void OnTriggerStay(Collider other)
{
// If this tile is tagged to mouse cursor and is not yet correctly placed
// We find out if the tile is correctly placed in the right orientation
if (!attached && !placed)
{
if (other.tag == "finalTile")
{
// Calcutate difference in x,y values to make sure we are close enough to the target
float xDiff = Mathf.Abs(other.transform.position.x - transform.position.x);
float yDiff = Mathf.Abs(other.transform.position.y - transform.position.y);
finalTileValues s = other.gameObject.GetComponent <finalTileValues>();
// check if placed at the right spot
if ((s.row == row) && (s.column == column) && (xDiff <= 1 && yDiff <= 1))
{
// check if the orientation is correct
Vector3 euler = transform.rotation.eulerAngles;
if (euler.z % 360 == 0)
{
transform.position = other.transform.position;
placed = true;
attached = false;
}
}
}
}
}
public void StartGame()
{
// get the gameObject of the main image to split up
GameObject go = GameObject.FindGameObjectWithTag("image");
image = go.GetComponent <SpriteRenderer>().sprite;
Transform temp, tile;
Color[] color;
Texture2D tex;
Sprite stemp;
float width = image.texture.width;
float height = image.texture.height;
int tileWidth = (int)(width / noOfColumns);
int tileHeight = (int)(height / noOfRows);
for (int i = 0; i < noOfRows; i++)
{
for (int j = 0; j < noOfColumns; j++)
{
// This specific number -3 + i*2 is the center of the 1st location of tile(bottomleft-most)
// 2 is the distance between tiles centers
tile = (Transform)Instantiate(spriteTransform, new Vector3(-3f + i * 2, -3f + j * 2, -2.5f), Quaternion.identity);
tile.gameObject.AddComponent <BoxCollider>();
finalTileValues s = tile.gameObject.AddComponent <finalTileValues>();
s.row = i;
s.column = j;
// finalTile is the tag for all correct final position of the tiles
tile.gameObject.tag = "finalTile";
}
}
float randomVal = 0;
float xOffset, yOffset;
Quaternion quat = new Quaternion(0.0f, 0.0f, 0.0f, 1.0f);
// create count of sprites and assign texture with equal sizes
for (int i = 0; i < noOfRows; i++)
{
for (int j = 0; j < noOfColumns; j++)
{
// set a random rotation
quat = quat * Quaternion.Euler(0f, 0f, 90 * Random.Range(-1, 2));
// set randomly -ve or +ve for xOffset and yOffset
randomVal = Random.Range(1.0f, 2.0f);
if (randomVal > 1.5)
{
randomVal = -1;
}
else
{
randomVal = 1;
}
xOffset = randomVal * Random.Range(8, 12);
// set randomly -ve or +ve for yOffset
randomVal = Random.Range(1.0f, 2.0f);
if (randomVal > 1.5)
{
randomVal = -1;
}
else
{
randomVal = 1;
}
yOffset = randomVal * Random.Range(2, 5);
// create a sprite from the prefab
temp = (Transform)Instantiate(spriteTransform, new Vector2(xOffset, yOffset), quat);
// get pixels from the image and split it up into equal parts
color = image.texture.GetPixels(i * tileWidth, j * tileHeight, tileWidth, tileHeight);
tex = new Texture2D(tileWidth, tileHeight);
tex.SetPixels(color);
tex.Apply();
stemp = Sprite.Create(tex, new Rect(0, 0, tileWidth, tileHeight), new Vector2(0.5f, 0.5f));
// update the extracted sprite
temp.gameObject.GetComponent <SpriteRenderer>().sprite = stemp;
temp.gameObject.name = "tile-" + i + "," + j;
temp.gameObject.AddComponent <tileInteraction>();
tileInteraction script = temp.gameObject.GetComponent <tileInteraction>();
temp.gameObject.tag = "tile";
script.row = i;
script.column = j;
}
}
// unset the sprite on the original image
SpriteRenderer renderer = go.GetComponent <SpriteRenderer>();
renderer.sprite = null;
}