59 lines
2.4 KiB
C#
59 lines
2.4 KiB
C#
using System.Collections.Generic;
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using EscapeRoomEngine.Engine.Runtime.Modules;
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using UnityEngine;
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namespace EscapeRoomEngine.Engine.Runtime.Requirements
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{
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/// <summary>
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/// This requirement guarantees that the module faces the center of the space.
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/// </summary>
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[CreateAssetMenu(menuName = "Requirements/Face Space Center")]
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public class FaceSpaceCenter : PlacementRequirement
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{
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protected override List<Placement> FilterCandidates(List<Placement> candidates, Module module, Space space)
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{
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float width = space.rrPlacement.size.x;
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float length = space.rrPlacement.size.y;
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candidates.RemoveAll(candidate =>
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{
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var orientation = candidate.orientation;
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var center = candidate.GeometricCenter;
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var xRel = center.x / width;
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var zRel = center.z / length;
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bool keep;
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// check the space diagonals
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if (Mathf.Approximately(xRel, zRel))
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{
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keep = Mathf.Approximately(xRel, 0.5f) ||
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(xRel < 0.5f
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? orientation is Orientation.East or Orientation.North // on bottom left diagonal of space
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: orientation is Orientation.West or Orientation.South); // on top right diagonal of space
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}
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else if (Mathf.Approximately(xRel, 1 - zRel))
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{
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keep = xRel < 0.5f
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? orientation is Orientation.East or Orientation.South // on top left diagonal of space
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: orientation is Orientation.West or Orientation.North; // on bottom right diagonal of space
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}
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else
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{
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// check the areas between the diagonals
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keep = orientation ==
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(zRel > xRel
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? zRel > 1 - xRel
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? Orientation.South
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: Orientation.East
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: zRel > 1 - xRel
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? Orientation.West
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: Orientation.North);
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}
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return !keep;
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});
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return candidates;
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}
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}
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} |