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ShinyThings.cs 3.03 KiB
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  • using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;
    
    public class ShinyThings : MonoBehaviour
    {
    
        public WorldCursor Cursor;
        //Attributes for Highlighting of Facts when Mouse-Over
        private string selectableTag = "Selectable";
        private Transform lastFactSelection;
    
        //Attributes for simulating the drawing of a line
        public LineRenderer lineRenderer;
        private List<Vector3> linePositions = new List<Vector3>();
        private bool lineRendererActivated;
        //Visual helpers
    
        // Start is called before the first frame update
        void Start()
        {
            if(Cursor == null)Cursor = GetComponent<WorldCursor>();
        }
    
        // Update is called once per frame
        void Update()
        {
            //SELECTION-HIGHLIGHTING-PART
            //Check if a Fact was Hit
    
            RaycastHit Hit = Cursor.Hit;  
    
            Transform selection = Hit.transform;
    
            //Set the last Fact unselected
            if (this.lastFactSelection != null)
            {
                //Invoke the EndHighlightEvent that will be handled in FactSpawner
                CommunicationEvents.EndHighlightEvent.Invoke(this.lastFactSelection);
                this.lastFactSelection = null;
            }
    
            //Set the Fact that was Hit as selected
            if (selection.CompareTag(selectableTag))
            {
                //Invoke the HighlightEvent that will be handled in FactSpawner
                this.lastFactSelection = selection;
                CommunicationEvents.HighlightEvent.Invoke(selection);
            }
            //SELECTION-HIGHLIGHTING-PART-END
        }
    
        public void OnMouseOverFactEnd(Transform selection)
        {
            Renderer selectionRenderer;
    
            if (selection != null)
            {
                selectionRenderer = selection.GetComponent<Renderer>();
                if (selectionRenderer != null)
                {
                    //Set the Material of the fact back to default
                    selectionRenderer.material = defaultMaterial;
                }
            }
        }
    
        public void OnMouseOverFact(Transform selection)
        {
            Renderer selectionRenderer;
    
            selectionRenderer = selection.GetComponent<Renderer>();
            if (selectionRenderer != null)
            {
                //Set the Material of the Fact, where the mouse is over, to a special one
                selectionRenderer.material = highlightMaterial;
            }
        }
    
    
        void DeactivateLineRenderer()
        {
            //Reset the first points
            this.lineRenderer.SetPosition(0, Vector3.zero);
            this.lineRenderer.SetPosition(1, Vector3.zero);
            if (linePositions.Count > 0)
                this.linePositions.Clear();
            this.lineRendererActivated = false;
        }
        //Updates the second-point of the Line when First Point was selected in LineMode
        void UpdateLineRenderer(Vector3 currentPosition)
        {
            if (this.ActiveToolMode == ToolMode.CreateLineMode)
            {
                if (this.lineRendererActivated)
                {
                    this.linePositions[1] = currentPosition;
                    this.lineRenderer.SetPosition(1, this.linePositions[1]);
                }
            }
        }
    
    }