static IEnumerator FadeNow(FadeParams p)
{
Image go = p.image;
Text t = p.txt;
COL c0 = p.c0, c1 = p.c1;
float duration = p.duration;
//start colours. 0 to 1.0
float r = c0.r / 255.0f, g = c0.g / 255.0f, b = c0.b / 255.0f, a = c0.a / 255.0f;
float dr, dg, db, da; //deltas:0 to 1.0
dr = (c1.r - c0.r) / 255.0f;
dg = (c1.g - c0.g) / 255.0f;
db = (c1.b - c0.b) / 255.0f;
da = (c1.a - c0.a) / 255.0f;
Color col = new Color();
//print ("col-start");
float timestart = Time.time;
float timeend = timestart + duration;
float timecur, percent;
while (true)
{
timecur = Time.time;
if (timecur > timeend)
{
break;
}
percent = (timecur - timestart) / duration;
col.r = Mathf.Clamp(r + percent * dr, 0.0f, 1.0f);
col.g = Mathf.Clamp(g + percent * dg, 0.0f, 1.0f);
col.b = Mathf.Clamp(b + percent * db, 0.0f, 1.0f);
col.a = Mathf.Clamp(a + percent * da, 0.0f, 1.0f);
if (go != null)
{
go.color = col;
}
else
{
t.color = col;
}
yield return(new WaitForSeconds(0.01f));
}
//final fix bcos time might have elapsed and fade didnt complete
if (go != null)
{
go.color = c1.toColor();
}
if (t != null)
{
t.color = c1.toColor();
}
//print ("col-end" + (Time.time - timestart));
}