/// <summary>
/// Transitions from the rotated state to face the camera
/// </summary>
/// <returns></returns>
private IEnumerator Transition()
{
var timer = 0f;
const float transitionTime = 4.0f;
while (timer < transitionTime)
{
timer += Time.deltaTime;
transform.localRotation = Quaternion.Slerp(transform.localRotation, Quaternion.Euler(360, 360, 360), timer / transitionTime);
BlackMaterial.SetFloat("_TransitionCompletion", Mathf.Min(1.0f, timer));
yield return(new WaitForEndOfFrame());
}
}
/// <summary>
/// Generates an AR marker and puts it in the scene
/// The marker starts rotated in the scene, so it can't be read at this stage
/// </summary>
public override void Generate()
{
Texture2D marker = GetMarker();
// Assume the marker is square
int markerRes = marker.width;
for (int x = 0; x < (MarkerResolutionInSquares + 2) * 2; x++)
{
for (int y = 0; y < (MarkerResolutionInSquares + 2) * 2; y++)
{
int xCoord = ((x * (markerRes / ((MarkerResolutionInSquares + 2) * 2))) + (markerRes / ((MarkerResolutionInSquares + 2) * 4)));
int yCoord = ((y * (markerRes / ((MarkerResolutionInSquares + 2) * 2))) + (markerRes / ((MarkerResolutionInSquares + 2) * 4)));
float col = marker.GetPixel(xCoord, yCoord).r;
var res = 1f;
var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
cube.layer = gameObject.layer;
var height = 0.0f;
cube.transform.parent = transform;
cube.transform.localPosition = new Vector3((float)xCoord / (float)markerRes - 0.5f, height, (float)yCoord / (float)markerRes - 0.5f);
var scale = 1.0f / ((MarkerResolutionInSquares + 2) * 2) / res;
scale += 0.001f;
cube.transform.localScale = new Vector3(scale, scale, scale);
Cubes.Add(cube);
if (col > 0.1f)
{
cube.GetComponent <Renderer>().enabled = false;
}
else
{
cube.GetComponent <Renderer>().sharedMaterial = BlackMaterial;
}
}
}
transform.localRotation = Quaternion.Euler(-40f, -65f, 55f);
BlackMaterial.SetFloat("_TransitionCompletion", 0.0f);
}
private void OnDestroy()
{
BlackMaterial.SetFloat("_TransitionCompletion", 0.0f);
}