ProjectDDD/Packages/com.arongranberg.astar/Core/Control/PIDUtilities.cs

30 lines
1.2 KiB (Stored with Git LFS)
C#

using Unity.Mathematics;
namespace Pathfinding.PID {
public struct AnglePIDControlOutput2D {
/// <summary>How much to rotate in a single time-step. In radians.</summary>
public float rotationDelta;
public float targetRotation;
/// <summary>How much to move in a single time-step. In world units.</summary>
public float2 positionDelta;
public AnglePIDControlOutput2D(float currentRotation, float targetRotation, float rotationDelta, float moveDistance) {
var midpointRotation = currentRotation + rotationDelta * 0.5f;
math.sincos(midpointRotation, out float s, out float c);
this.rotationDelta = rotationDelta;
this.positionDelta = new float2(c, s) * moveDistance;
this.targetRotation = targetRotation;
}
public static AnglePIDControlOutput2D WithMovementAtEnd (float currentRotation, float targetRotation, float rotationDelta, float moveDistance) {
var finalRotation = currentRotation + rotationDelta;
math.sincos(finalRotation, out float s, out float c);
return new AnglePIDControlOutput2D {
rotationDelta = rotationDelta,
targetRotation = targetRotation,
positionDelta = new float2(c, s) * moveDistance,
};
}
}
}