init

Assets/Scripts/ObjectPlacer.cs

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+using System.Collections;
+using System.Collections.Generic;
+using TMPro;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+using UnityEngine.UI;
+
+public class ObjectPlacer : MonoBehaviour{
+
+	[SerializeField] LayerMask groundMask;
+	[SerializeField] LayerMask obstacleMask;
+	[SerializeField] LayerMask pieceMask;
+	[SerializeField] Camera cam;
+
+	[SerializeField] GameObject cube;
+	PlacerObject placerObject;
+	[SerializeField, Range(0f, 10f)] float rotationMultiplier = 5f;
+	[SerializeField, Range(0f, 2f)] float pieceHeight = 1.5f;
+	float cubeRotation;
+
+	[SerializeField] GameObject piece;
+
+	bool isMouseOverButton;
+
+	[Space]
+	[SerializeField] Canvas canvas;
+	[SerializeField] TMP_Text remainingText;
+	[SerializeField, Range(0f, 20f)] int piecesAvaiable;
+	int piecesRemaining;
+
+	public bool playing;
+	public static bool canvasHidden;
+	
+	// Start is called before the first frame update
+	void Start(){
+		placerObject = cube.GetComponent<PlacerObject>();
+		piecesRemaining = piecesAvaiable;
+		if (canvasHidden)
+			canvas.gameObject.SetActive(false);
+	}
+
+	// Update is called once per frame
+	void Update(){
+		Ray ray = cam.ScreenPointToRay(Input.mousePosition);
+
+		if(Physics.Raycast(ray, out RaycastHit hit, 100f, groundMask) && !Physics.Raycast(ray, 100f, obstacleMask) && !isMouseOverButton && !playing){
+			cube.SetActive(true);
+			cube.transform.position = hit.point + Vector3.up * pieceHeight / 2;
+		}else{
+			cube.SetActive(false);
+		}
+
+		cubeRotation += Input.mouseScrollDelta.y * rotationMultiplier;
+		cube.transform.rotation = Quaternion.Euler(0f, cubeRotation, 0f);
+
+		if(Input.GetMouseButtonDown(1) && Physics.Raycast(ray, out RaycastHit pieceHit, 100f, pieceMask) && !Physics.Raycast(ray, 100f, obstacleMask) && !isMouseOverButton && !playing){
+			Destroy(pieceHit.transform.gameObject);
+			piecesRemaining++;
+		}
+		if (Input.GetMouseButtonDown(0) && piecesRemaining > 0 && placerObject.CanPlace && cube.activeSelf && !isMouseOverButton && !playing){
+			piecesRemaining--;
+			Instantiate(piece, cube.transform.position, Quaternion.Euler(0f, cubeRotation, 0f));
+		}
+
+		if (Input.GetKeyDown(KeyCode.Escape)){
+			canvasHidden = !canvasHidden;
+			canvas.gameObject.SetActive(!canvas.gameObject.activeSelf);
+			isMouseOverButton = false;
+		}
+
+		remainingText.text = "LEFT " + piecesRemaining;
+
+		if (Input.GetKeyDown(KeyCode.R)){
+			Restart();
+		}
+	}
+
+	public void Restart(){
+		SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex);
+	}
+
+	public void MouseOverUI(bool over){
+		isMouseOverButton = over;
+	}
+}