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November 28, 2017 17:24
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Draw Controller - Version 2
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| public class DrawController : MonoBehaviour | |
| { | |
| public DrawMode Mode = DrawMode.Rectangle; | |
| public DrawShape RectanglePrefab; | |
| public DrawShape CirclePrefab; | |
| public DrawShape TrianglePrefab; | |
| // Associates a draw mode to the prefab to instantiate | |
| private Dictionary<DrawMode, DrawShape> _drawModeToPrefab; | |
| private readonly List<DrawShape> _allShapes = new List<DrawShape>(); | |
| private DrawShape CurrentShapeToDraw { get; set; } | |
| private bool IsDrawingShape { get; set; } | |
| private void Awake() | |
| { | |
| _drawModeToPrefab = new Dictionary<DrawMode, DrawShape> { | |
| {DrawMode.Rectangle, RectanglePrefab}, | |
| {DrawMode.Circle, CirclePrefab}, | |
| {DrawMode.Triangle, TrianglePrefab} | |
| }; | |
| } | |
| private void Update() | |
| { | |
| // ... | |
| } | |
| private void AddShapeVertex(Vector2 position) | |
| { | |
| if (CurrentShapeToDraw == null) { | |
| // No current shape -> instantiate a new shape and add two vertices: | |
| // one for the initial position, and the other for the current cursor | |
| var prefab = _drawModeToPrefab[Mode]; | |
| CurrentShapeToDraw = Instantiate(prefab); | |
| CurrentShapeToDraw.name = "Shape " + _allShapes.Count; | |
| // ... | |
| _allShapes.Add(CurrentShapeToDraw); | |
| } else { | |
| // ... | |
| } | |
| } | |
| private void UpdateShapeVertex(Vector2 position) | |
| { | |
| // ... | |
| } | |
| /// <summary> | |
| /// Controlled via Unity GUI button | |
| /// </summary> | |
| public void SetDrawMode(string mode) | |
| { | |
| Mode = (DrawMode) Enum.Parse(typeof(DrawMode), mode); | |
| } | |
| /// <summary> | |
| /// The types of shapes that can be drawn, useful for | |
| /// selecting shapes to draw | |
| /// </summary> | |
| public enum DrawMode | |
| { | |
| Rectangle, | |
| Circle, | |
| Triangle | |
| } | |
| } |
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