24 lines
1.4 KiB
C#
24 lines
1.4 KiB
C#
namespace astar.PathingHelper;
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public class PriorityHelper(double totalDistance, byte maxSpeed)
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{
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public int CalculatePriority(Node current, Node neighbor, Node goal, byte speed, ValueTuple<float, float, float, float> ratingWeights)
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{
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double neighborDistanceToGoal = neighbor.DistanceTo(goal); //we want this to be small
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double currentDistanceToGoal = current.DistanceTo(goal);
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double currentDistanceToNeighbor = current.DistanceTo(neighbor);
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double angle = //we want this to be small
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double.RadiansToDegrees(
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Math.Acos((currentDistanceToGoal * currentDistanceToGoal +
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currentDistanceToNeighbor * currentDistanceToNeighbor -
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neighborDistanceToGoal * neighborDistanceToGoal) /
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(2 * currentDistanceToGoal * currentDistanceToNeighbor)));
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double speedRating = speed * 1.0 / maxSpeed * 100;
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double angleRating = 100 - (angle < 180 ? angle / 180 : (360 - angle) / 180) * 100;
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double distanceImprovedRating = 100 - (neighborDistanceToGoal - currentDistanceToGoal ) / totalDistance * 100;
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double distanceSpeedRating = ((totalDistance / maxSpeed) / (neighborDistanceToGoal / speed)) * 100;
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return (int)-(speedRating * ratingWeights.Item1 + angleRating * ratingWeights.Item2 + distanceImprovedRating * ratingWeights.Item3 + distanceSpeedRating * ratingWeights.Item4);
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}
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} |