新增动态水物理插件

Packages/com.nwh.dynamicwaterphysics/Runtime/SailController/SailPreset.cs

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+// ╔════════════════════════════════════════════════════════════════╗
+// ║    Copyright © 2025 NWH Coding d.o.o.  All rights reserved.    ║
+// ║    Licensed under Unity Asset Store Terms of Service:          ║
+// ║        https://unity.com/legal/as-terms                        ║
+// ║    Use permitted only in compliance with the License.          ║
+// ║    Distributed "AS IS", without warranty of any kind.          ║
+// ╚════════════════════════════════════════════════════════════════╝
+
+#region
+
+using UnityEngine;
+#if UNITY_EDITOR
+using NWH.NUI;
+using UnityEditor;
+#endif
+
+#endregion
+
+namespace NWH.DWP2.SailController
+{
+    /// <summary>
+    /// Defines the aerodynamic characteristics of a sail through lift and drag coefficient curves.
+    /// Contains the relationship between angle of attack and force generation.
+    /// Different sail types (square, lateen, bermuda, etc.) can be represented by different presets.
+    /// Can be created via Assets > Create > NWH > DWP2 > SailPreset.
+    /// </summary>
+    [CreateAssetMenu(fileName = "SailPreset", menuName = "NWH/DWP2/SailPreset", order = 1)]
+    public class SailPreset : ScriptableObject
+    {
+        /// <summary>
+        /// Optional description of the sail type and its characteristics.
+        /// </summary>
+        public string         description;
+
+        /// <summary>
+        /// Defines how drag coefficient varies with angle of attack.
+        /// X-axis represents angle of attack in degrees (-180 to 180).
+        /// Y-axis represents the drag coefficient multiplier.
+        /// Drag acts in the direction of the apparent wind.
+        /// </summary>
+        public AnimationCurve dragCoefficientVsAoACurve = new();
+
+        /// <summary>
+        /// Global multiplier for all drag forces.
+        /// Values greater than 1 increase drag, values less than 1 reduce it.
+        /// Does not affect the shape of the drag curve.
+        /// </summary>
+        public float          dragScale                 = 1f;
+
+        /// <summary>
+        /// Defines how lift coefficient varies with angle of attack.
+        /// X-axis represents angle of attack in degrees (-180 to 180).
+        /// Y-axis represents the lift coefficient multiplier.
+        /// Lift acts perpendicular to the sail plane.
+        /// </summary>
+        public AnimationCurve liftCoefficientVsAoACurve = new();
+
+        /// <summary>
+        /// Global multiplier for all lift forces.
+        /// Values greater than 1 increase lift, values less than 1 reduce it.
+        /// Does not affect the shape of the lift curve.
+        /// </summary>
+        public float          liftScale                 = 1f;
+
+
+        private void Reset()
+        {
+            liftCoefficientVsAoACurve = GetDefaultLiftCurve();
+            dragCoefficientVsAoACurve = GetDefaultDragCurve();
+        }
+
+
+        private AnimationCurve GetDefaultDragCurve()
+        {
+            AnimationCurve dragCurve = new();
+
+            for (float angle = -180f; angle <= 180f; angle += 20f)
+            {
+                float angleRadians     = angle * Mathf.Deg2Rad;
+                float forceCoefficient = Mathf.Sin(angleRadians);
+                dragCurve.AddKey(angle, forceCoefficient);
+            }
+
+            return dragCurve;
+        }
+
+
+        private AnimationCurve GetDefaultLiftCurve()
+        {
+            AnimationCurve liftCurve = new();
+
+            for (float angle = -180f; angle <= 180f; angle += 20f)
+            {
+                float angleRadians     = angle * Mathf.Deg2Rad;
+                float forceCoefficient = Mathf.Cos(angleRadians * 2f);
+                liftCurve.AddKey(angle, forceCoefficient);
+            }
+
+            return liftCurve;
+        }
+    }
+}
+
+#if UNITY_EDITOR
+namespace NWH.DWP2.SailController
+{
+    [CustomEditor(typeof(SailPreset))]
+    [CanEditMultipleObjects]
+    public class SailPresetEditor : DWP2NUIEditor
+    {
+        public override bool OnInspectorNUI()
+        {
+            if (!base.OnInspectorNUI())
+            {
+                return false;
+            }
+
+            SailPreset sailPreset = (SailPreset)target;
+
+            EditorGUILayout.Space(30f);
+            EditorGUILayout.LabelField("Description:");
+            sailPreset.description = EditorGUILayout.TextArea(sailPreset.description, GUILayout.Height(60f));
+            drawer.Space(100f);
+
+            drawer.BeginSubsection("Drag");
+            drawer.Field("dragScale",                 true, "x100%");
+            drawer.Field("dragCoefficientVsAoACurve", true, null, "Drag Coeff. vs AoA");
+            drawer.EndSubsection();
+
+            drawer.BeginSubsection("Lift");
+            drawer.Field("liftScale",                 true, "x100%");
+            drawer.Field("liftCoefficientVsAoACurve", true, null, "Lift Coeff. vs AoA");
+            drawer.EndSubsection();
+
+            drawer.EndEditor(this);
+            return true;
+        }
+    }
+}
+#endif