#28 新增tiledMapRenderer用于渲染tiledmap

2020-08-12 18:08:12 +08:00
parent 167ef03df6
commit e5805960e0
14 changed files with 1402 additions and 2 deletions
--- a/source/src/Utils/Color.ts
+++ b/source/src/Utils/Color.ts
@@ -0,0 +1,68 @@
+module es {
+    export class Color {
+        /**
+         * 存储为RGBA
+         */
+        private _packedValue: number;
+
+        /**
+         * 从代表红、绿、蓝和alpha值的标量构造RGBA颜色。
+         */
+        constructor(r: number, g: number,b: number, alpha: number){
+            if (((r | g |b | alpha) & 0xFFFFFF00) != 0){
+                let clampedR = MathHelper.clamp(r, 0, 255);
+                let clampedG = MathHelper.clamp(g, 0, 255);
+                let clampedB = MathHelper.clamp(b, 0, 255);
+                let clampedA = MathHelper.clamp(alpha, 0, 255);
+
+                this._packedValue = (clampedA << 24) | (clampedB << 16) | (clampedG << 8) | (clampedR);
+            }else{
+                this._packedValue = (alpha << 24 ) | (b << 16) | (g << 8) | r;
+            }
+        }
+
+        public get b(){
+            return this._packedValue >> 16;
+        }
+
+        public set b(value: number){
+            this._packedValue = (this._packedValue & 0xff00ffff) | (value << 16);
+        }
+
+        public get g(){
+            return this._packedValue >> 8;
+        }
+
+        public set g(value: number){
+            this._packedValue = (this._packedValue & 0xffff00ff) | (value << 8)
+        }
+
+        public get r(){
+            return this._packedValue;
+        }
+
+        public set r(value: number){
+            this._packedValue = (this._packedValue & 0xffffff00) | value;
+        }
+
+        public get a(){
+            return this._packedValue >> 24;
+        }
+
+        public set a(value: number){
+            this._packedValue = (this._packedValue & 0x00ffffff) | (value << 24);
+        }
+
+        public get packedValue(){
+            return this._packedValue;
+        }
+
+        public set packedValue(value: number){
+            this._packedValue = value;
+        }
+
+        public equals(other: Color):boolean{
+            return this._packedValue == other._packedValue;
+        }
+    }
+}