/// <summary>
/// Uses linear interpolation to find the point between two <c>CubeCorner</c>
/// where the value change is equal to <c>isoValue</c>
/// </summary>
/// <param name="a">The first <c>CubeCorner</c></param>
/// <param name="b">The second <c>CubeCorner</c></param>
/// <param name="isoValue">The value which represents a surface.</param>
/// <returns>The linearly interpolated <c>Vector3</c></returns>
public static Vector3 InterpolateVerts(CubeCorner a, CubeCorner b, float isoValue)
{
float t = (isoValue - a.value) / (b.value - a.value);
t = Mathf.Clamp01(t);
return(a.position + t * (b.position - a.position));
}
public List <CubeCorner> GetAdjacent()
{
var result = new List <CubeCorner>();
for (int i = 0; i < 3; i++)
{
CubeCorner offset = _Adjacent[i + 3 * (int)_direction];
result.Add(new CubeCorner(_hex + offset._hex, offset._direction));
}
return(result);
}
public List <CubeCorner> GetCorners()
{
var result = new List <CubeCorner>(6);
for (int i = 0; i < 6; i++)
{
CubeCorner offset = _Corners[i];
result.Add(new CubeCorner(this + offset.hex, offset.direction));
}
return(result);
}
public CubeTile(TileType pTileType, Coord pCPos, float pSize, Vector3 pWPos) :
base(pTileType, pCPos, pSize, pWPos)
{
height = size;
width = size;
corners[0] = new CubeCorner(this, 0, new Vector3(wPos.x - size / 2, wPos.y, wPos.z + size / 2));
corners[1] = new CubeCorner(this, 1, new Vector3(wPos.x + size / 2, wPos.y, wPos.z + size / 2));
corners[2] = new CubeCorner(this, 2, new Vector3(wPos.x + size / 2, wPos.y, wPos.z - size / 2));
corners[3] = new CubeCorner(this, 3, new Vector3(wPos.x - size / 2, wPos.y, wPos.z - size / 2));
}
public override bool Equals(object obj)
{
if (obj == null || GetType() != obj.GetType())
{
return(false);
}
else
{
CubeCorner b = (CubeCorner)obj;
return(this == b);
}
}
void Start()
{
/*
- We set the empty texture to the inputTex (this might create a copy by reference problem)
- We set the renderer of the gameobject this script is attached to, to the texture (input texture)
- We set the pix array of Colors to the texture of the texture (input texture)
*/
texture = new Texture2D (inputTex.width, inputTex.height);
Color[,] image = PreProcessing.Instance.GetPixels2D (inputTex);
image = PreProcessing.Instance.Rgb2greyScale (image);
image = PreProcessing.Instance.simpleBrightness (image, -30);
image = PreProcessing.Instance.simpleContrast (image, 1.3f);
image = PreProcessing.Instance.Rank (image, 3, 1);
image = PreProcessing.Instance.Threshold (image, 0.8f);
//PreProcessing.Instance.printSample (image, 300,50,10);
//image = PreProcessing.Instance.Dilate (image);
//image = PreProcessing.Instance.Dilate (image);
//image = PreProcessing.Instance.Dilate (image);
PreProcessing.Instance.SetPixels2D (image, texture);
this.GetComponent<Renderer> ().material.mainTexture = texture;
pix = texture.GetPixels ();
/*
- Both of our 2D arrays of integers take the height and width of the image pixels
- The array of tags gets 10 pixels worth of padding, otherwise it will go out of bounds later
*/
positionValue = new int[texture.width, texture.height];
tags = new int[texture.width + 1, texture.height + 1];
/*
- We loop through the width and height of the image
- We set the position values to the greyscale of the image, 0-255
- We set all tags to 0
*/
for (int i = 1; i < texture.width; i++) {
for (int j = 1; j < texture.height; j++) {
positionValue [i, j] = (int)(pix [i + (pix.Length / texture.height * j)].grayscale * 255);
