//Create a list of points which constitute a sin path with the desired fidelity and number of cycles
void Awake()
{
//initialize our line renderer
LR = gameObject.AddComponent <LineRenderer>();
//grab a reference to the points component
PP = gameObject.GetComponent <pathPoints>();
//create the points on our sin curve (remember y = asin(b(x - c)) + d)
for (int r = 0; r < numCycles; ++r)
{
for (int i = 0; i < pointsPerCycle + (r == numCycles - 1 ? 1 : 0); ++i)
{
//we can calculate x by shifting along the current period by the current point
float x = transform.position.x + 2 * Mathf.PI * (period * (r + i / (float)pointsPerCycle));
//once we have x, we plug that into our sin function to get y
float y = transform.position.y + amplitude * Mathf.Sin(1 / period * x) * (flipY ? -1 : 1);
PP.points.Add(new Vector3(x, y, 0));
}
}
//specify the lind renderer settings
LR.startWidth = .1f;
LR.endWidth = .1f;
LR.material = new Material(Shader.Find("Unlit/Color"));
LR.material.color = PP.debugColor;
//copy our points into the line renderer so that they appear on-screen
LR.numPositions = PP.points.Count;
LR.SetPositions(PP.points.ToArray());
}
public void init()
{
//grab the point list from our path and move to point 0
PP = path.GetComponent <pathPoints>();
transform.position = PP.points[curPt];
GM.lookAt2d(gameObject, PP.points[curPt + 1]);
}
