public static Coord NudgeCoordXZForYAxisAngleAndRadius(int yAngleDegrees, int radius)
{
float x = (CrudeTrig.Sin(yAngleDegrees)); // x uses Sin.
float z = (CrudeTrig.Cos(yAngleDegrees));
//how close to a 45 degrees "like" (i.e. 45, 135, 225, 315) angle is yAngDegrees?
int ang45 = yAngleDegrees % 90 - 45;
ang45 *= ang45 < 0 ? -1 : 1;
ang45 = 45 - ang45;
//to get the "radius point" on the square
//stretch radius proportional to lerp 1<-->SQRT2 ang45
// CONSIDER: more efficient: radius += .4142 * (ang45/45f) ?
float radStretch = (float)radius * Mathf.Lerp(1f, SQROOT_TWO, (float)(ang45 / 45.0f));
x *= radStretch;
z *= radStretch;
//Wrangle inaccuracies
if (x < 0)
{
x -= .5f;
x = x < -(float)radius ? -(float)radius : x;
}
else
{
x += .5f;
x = x > (float)radius ? (float)radius : x;
}
if (z < 0)
{
z -= .5f;
z = z < -(float)radius ? -(float)radius : z;
}
else
{
z += .5f;
z = z > (float)radius ? (float)radius : z;
}
return(new Coord((int)x, 0, (int)z));
}
private IEnumerator testTrig()
{
int testAng = 35;
while (true)
{
// int radTwo = testCrudeTrigeRadius * 2;
// int angleCount = (radTwo + 1) * (radTwo + 1) - (radTwo - 1) * (radTwo - 1); //square count also
// int angIncr = (int)(360/(angleCount));
// if (testCrudeTrigeRadius > 3)
// {
// angIncr = 2;
// }
// b.bug("ang incr: " + angIncr);
// List<int> angs = CrudeTrig.SquareAnglesForRadiusAndAngle(testCrudeTrigeRadius, testAng);
List <int> angs = CrudeTrig.SquareAnglesForFullPerimeter(testCrudeTrigeRadius, testAng);
// for(int angDegrees = 0;angDegrees < 360 ;angDegrees += angIncr )
foreach (int angDegrees in angs)
{
// int angDegrees = 0;
Coord nudgeCo = CoordRadarUtil.NudgeCoordXZForYAxisAngleAndRadius(angDegrees, testCrudeTrigeRadius);
currentTestTrigCoord = nudgeCo;
testTrigCoords.Add(nudgeCo);
yield return(new WaitForSeconds(.05f));
}
testCrudeTrigeRadius++;
if (testCrudeTrigeRadius > 5)
{
testCrudeTrigeRadius = 1;
testAng -= 90;
}
// return true;
}
}
