init

2026-07-09 21:33:33 +02:00
commit 84a2a365f3
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+using System;
+using UnityEngine;
+
+namespace VOID.Generic.Trajectory
+{
+    [Serializable]
+    public abstract class AbstractTrajectory
+    {
+        public Vector3 startPosition { get; protected set; }
+        public Vector3 endPosition { get; protected set; }
+        public float lineDistance { get; protected set; }
+        public float trajectoryDistance { get; protected set; }
+
+        public AbstractTrajectory Clone()
+        {
+            return MemberwiseClone() as AbstractTrajectory;
+        }
+
+        /// <summary>
+        /// Initialize (again) whole trajectory.
+        /// </summary>
+        public void Init(Vector3 startPosition, Vector3 endPosition)
+        {
+            this.startPosition = startPosition;
+            this.endPosition = endPosition;
+            lineDistance = Vector3.Distance(startPosition, endPosition);
+            trajectoryDistance = lineDistance;
+            
+            OnInit();
+        }
+
+        /// <returns>Position on trajectory, by given distance (in line)</returns>
+        public Vector3 GetPositionByDistance(float distance)
+        {
+            return GetPositionByProgress(GetProgressForDistance(distance));
+        }
+
+        /// <returns>Progress (0-1) to end position, by given distance (in line)</returns>
+        public virtual float GetProgressForDistance(float currentDistance)
+        {
+            return Mathf.Clamp01(currentDistance / lineDistance); 
+        }
+        
+        /// <returns>Whole trajectory path with given number of points</returns>
+        public Vector3[] GetPositions(int count)
+        {
+            var positions = new Vector3[count];
+            var step = 1f / (count-1);
+
+            for (var i = 0; i < count; i++)
+                positions[i] = GetPositionByProgress(i * step);
+
+            return positions;
+        }
+        
+        protected abstract void OnInit();
+        public abstract Vector3 GetPositionByProgress(float progress);
+    }
+}