//Algorithm 1 (hard coded red and green comparison vals)
/*void Update()
* {
* if (webcamTexture.didUpdateThisFrame)
* {
* webcamTexture.GetPixels32(data);
* int highred = 0;
* int highredx = 0;
* int highredy = 0;
*
* int highgreen = 0;
* int highgreenx = 0;
* int highgreeny = 0;
* for (int x = 0; x < (int)webcamTexture.width; x++)
* {
* for (int y = 0; y < (int)webcamTexture.height; y++)
* {
* if (data[x + y * webcamTexture.width].r > highred && data[x + y * webcamTexture.width].g < 50 && data[x + y * webcamTexture.width].b < 50)
* {
* highred = data[x + y * webcamTexture.width].r;
* highredx = x;
* highredy = y;
* }
* if (data[x + y * webcamTexture.width].g > highgreen && data[x + y * webcamTexture.width].r < 50 && data[x + y * webcamTexture.width].b < 50)
* {
* highgreen = data[x + y * webcamTexture.width].g;
* highgreenx = x;
* highgreeny = y;
* }
* }
* }
* _movered.changePosition(highredx, highredy);
*
* _movegreen.changePosition(highgreenx, highgreeny);
*
* }
* }*/
//---------------------------------------------------------------------------
//Algorithm 2 (euclidian color distance)
/*void Update()
* {
* if (webcamTexture.didUpdateThisFrame) {
* webcamTexture.GetPixels32(data);
*
* int redDiff = 255 * 3;
* int redx = 0;
* int redy = 0;
*
* int greenDiff = 255 * 3;
* int greenx = 0;
* int greeny = 0;
*
* for (int x = 0; x < (int)webcamTexture.width; x++)
* {
* for (int y = 0; y < (int)webcamTexture.height; y++)
* {
* int newRedDiff = colorDistance(data[x + y * webcamTexture.width].r, data[x + y * webcamTexture.width].g, data[x + y * webcamTexture.width].b, 255, 0, 0);
* if (newRedDiff < redDiff)
* {
* redDiff = newRedDiff;
* redx = x;
* redy = y;
* }
*
* int newGreenDiff = colorDistance(data[x + y * webcamTexture.width].r, data[x + y * webcamTexture.width].g, data[x + y * webcamTexture.width].b, 0, 255, 0);
* if (newGreenDiff < greenDiff)
* {
* greenDiff = newGreenDiff;
* greenx = x;
* greeny = y;
* }
* }
* }
*
* _movered.changePosition(redx, redy);
* _movegreen.changePosition(greenx, greeny);
*
* }
* }
*
* public static int colorDistance(int r1, int g1, int b1, int r2, int g2, int b2) {
* int diff = (int) (Mathf.Sqrt(Mathf.Pow(r1 - r2, 2) + Mathf.Pow(g1 - g2, 2) + Mathf.Pow(b1 - b2, 2)));
* return diff;
* }*/
//---------------------------------------------------------------------------
//Algorithm 3 (track at average place)
/*void Update()
* {
* if (webcamTexture.didUpdateThisFrame)
* {
* webcamTexture.GetPixels32(data);
*
* int redDiffThresh = 75;
* int avgRedx = 0;
* int avgRedy = 0;
*
* int greenDiffThresh = 75;
* int avgGreenx = 0;
* int avgGreeny = 0;
*
* int redPixelCount = 0;
* int greenPixelCount = 0;
*
* for (int x = 0; x < (int)webcamTexture.width; x++)
* {
* for (int y = 0; y < (int)webcamTexture.height; y++)
* {
* int newRedDiff = colorDistance(data[x + y * webcamTexture.width].r, data[x + y * webcamTexture.width].g, data[x + y * webcamTexture.width].b, 255, 0, 0);
* if (newRedDiff < redDiffThresh)
* {
* avgRedx += x;
* avgRedy += y;
* redPixelCount += 1;
* }
*
* int newGreenDiff = colorDistance(data[x + y * webcamTexture.width].r, data[x + y * webcamTexture.width].g, data[x + y * webcamTexture.width].b, 0, 255, 0);
* if (newGreenDiff < greenDiffThresh)
* {
* avgGreenx += x;
* avgGreeny += y;
* greenPixelCount += 1;
* }
* }
* }
*
* if (redPixelCount > 0) {
* _movered.changePosition(avgRedx / redPixelCount, avgRedy / redPixelCount);
* }
*
* if (greenPixelCount > 0) {
* _movegreen.changePosition(avgGreenx / greenPixelCount, avgGreeny / greenPixelCount);
* }
*
* }
* }
*
* public static int colorDistance(int r1, int g1, int b1, int r2, int g2, int b2)
* {
* int diff = (int)(Mathf.Sqrt(Mathf.Pow(r1 - r2, 2) + Mathf.Pow(g1 - g2, 2) + Mathf.Pow(b1 - b2, 2)));
* return diff;
* }*/
//---------------------------------------------------------------------------
