slider;

    //public Texture2D hotspotShapeTexture; // 引用热点形状纹理


    private float tempture;

    void Start()
    {
        tempture=slider.value;
        // 初始化数据，这里是示例，你可以根据实际需求设置
        SetDataToMaterial();
        
    }
    public void SetDataToMaterial()
    {
        tempture=slider.value;

        tempture=Map(tempture,0,1,0.5f,2.3f);
        for (int i = 0; i < 7; i++)
        {
            RectTransform transform=Pos[i].GetComponent<RectTransform>();

            points[i] = new Vector4(Pos[i].position.x, Pos[i].position.y, tempture, 0);  // (x, y, z, temperature)
            properties[i] = new Vector4(transform.rect.width*1, transform.rect.height*1, 0.0f, 0.0f);  // (boxsize x, boxsize y, unused, unused)
        }

        // 将数据传递给 Shader
        heatMaterial.SetVectorArray("_Points", points);
        heatMaterial.SetVectorArray("_Properties", properties);
        
    }
    float Map(float value, float minSource, float maxSource, float minTarget, float maxTarget)
{
    return minTarget + (value - minSource) * (maxTarget - minTarget) / (maxSource - minSource);
}
}