diff --git a/DungeonShooting_Godot/resource/map/tileMaps/testGroup/inlet/Room1.tscn b/DungeonShooting_Godot/resource/map/tileMaps/testGroup/inlet/Room1.tscn index af3f518..e5f1518 100644 --- a/DungeonShooting_Godot/resource/map/tileMaps/testGroup/inlet/Room1.tscn +++ b/DungeonShooting_Godot/resource/map/tileMaps/testGroup/inlet/Room1.tscn @@ -54,5 +54,5 @@ [node name="Sprite2D" type="Sprite2D" parent="."] position = Vector2(61, 25) -rotation = 0.785398 +rotation = 0.523599 texture = ExtResource("4_d1cfc") diff --git a/DungeonShooting_Godot/scene/test/TestOptimizeSprite.tscn b/DungeonShooting_Godot/scene/test/TestOptimizeSprite.tscn index 5e4c972..cc500fd 100644 --- a/DungeonShooting_Godot/scene/test/TestOptimizeSprite.tscn +++ b/DungeonShooting_Godot/scene/test/TestOptimizeSprite.tscn @@ -1,8 +1,8 @@ [gd_scene load_steps=3 format=3 uid="uid://crwmgbequhxf3"] [ext_resource type="Script" path="res://src/test/TestOptimizeSprite.cs" id="1_rwuav"] -[ext_resource type="Texture2D" uid="uid://bu0b11hiuecxy" path="res://resource/sprite/bullet/bullet.png" id="2_q71c5"] +[ext_resource type="Texture2D" uid="uid://civvcowt2wklr" path="res://resource/sprite/weapon/weapon0001/Weapon0001.png" id="2_qvs0g"] [node name="TestOptimizeSprite" type="Node2D"] script = ExtResource("1_rwuav") -Texture2D = ExtResource("2_q71c5") +Texture2D = ExtResource("2_qvs0g") diff --git a/DungeonShooting_Godot/src/test/TestOptimizeSprite.cs b/DungeonShooting_Godot/src/test/TestOptimizeSprite.cs index 452ea12..075a6ad 100644 --- a/DungeonShooting_Godot/src/test/TestOptimizeSprite.cs +++ b/DungeonShooting_Godot/src/test/TestOptimizeSprite.cs @@ -4,11 +4,11 @@ { [Export()] public Texture2D Texture2D; - + public override void _Ready() { var image = Image.Create(150, 150, true, Image.Format.Rgba8); - + for (int x = 0; x < 150; x++) { for (int y = 0; y < 150; y++) @@ -16,6 +16,7 @@ image.SetPixel(x, y, Colors.Gray); } } + var imgData = Texture2D.GetImage(); var width = imgData.GetWidth(); var height = imgData.GetHeight(); @@ -24,50 +25,80 @@ // image.SetPixel(50 + width, 50 + height, Colors.Red); // image.SetPixel(50, 50 + height, Colors.Red); // image.SetPixel(50 + width, 50, Colors.Red); - // for (int x = 0; x < width; x++) - // { - // for (int y = 0; y < height; y++) - // { - // image.SetPixel(x + 50, y + 50, imgData.GetPixel(x, y)); - // } - // } + - var angle = Mathf.DegToRad(45); - var w1 = width * Mathf.Abs(Mathf.Cos(angle)) + height * Mathf.Sin(angle); - var h1 = width * Mathf.Sin(angle) + height * Mathf.Abs(Mathf.Cos(angle)); // image.SetPixel(50, 100, Colors.Green); // image.SetPixel(50 + (int)w1, 100 + (int)h1, Colors.Green); // image.SetPixel(50, 100 + (int)h1, Colors.Green); // image.SetPixel(50 + (int)w1, 100, Colors.Green); - var centerX = 0.5f; - var centerY = 0.5f; - - for (int x2 = 