using UnityEngine;

namespace LandmassGeneration {
    public class MapDisplay : MonoBehaviour {

        public Renderer textureRenderer;

        public void DrawNoiseMap(float[,] noiseMap) {
            var width = noiseMap.GetLength(0);
            var height = noiseMap.GetLength(1);

            var texture = new Texture2D(width, height);

            var colorMap = new Color[width * height];
            for (int y = 0; y < height; y++) {
                for (int x = 0; x < width; x++) {
                    colorMap[y * width + x] = Color.Lerp(Color.black, Color.white, noiseMap[x, y]);
                }
            }
            
            texture.SetPixels(colorMap);
            texture.Apply();

            textureRenderer.sharedMaterial.mainTexture = texture;
            textureRenderer.transform.localScale = new Vector3(width, 1, height);
        }

    }
}