/// <summary>
/// Checks if the next waypoint is positioned on the ground and can thus be walked on
/// </summary>
/// <param name="terrainLayers"></param>
/// <returns></returns>
public bool IsWaypointOnGround(LayerMask terrainLayers)
{
bool isOnGround;
isOnGround = Physics2D.Raycast(path.vectorPath[currentWaypoint], Vector3.down, 1.5f, terrainLayers).collider != null;
if (ai.showDetectors)
{
DebugDrawPhysics.DebugDrawCircle(path.vectorPath[currentWaypoint], 0.25f, isOnGround ? Color.green : Color.red, 1f / ai.checksPerSecond);
}
return(isOnGround);
}
public bool IsWaypointOnGround(LayerMask terrainLayers)
{
bool isOnGround;
if (is2D)
{
isOnGround = Physics2D.Raycast(path.vectorPath[currentWaypoint], Vector3.down, 1.5f, terrainLayers).collider != null;
}
else
{
isOnGround = Physics.Raycast(path.vectorPath[currentWaypoint], Vector3.down, 1.5f, terrainLayers);
}
if (ai.verboseDebug)
{
DebugDrawPhysics.DebugDrawCircle(path.vectorPath[currentWaypoint], 0.25f, isOnGround ? Color.green : Color.red, 1f / ai.thinkPerSecond);
}
return(isOnGround);
}
/// <summary>
/// Follows a path by running and jumping
///
/// returns true if reached end of path
/// </summary>
bool FollowPath()
{
if (!pathfinding.IsOnPath())
{
pathfinding.SetPathUnvalid();
if (verboseDebug)
{
Debug.Log(name + ": " + state + ": I was no longer on my path so requested a new one");
}
return(false);
}
//Find next waypoint that is on the ground. If the last one is in the air then we should jump to it
pathfinding.FindNextVisibleGroundedWaypoint(terrainLayers);
//Direction to the next waypoint
Vector3 dist = (pathfinding.GetCurrentWaypoint() - position);
Vector3 dir = dist.normalized;
//If verbose is on then we can draw some helper symbols to see what the character is currently trying to do
if (verboseDebug)
{
DebugDrawPhysics.DebugDrawCircle(pathfinding.GetCurrentWaypoint(), 1, Color.yellow);
}
//If there's a hole in the ground and the waypoint is not below us then jump
doJump = DetectHolesInGround() && dir.y >= 0;
//---Run---
if (dir.x > 0)
{
run = 1;
//Jump if we need to move up, double jumps will occur when we reach the max of the parabola and thus the upwards velocity is zero
if (dist.y > 1 && //The next waypoint is at least one meter up
Vector3.Angle(Vector3.right, dir) > angleToJump &&
velocity.y <= 0) //A velocity zero we reached the top of the jump parabola
{
doJump = true;
}
}
else
{
run = -1;
//Jump if we need to move up
if (dist.y > 1 &&
Vector3.Angle(Vector3.left, dir) > angleToJump &&
velocity.y <= 0)
{
doJump = true;
}
}
//If we have a low obstacle then we should try jumping
//Note that we will jump regardless of whether we detect an upper obstacle or not
//We will only jump when we do not have upwards velocity so that we do not waste any double jumps
if (isDetectingLowObstacle && velocity.y <= 0)
{
doJump = true;
}
//Check if we are close enough to the next waypoint
//If we are, proceed to follow the next waypoint
return(pathfinding.SelectNextWaypointIfCloseEnough());
}