0; x2 < w1; x2++) - { - for (int y2 = 0; y2 < h1; y2++) - { - var x1=x2*Mathf.Cos(angle)+y2*Mathf.Sin(angle)-0.5*w1*Mathf.Cos(angle)-0.5*h1*Mathf.Sin(angle)+0.5*width; - var y1=-x2*Mathf.Sin(angle)+y2*Mathf.Cos(angle)+0.5*w1*Mathf.Sin(angle)-0.5*h1*Mathf.Cos(angle)+0.5*height; - + // var centerX = 0.5f; + // var centerY = 0.5f; + var angle = Mathf.DegToRad(44); + var newWidth = width * Mathf.Abs(Mathf.Cos(angle)) + height * Mathf.Sin(angle); + var newHeight = width * Mathf.Sin(angle) + height * Mathf.Abs(Mathf.Cos(angle)); + + var ox = width * 1; + var oy = height * 0.5; + + + var offsetX = + (ox / Mathf.Sin(angle) + + (0.5 * newWidth * Mathf.Sin(angle) - 0.5 * newHeight * Mathf.Cos(angle) + 0.5 * height) / + Mathf.Cos(angle) - + (-0.5 * newWidth * Mathf.Cos(angle) - 0.5 * newHeight * Mathf.Sin(angle) + 0.5 * width) / + Mathf.Sin(angle) - oy / Mathf.Cos(angle)) / + (Mathf.Cos(angle) / Mathf.Sin(angle) + Mathf.Sin(angle) / Mathf.Cos(angle)); + + var offsetY = + (ox / Mathf.Cos(angle) - + (-0.5 * newWidth * Mathf.Cos(angle) - 0.5 * newHeight * Mathf.Sin(angle) + 0.5 * width) / + Mathf.Cos(angle) - + (0.5 * newWidth * Mathf.Sin(angle) - 0.5 * newHeight * Mathf.Cos(angle) + 0.5 * height) / + Mathf.Sin(angle) + oy / Mathf.Sin(angle)) / + (Mathf.Sin(angle) / Mathf.Cos(angle) + Mathf.Cos(angle) / Mathf.Sin(angle)); + + + for (int x2 = 0; x2 < newWidth; x2++) + { + for (int y2 = 0; y2 < newHeight; y2++) + { + //如果(x1,y1)不在原图宽高所表示范围内，则（x2,y2）处的像素值设置为0或255 + var x1 = x2 * Mathf.Cos(angle) + y2 * Mathf.Sin(angle) - 0.5 * newWidth * Mathf.Cos(angle) - + 0.5 * newHeight * Mathf.Sin(angle) + 0.5 * width; + var y1 = -x2 * Mathf.Sin(angle) + y2 * Mathf.Cos(angle) + 0.5 * newWidth * Mathf.Sin(angle) - + 0.5 * newHeight * Mathf.Cos(angle) + 0.5 * height; + + var x = x2 + 50 - (int)offsetX; + var y = y2 + 50 - (int)offsetY; + if (x1 < 0 || x1 >= width || y1 < 0 || y1 >= height) { - image.SetPixel(x2 + 50, y2 + 50, new Color(0,0,0,0)); + //image.SetPixel(x, y, new Color(0, 0, 0, 0)); //在图片外 continue; } - var x = Mathf.RoundToInt(x1); - var y = Mathf.RoundToInt(y1); - image.SetPixel(x2 + 50, y2 + 50, imgData.GetPixel(x, y)); - //如果(x1,y1)不在原图宽高所表示范围内，则（x2,y2）处的像素值设置为0或255 + //如果(x1,y1)在原图宽高所表示范围内，使用最近邻插值或双线性插值，求出（x2,y2）处的像素值 - + image.SetPixel(x, y, imgData.GetPixel(Mathf.FloorToInt(x1), Mathf.FloorToInt(y1))); } } //RotateImage(imgData, image, 0); + for (int i = 0; i < image.GetWidth(); i++) + { + image.SetPixel(i, 50, Colors.Black); + image.SetPixel(i, 50 + imgData.GetHeight() / 2, Colors.Green); + } + + for (int i = 0; i < image.GetHeight(); i++) + { + image.SetPixel(50, i, Colors.Black); + image.SetPixel(50 + imgData.GetWidth() / 2, i, Colors.Green); + } + var imageTexture = ImageTexture.CreateFromImage(image); var sprite2D = new Sprite2D(); sprite2D.Texture = imageTexture;