daily update on 20240513 by nitload youmu, instancing render added

2024-05-13 03:39:54 +08:00
parent 56459deec5
commit a3506c96a3
78 changed files with 2562 additions and 1098 deletions
@@ -0,0 +1,94 @@
+using StgSharp.Math;
+
+using System;
+using System.Collections.Generic;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace StgSharp.Geometries
+{
+    public delegate vec3d GeometryMotionDelegate(TimeSpanProvider timeSource, out float rotation);
+
+    public class GeometryMotion
+    {
+        private bool isIncrementMode;
+        private bool sourceIsStatic;
+        private TimeSpanProvider time;
+        private GeometryMotionDelegate movement;
+        private IntPtr handle;
+
+        public static GeometryMotion DefaultMotion
+        {
+            get
+            { 
+            return new GeometryMotion
+                (
+                true,
+                 null,
+                null
+                );
+            }
+        }
+
+        private static vec3d defaultMotion(TimeSpanProvider provider, out float rotation)
+        {
+            rotation = 0;
+            return Vec3d.Zero;
+        }
+
+        public unsafe GeometryMotion(
+            bool isIncreament,
+            TimeSpanProvider timeSource,
+            GeometryMotionDelegate motionDelegate
+            )
+        {
+            isIncrementMode = isIncreament;
+            time = timeSource;
+            if (motionDelegate == null)
+            {
+                handle = (IntPtr)(delegate*<TimeSpanProvider, out float, vec3d>)&defaultMotion;
+                movement = defaultMotion;
+            }
+            else if (motionDelegate.Method.IsStatic)
+            {
+                sourceIsStatic = true;
+                handle =  Marshal.GetFunctionPointerForDelegate(motionDelegate);
+                movement = motionDelegate;
+            }
+            else
+            {
+                movement = motionDelegate;
+            }
+        }
+
+        public bool IsIncrement
+        {
+            get => isIncrementMode; 
+
+        }
+
+        public unsafe void RunMotion(ref vec3d coord, ref float rotation)
+        {
+            float rot = 0;
+
+            if (sourceIsStatic) 
+            {
+
+            }
+            vec3d vec = ((delegate*<TimeSpanProvider, out float, vec3d>)handle)(time, out rot);
+            
+            if (isIncrementMode)
+            {
+                coord += vec;
+                rotation += rot;
+            }
+            else
+            {
+                coord = vec.XYZ;
+                rotation = rot;
+            }
+        }
+
+    }
+}