tags [i, j] = 0;
/*
- If a pixel is not white (some thresholding has to be done before this)
*/
if (positionValue [i, j] < 255) {
/*
- We loop through a 3*3 kernel, which is applied to the pixel which was not white
*/
for (int ky=-1; ky <= 1; ky++) {
for (int kx=-1; kx <= 1; kx++) {
/*
- If any of the 9 pixels from the kernel has a tag
*/
if (tags [i + ky, j + kx] != 0) {
/*
- We then tag our current non-white pixel with the same tag
*/
tags [i, j] = tags [i + ky, j + kx];
}
}
}
/*
- If none of the neighbours has a tag, we create a new one by incrementing tagCheck
- And we then tag our non-white pixel with the new tag
*/
if (tags [i, j] == 0) {
tags [i, j] = tagCheck;
tagCheck++;
}
}
}
}
/*
- We set an array of CubeCorners to the size of TagCheck, which is the total amount of objects
- We set the values of all corners to their theoretical maximum value, either 0 or the size of the input image
*/
cubecorners = new CubeCorner[tagCheck];
for (int k = 0; k < tagCheck; k++) {
cubecorners[k] = new CubeCorner();
}
for (int k = 0; k < tagCheck; k++) {
cubecorners [k].xmin = texture.width;
cubecorners [k].xmax = 0;
cubecorners [k].ymin = texture.height;
cubecorners [k].ymax = 0;
}
/*
- Loop through all the pixels
- Loop through the cube-objects
*/
for (int i = 1; i < texture.width; i++) {
for (int j = 1; j < texture.height; j++) {
for (int k = 1; k < cubecorners.Length; k++) {
/*
- I ask - If there is something tagged as k (0 -> amount of objects),
- then set the corresponding cubecorner (k) values:
- if the i or j is lower or higher than the min or max of the object
- This will create values for all four corner of a a rectangle of any detected object
- Ready to be created in to a cube later on
*/
if (tags [i, j] == k && i < cubecorners [k].xmin) {
cubecorners [k].xmin = i;
}
if (tags [i, j] == k && i > cubecorners [k].xmax) {
cubecorners [k].xmax = i;
}
if (tags [i, j] == k && j < cubecorners [k].ymin) {
cubecorners [k].ymin = j;
}
if (tags [i, j] == k && j > cubecorners [k].ymax) {
cubecorners [k].ymax = j;
}
}
}
}
/*for (int i = 1; i < texture.width; i++) {
for (int j = 1; j < texture.height; j++) {
for (int k = 1; k < cubecorners.Length; k++) {
}
if (tags [i, j] == k && j < cubecorners [k].ymin) {
cubecorners [k].ymin = j;
}
if (tags [i, j] == k && j > cubecorners [k].ymax) {
cubecorners [k].ymax = j;
}
}
}
}*/
/*
*This is a test
*to check the numbers of all the cubes
*/
for (int k = 1; k < cubecorners.Length; k++) {
print ("Cube " + k + " xmin value is: " + cubecorners [k].xmin);
print ("Cube " + k + " xmax value is: " + cubecorners [k].xmax);
print ("Cube " + k + " ymin value is: " + cubecorners [k].ymin);
print ("Cube " + k + " ymax value is: " + cubecorners [k].ymax);
//starting to create cubes
GameObject cube = GameObject.CreatePrimitive (PrimitiveType.Cube);
cube.transform.position = new Vector3 ((cubecorners [k].xmax + cubecorners [k].xmin) / 2, 0, (cubecorners [k].ymax + cubecorners [k].ymin) / 2);
cube.transform.localScale = new Vector3 (cubecorners [k].xmax - cubecorners [k].xmin, 1, cubecorners [k].ymax - cubecorners [k].ymin);
cube.AddComponent<Rigidbody> ().useGravity = false;
cube.GetComponent<Rigidbody> ().isKinematic = true;
Color newColor = new Color ();
newColor = new Color (Random.value, Random.value, Random.value, 1.0f);
cube.GetComponent<Renderer> ().material.color = newColor; //Will give cubes color after merging
cube.tag = "Ground";
}
}