//Algorithm 4 (hardcoded average tracking)
void Update()
{
if (webcamTexture.didUpdateThisFrame)
{
webcamTexture.GetPixels32(data);
int redThreshold = 25;
int avgRedx = 0;
int avgRedy = 0;
int greenThreshold = 25;
int avgGreenx = 0;
int avgGreeny = 0;
int redPixelCount = 0;
int greenPixelCount = 0;
for (int x = 0; x < (int)webcamTexture.width; x++)
{
for (int y = 0; y < (int)webcamTexture.height; y++)
{
if (data[x + y * webcamTexture.width].r > 255 - redThreshold)
{
avgRedx += x;
avgRedy += y;
redPixelCount += 1;
}
if (data[x + y * webcamTexture.width].g > 255 - greenThreshold)
{
avgGreenx += x;
avgGreeny += y;
greenPixelCount += 1;
}
}
}
if (redPixelCount > 0)
{
_movered.changePosition(avgRedx / redPixelCount, avgRedy / redPixelCount);
}
if (greenPixelCount > 0)
{
_movegreen.changePosition(avgGreenx / greenPixelCount, avgGreeny / greenPixelCount);
}
}
}
void Update()
{
webcamTexture.GetPixels32(data);
if (Input.GetKeyDown(KeyCode.R))
{
float widthFactor = (float)webcamTexture.width / (float)Screen.width;
float heightFactor = (float)webcamTexture.height / (float)Screen.height;
redR2 = data[(int)((widthFactor * Input.mousePosition.x) + (heightFactor * Input.mousePosition.y) * webcamTexture.width)].r;
redG2 = data[(int)((widthFactor * Input.mousePosition.x) + (heightFactor * Input.mousePosition.y) * webcamTexture.width)].g;
redB2 = data[(int)((widthFactor * Input.mousePosition.x) + (heightFactor * Input.mousePosition.y) * webcamTexture.width)].b;
redA2 = data[(int)((widthFactor * Input.mousePosition.x) + (heightFactor * Input.mousePosition.y) * webcamTexture.width)].a;
}
if (Input.GetKeyDown(KeyCode.G))
{
float widthFactor = (float)webcamTexture.width / (float)Screen.width;
float heightFactor = (float)webcamTexture.height / (float)Screen.height;
greenR2 = data[(int)((widthFactor * Input.mousePosition.x) + (heightFactor * Input.mousePosition.y) * webcamTexture.width)].r;
greenG2 = data[(int)((widthFactor * Input.mousePosition.x) + (heightFactor * Input.mousePosition.y) * webcamTexture.width)].g;
greenB2 = data[(int)((widthFactor * Input.mousePosition.x) + (heightFactor * Input.mousePosition.y) * webcamTexture.width)].b;
greenA2 = data[(int)((widthFactor * Input.mousePosition.x) + (heightFactor * Input.mousePosition.y) * webcamTexture.width)].a;
}
avgRedx = 0;
avgRedy = 0;
avgGreenx = 0;
avgGreeny = 0;
redPixelCount = 0;
greenPixelCount = 0;
for (int x = 0; x < (int)webcamTexture.width; x++)
{
for (int y = 0; y < (int)webcamTexture.height; y++)
{
if (Mathf.Abs(data[x + y * webcamTexture.width].r - redR2) < redThreshold && Mathf.Abs(data[x + y * webcamTexture.width].g - redG2) < redThreshold && Mathf.Abs(data[x + y * webcamTexture.width].b - redB2) < redThreshold && Mathf.Abs(data[x + y * webcamTexture.width].a - redA2) < redThreshold)
{
avgRedx += x;
avgRedy += y;
redPixelCount += 1;
}
if (Mathf.Abs(data[x + y * webcamTexture.width].r - greenR2) < greenThreshold && Mathf.Abs(data[x + y * webcamTexture.width].g - greenG2) < greenThreshold && Mathf.Abs(data[x + y * webcamTexture.width].b - greenB2) < greenThreshold && Mathf.Abs(data[x + y * webcamTexture.width].a - greenA2) < greenThreshold)
{
avgGreenx += x;
avgGreeny += y;
greenPixelCount += 1;
}
}
}
//Detect Shot
/*if (redPixelCount > 0 && greenPixelCount > 0)
* {
* Debug.Log("laser on");
* if ((int)(Mathf.Sqrt(Mathf.Pow((avgRedx / redPixelCount) - (avgGreenx / greenPixelCount), 2) + Mathf.Pow((avgRedy / redPixelCount) - (avgGreeny / greenPixelCount), 2))) < 100)
* {
* target.changePosition((int)(Random.value * 300), (int)(Random.value * 300));
* }
* }*/
if (redPixelCount > 0)
{
_movered.changePosition(avgRedx / redPixelCount, avgRedy / redPixelCount);
}
if (greenPixelCount > 0)
{
_movegreen.changePosition(avgGreenx / greenPixelCount, avgGreeny / greenPixelCount);
}
}
