koobas.hobune.stream
help with a player moving in a grid with obstacles 2d
Hi. My player, a rabbit, should move with WASD in a grid. Below it is my code, sorry I put it all, but I want to be sure that in the end all will be fine. I'm new to C# and Unity. I know Java and C if you want to explain me something.
Here is a short description on what it does: randomly generating how many objects in the scene I need and storing their positions in two matrices(works); picking carrots(works); if in an adjacent position there is something according to the occupiedObstacles matrix, the rabbit should not move(but it does not move at all). Until I merged together two files(one with the generating, other with the control of the rabbit) the rabbit was moving(but it was acting strangely with obstacles; i chose to give up that way). However, here is a pastebin with the two files and a video with the rabbit acting weird(after I captured this video, i tried to change the radius of the box collider, still no succes
https://pastebin.com/NgqtWVEa https://youtu.be/10y4BDnhadQ I have to mention, the tiles have positions like x:0.48 y: -2.801942, maybe the problem comes from here?Blockquote
using System.Collections; using System.Collections.Generic; using UnityEngine;
public class PlayerController : MonoBehaviour { Vector3 pos;
float speed = 1.0f;
private Rigidbody2D rb;
[SerializeField] int requiredCarrots = 20;
[SerializeField] GameObject carrotPrefab = null;
[SerializeField] int requiredStones = 5;
[SerializeField] GameObject stonesPrefab = null;
[SerializeField] int requiredTrees= 5;
[SerializeField] GameObject treesPrefab = null;
[SerializeField] int requiredCaves = 5;
[SerializeField] GameObject cavesPrefab = null;
public bool[,] occupiedCarrots = new bool[10, 8]; // 2D array of bools to store if a position is occupied with a carrot
public bool[,] occupiedObstacles = new bool[10, 8];//... with an obstacle
void Start () {
pos = transform.position;
if (carrotPrefab == null || requiredCarrots > 10 * 8) { return; } // protect against some errors
if (stonesPrefab == null || requiredStones > 10 * 8) { return; }
if (treesPrefab == null || requiredTrees> 10 * 8) { return; }
if (cavesPrefab == null || requiredCaves > 10 * 8) { return; }
occupiedCarrots[0, 7] = true; // rabbit position (in reality it is -4.5, 3.5)
occupiedObstacles[0, 7]=true;
GenerateObjects(requiredCarrots,occupiedCarrots,carrotPrefab);
GenerateObjects(requiredStones,occupiedObstacles,stonesPrefab);
GenerateObjects(requiredTrees,occupiedObstacles,treesPrefab);
GenerateObjects(requiredCaves,occupiedObstacles,cavesPrefab);
}
void GenerateObjects(int numberRequired, bool[,] occupiedPositions, GameObject objectPrefab){
for (int i = 0; i < numberRequired; ++i) {
int x, y;
do {
x = UnityEngine.Random.Range (0, 10);
y = UnityEngine.Random.Range (0, 8);
} while (occupiedCarrots[x, y] || occupiedObstacles[x, y]);
if (!objectPrefab.Equals (carrotPrefab)) { // avoid cases when the rabbit is stuck at the very beginning
if (!(((x == 1 && y == 7) && occupiedPositions [0, 6].Equals (true)) ||
((x == 0 && y == 6) && occupiedPositions [1, 7].Equals (true))))
occupiedPositions [x, y] = true;
Instantiate (objectPrefab, new Vector3 (x - 4.5f, y - 3.5f, 0), UnityEngine.Quaternion.identity);
} else {
occupiedPositions [x, y] = true;
Instantiate (objectPrefab, new Vector3 (x - 4.5f, y - 3.5f, 0), UnityEngine.Quaternion.identity);
}
}
}
void OnTriggerEnter2D(Collider2D other)
{
if(other.gameObject.CompareTag("Pickup"))
{
Destroy (other.gameObject);
}
}
void FixedUpdate () {
if(Input.GetKey(KeyCode.A) && transform.position == pos && occupiedObstacles[(int)pos.x-1,(int)pos.y].Equals(false)) {
transform.Translate(-1.0f, 0.0f, 0.0f);
transform.position = Vector3.MoveTowards(transform.position, pos, Time.deltaTime * 2*speed);
}
if (Input.GetKey (KeyCode.D) && transform.position == pos && occupiedObstacles[(int)pos.x+1,(int)pos.y].Equals(false)) {
transform.Translate (1.0f, 0.0f, 0.0f);
transform.position = Vector3.MoveTowards (transform.position, pos, Time.deltaTime * 2 * speed);
}
if (Input.GetKey (KeyCode.W) && transform.position == pos && occupiedObstacles[(int)pos.x,(int)pos.y+1].Equals(false)) {
transform.Translate (0.0f, 1.0f, 0.0f);
transform.position = Vector3.MoveTowards (transform.position, pos, Time.deltaTime * speed);
}
if (Input.GetKey (KeyCode.S) && transform.position == pos && occupiedObstacles[(int)pos.x,(int)pos.y-1].Equals(false)) {
transform.Translate (0.0f, -1.0f, 0.0f);
transform.position = Vector3.MoveTowards (transform.position, pos, Time.deltaTime * speed);
}
}
void Update(){
pos = transform.position;
}
}
