HussienX72u
110 lines
2.9 KiB
C#
110 lines
2.9 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class DefaultRotationHandler : IRotateHandler
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{
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private List<float> anglesToRotate = new List<float>();
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private List<float> addedAngles = new List<float>();
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private int currentAngleIndex = 0;
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public DefaultRotationHandler()
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{
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// add regular angles
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anglesToRotate.Add(0);
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anglesToRotate.Add(45);
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anglesToRotate.Add(90);
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anglesToRotate.Add(135);
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anglesToRotate.Add(180);
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anglesToRotate.Add(225);
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anglesToRotate.Add(270);
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anglesToRotate.Add(315);
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}
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public void performRotation(BlockEditContext ctx)
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{
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if (ctx != null && ctx.IsActive)
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{
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float previousAngle = anglesToRotate[currentAngleIndex];
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currentAngleIndex++;
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currentAngleIndex %= anglesToRotate.Count;
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float currentAngle = anglesToRotate[currentAngleIndex];
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float deltaAngle = currentAngle - previousAngle;
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Vector3 pivotPoint = ctx.GhostTransform.position;
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if (ctx.TargetSocket != null && ctx.MySocket != null)
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{
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pivotPoint = ctx.MySocket.transform.position;
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}
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else if (ctx.AttachPoint != null)
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{
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pivotPoint = ctx.AttachPoint.position;
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}
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applyRotation(ctx.GhostTransform, pivotPoint, ctx.RotationAxis, deltaAngle);
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}
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}
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public void addAngle(float angle)
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{
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if (addedAngles.Contains(angle))
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{
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return;
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}
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// normalize the angle (0 - 360)
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if (angle >= 0)
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{
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angle = angle % 360;
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}
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else
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{
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while (angle < 0)
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{
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angle += 360;
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}
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}
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int currentSize = anglesToRotate.Count;
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// add it to list
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for (int i = 0; i < anglesToRotate.Count; i++)
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{
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if (angle < anglesToRotate[i])
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{
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anglesToRotate.Insert(i, angle);
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return;
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}
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}
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if (currentSize == anglesToRotate.Count) // it's the largest element in the whole rotations
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{
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anglesToRotate.Add(angle);
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}
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addedAngles.Add(angle);
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}
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public void removeAngle(float angle)
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{
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anglesToRotate.Remove(angle);
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addedAngles.Remove(angle);
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}
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// should be called when changing the object to be snapped to
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public void clearAngles()
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{
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foreach (float angle in addedAngles)
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{
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anglesToRotate.Remove(angle);
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}
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addedAngles.Clear();
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// reset to the nearest rotation angle
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currentAngleIndex++;
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currentAngleIndex %= anglesToRotate.Count;
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}
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private void applyRotation(Transform transform, Vector3 pivot, Vector3 axis, float angle)
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{
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transform.RotateAround(pivot, axis, angle);
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}
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}
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