From c9c745c730122bb18133d92dc36cb7df899ba16d Mon Sep 17 00:00:00 2001
From: yhh <359807859@qq.com>
Date: Wed, 30 Sep 2020 18:31:58 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9EprototypespriteRenderer?=
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---
 .../Sprites/PrototypeSpriteRenderer.ts        | 61 +++++++++++++++++++
 source/src/ECS/Core.ts                        |  1 +
 source/src/Graphics/Graphics.ts               | 20 ++++++
 source/src/Utils/Vector2Ext.ts                |  4 ++
 4 files changed, 86 insertions(+)
 create mode 100644 source/src/ECS/Components/Renderables/Sprites/PrototypeSpriteRenderer.ts
 create mode 100644 source/src/Graphics/Graphics.ts

diff --git a/source/src/ECS/Components/Renderables/Sprites/PrototypeSpriteRenderer.ts b/source/src/ECS/Components/Renderables/Sprites/PrototypeSpriteRenderer.ts
new file mode 100644
index 00000000..40a19894
--- /dev/null
+++ b/source/src/ECS/Components/Renderables/Sprites/PrototypeSpriteRenderer.ts
@@ -0,0 +1,61 @@
+module es {
+    export class PrototypeSpriteRenderer extends SpriteRenderer {
+        public get width(): number {
+            return this._width;
+        }
+
+        public get height(): number {
+            return this._height;
+        }
+
+        public get bounds(): Rectangle {
+            if (this._areBoundsDirty){
+                this._bounds.calculateBounds(this.entity.transform.position, this._localOffset, this._origin, this.entity.transform.scale,
+                    this.entity.transform.rotation, this._width, this._height);
+                this._areBoundsDirty = false;
+            }
+
+            return this._bounds;
+        }
+
+        public skewTopX: number = 0;
+        public skewBottomX: number = 0;
+        public skewLeftY: number = 0;
+        public skewRightY: number = 0;
+
+        public _width: number = 0;
+        public _height: number = 0;
+
+        constructor(width: number = 50, height: number = 50){
+            super(Graphics.Instance.pixelTexture);
+            this._width = width;
+            this._height = height;
+        }
+
+        public setWidth(width: number): PrototypeSpriteRenderer {
+            this._width = width;
+            return this;
+        }
+
+        public setHeight(height: number): PrototypeSpriteRenderer {
+            this._height = height;
+            return this;
+        }
+
+        public setSkew(skewTopX: number, skewBottomX: number, skewLeftY: number, skewRightY: number): PrototypeSpriteRenderer{
+            this.skewTopX = skewTopX;
+            this.skewBottomX = skewBottomX;
+            this.skewLeftY = skewLeftY;
+            this.skewRightY = skewRightY;
+            return this;
+        }
+
+        public onAddedToEntity() {
+            this.originNormalized = Vector2Ext.halfVector();
+        }
+
+        public render(camera: es.Camera) {
+
+        }
+    }
+}
\ No newline at end of file
diff --git a/source/src/ECS/Core.ts b/source/src/ECS/Core.ts
index 6b25cbef..264cbc42 100644
--- a/source/src/ECS/Core.ts
+++ b/source/src/ECS/Core.ts
@@ -228,6 +228,7 @@ module es {
         }
 
         protected initialize() {
+            Graphics.Instance = new Graphics();
         }
 
         protected async update() {
diff --git a/source/src/Graphics/Graphics.ts b/source/src/Graphics/Graphics.ts
new file mode 100644
index 00000000..e0466d21
--- /dev/null
+++ b/source/src/Graphics/Graphics.ts
@@ -0,0 +1,20 @@
+module es {
+    export class Graphics {
+        public static Instance: Graphics;
+        /**
+         * 用于绘制矩形、线条、圆等的精灵。
+         * 将在启动时生成，但你可以用你的图集中的精灵代替，以减少纹理交换。应该是一个1x1的白色像素
+         */
+        public pixelTexture: Sprite;
+
+        constructor(){
+            let arrayBuffer = new ArrayBuffer(1);
+            arrayBuffer[0] = 0xffffff;
+            egret.BitmapData.create("arraybuffer", arrayBuffer, bitmapData => {
+                let tex = new egret.Texture();
+                tex.bitmapData = bitmapData;
+                this.pixelTexture = new Sprite(tex);
+            });
+        }
+    }
+}
\ No newline at end of file
diff --git a/source/src/Utils/Vector2Ext.ts b/source/src/Utils/Vector2Ext.ts
index 110c68d3..90ca0a67 100644
--- a/source/src/Utils/Vector2Ext.ts
+++ b/source/src/Utils/Vector2Ext.ts
@@ -10,6 +10,10 @@ module es {
             return this.cross(Vector2.subtract(center, a), Vector2.subtract(c, center)) < 0;
         }
 
+        public static halfVector(): Vector2 {
+            return new Vector2(0.5, 0.5);
+        }
+
         /**
          * 计算二维伪叉乘点(Perp(u)， v)
          * @param u