Units, bloom, lighting, rotational

Assets/Unit.cs

@@ -0,0 +1,92 @@
+using System.Linq;
+using UnityEngine;
+
+public class Unit : MonoBehaviour
+{
+    private Planet planet;
+    private Vector2 planetaryVelocity; // X: rotational, Y: altitude
+    public float edgeWidth;
+    public Color fillColor = Color.white;
+    public Color edgeColor = Color.white;
+    public float Size;
+
+    void Start()
+    {
+        Render();
+
+        planet = GetComponentInParent<Planet>();
+        planetaryVelocity = new Vector2(0, 0)
+        {
+            x = (Random.value > 0.5f ? 1 : -1) * 32 * Random.Range(0.8f, 1.2f),
+        };
+
+        transform.position = planet.GetSurfacePosition(Random.Range(0, 360), 0.4f);
+
+    }
+
+    void Update()
+    {
+        transform.RotateAround(planet.transform.position, Vector3.forward, planetaryVelocity.x * Time.deltaTime);
+        transform.position = Vector2.MoveTowards(transform.position, planet.transform.position, planetaryVelocity.y * Time.deltaTime);
+    }
+
+    private void OnDestroy()
+    {
+        planet.UnitDestroyed(this);
+    }
+
+    public override int GetHashCode()
+    {
+        return gameObject.GetHashCode();
+    }
+
+    public void Render()
+    {
+        var meshFilter = gameObject.GetComponent<MeshFilter>();
+        var lineRenderer = gameObject.GetComponent<LineRenderer>();
+        var meshCollider = gameObject.GetComponent<MeshCollider>();
+        var meshRenderer = gameObject.GetComponent<MeshRenderer>();
+
+        lineRenderer.widthMultiplier = edgeWidth;
+        lineRenderer.positionCount = 0;
+        lineRenderer.useWorldSpace = false;
+        lineRenderer.loop = true;
+        lineRenderer.startColor = edgeColor;
+        lineRenderer.endColor = edgeColor;
+        lineRenderer.material = new Material(Shader.Find("Sprites/Default"));
+        meshRenderer.material = new Material(Shader.Find("Sprites/Default"));
+
+        // Unit is just a simple triangle
+        var vertices = new[]
+        {
+            new Vector2(0, 0),
+            new Vector2(0.5f, 1),
+            new Vector2(1, 0)
+        };
+
+        vertices = vertices.Select(v => v * Size / 100f).ToArray();
+
+        // Find all the triangles in the shape
+        var triangles = new Triangulator(vertices).Triangulate();
+
+        // Assign each vertex the fill color
+        var colors = Enumerable.Repeat(fillColor, vertices.Length).ToArray();
+
+        var mesh = new Mesh
+        {
+            name = "Triangle",
+            vertices = vertices.ToVector3(),
+            triangles = triangles,
+            colors = colors
+        };
+
+        mesh.RecalculateNormals();
+        mesh.RecalculateBounds();
+        mesh.RecalculateTangents();
+
+        meshCollider.sharedMesh = mesh;
+        meshFilter.mesh = mesh;
+        lineRenderer.positionCount = mesh.vertices.Length;
+        lineRenderer.SetPositions(mesh.vertices);
+    }
+}