using UnityEngine;

public class TrajectoryThrow : MonoBehaviour
{
	public LineRenderer lineRenderer;

	public int pointsCount = 30;

	public float initialVelocity = 15f;

	public Transform launchPoint;

	public Transform lookTarget;

	public float timeStep = 0.1f;

	public Vector3 gravity = Physics.gravity;

	public bool lineRenderEnabled;

	public bool targetCylinderEnabled;

	public Transform targetCylinder;

	public Vector3 cylinderPosition => targetCylinder.position;

	private void Update()
	{
		DrawCylinderTarget();
		if (lineRenderEnabled)
		{
			DrawLineTrajectory();
		}
	}

	private void DrawCylinderTarget()
	{
		if (!targetCylinderEnabled)
		{
			targetCylinder.gameObject.SetActive(value: false);
			return;
		}
		for (int i = 0; i < pointsCount; i++)
		{
			float num = (float)i * timeStep;
			Vector3 vector = (lookTarget.position - launchPoint.position).normalized * initialVelocity;
			Vector3 position = launchPoint.position;
			Vector3 vector2 = vector * num + 1f * gravity * num;
			Vector3 vector3 = position + vector2;
			if ((vector3 + vector2).y <= 0f)
			{
				vector3.y = 0f;
				targetCylinder.transform.position = vector3;
				targetCylinder.transform.gameObject.SetActive(value: true);
				break;
			}
		}
	}

	private void DrawLineTrajectory()
	{
		lineRenderer.positionCount = pointsCount;
		Vector3 position = launchPoint.position;
		Vector3 vector = launchPoint.forward * initialVelocity;
		for (int i = 0; i < pointsCount; i++)
		{
			float num = (float)i * timeStep;
			Vector3 position2 = position + vector * num + 0.5f * gravity * num * num;
			lineRenderer.SetPosition(i, position2);
		}
	}
}