js插件的readpackY不正确

jay602 · jay602 · commit 740be61d0884 · 2018-11-23T14:02:16.000+08:00
diff --git a/kbengine.js b/kbengine.js
@@ -662,7 +662,13 @@ KBEngine.MemoryStream = function(size_or_buffer)
 	this.readPackY = function()
 	{
 		var v = this.readUint16();
-		return v;
+		
+		var yPackData = new  KBEngine.MemoryStream.PackFloatXType();
+		yPackData.uv[0] = 0x40000000;
+		yPackData.uv[0] |= (v & 0x7fff) << 12;
+		yPackData.fv[0] -= 2.0;
+		yPackData.uv[0] |= (v & 0x8000) << 16;
+		return yPackData.fv[0];
 	}
 	
 	//---------------------------------------------------------------------------------

Original file line number	Diff line number	Diff line change
`@@ -662,7 +662,13 @@ KBEngine.MemoryStream = function(size_or_buffer)`
`662`	`662`	`this.readPackY = function()`
`663`	`663`	`{`
`664`	`664`	`var v = this.readUint16();`
`665`		`- return v;`
	`665`	`+`
	`666`	`+ var yPackData = new KBEngine.MemoryStream.PackFloatXType();`
	`667`	`+ yPackData.uv[0] = 0x40000000;`
	`668`	`+ yPackData.uv[0] \|= (v & 0x7fff) << 12;`
	`669`	`+ yPackData.fv[0] -= 2.0;`
	`670`	`+ yPackData.uv[0] \|= (v & 0x8000) << 16;`
	`671`	`+ return yPackData.fv[0];`
`666`	`672`	`}`
`667`	`673`
`668`	`674`	`//---------------------------------------------------------------------------------`