gl-vao - npm Package Compare versions

Comparing version 1.0.0 to 1.1.0

lib/vao-emulated.js

@@ -7,13 +7,13 @@ "use strict"
   this.gl = gl
-  this.elements = null
-  this.attributes = null
+  this._elements = null
+  this._attributes = null
 }
 
 VAOEmulated.prototype.bind = function() {
-  bindAttribs(this.gl, this.elements, this.attributes)
+  bindAttribs(this.gl, this._elements, this._attributes)
 }
 
 VAOEmulated.prototype.update = function(attributes, elements) {
-  this.elements = elements
-  this.attributes = attributes
+  this._elements = elements
+  this._attributes = attributes
 }
@@ -24,2 +24,12 @@
 
+VAOEmulated.prototype.draw = function(mode, count, offset) {
+  offset = offset || 0
+  var gl = this.gl
+  if(this._elements) {
+    gl.drawElements(mode, count, gl.UNSIGNED_SHORT, offset)
+  } else {
+    gl.drawArrays(mode, offset, count)
+  }
+}
+
 function createVAOEmulated(gl) {
@@ -26,0 +36,0 @@ return new VAOEmulated(gl)

lib/vao-native.js

@@ -33,9 +33,10 @@ "use strict"
   this.gl = gl
-  this.ext = ext
+  this._ext = ext
   this.handle = handle
   this._attribs = []
+  this._useElements = false
 }
 
 VAONative.prototype.bind = function() {
-  this.ext.bindVertexArrayOES(this.handle)
+  this._ext.bindVertexArrayOES(this.handle)
   for(var i=0; i<this._attribs.length; ++i) {
@@ -47,7 +48,7 @@ this._attribs[i].bind(this.gl)
 VAONative.prototype.unbind = function() {
-  this.ext.bindVertexArrayOES(null)
+  this._ext.bindVertexArrayOES(null)
 }
 
 VAONative.prototype.dispose = function() {
-  this.ext.deleteVertexArrayOES(this.handle)
+  this._ext.deleteVertexArrayOES(this.handle)
 }
@@ -69,4 +70,15 @@
   }
+  this._useElements = !!elements
 }
 
+VAONative.prototype.draw = function(mode, count, offset) {
+  offset = offset || 0
+  var gl = this.gl
+  if(this._useElements) {
+    gl.drawElements(mode, count, gl.UNSIGNED_SHORT, offset)
+  } else {
+    gl.drawArrays(mode, offset, count)
+  }
+}
+
 function createVAONative(gl, ext) {
@@ -73,0 +85,0 @@ return new VAONative(gl, ext, ext.createVertexArrayOES())

package.json

 {
   "name": "gl-vao",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Vertex array object wrapper/shim for WebGL",
@@ -5,0 +5,0 @@ "main": "vao.js",

README.md

@@ -46,3 +46,3 @@ gl-vao
   //Draw stuff
-  gl.drawArrays(gl.TRIANGLES, 0, 3)
+  vao.draw(gl.TRIANGLES, 3)
   
@@ -96,2 +96,9 @@ //Unbind vertex array when fini
 
+### `vao.draw(mode, count[, offset])`
+Draws the vertex array object.
+
+* `mode` is the mode to use when drawing the buffer, for example `gl.TRIANGLES`, `gl.LINES`, etc.
+* `count` is the number of vertices to draw.
+* `offset` is the offset to start drawing from.  Default `0`
+
 ### `vao.update(attributes[, elements])`
@@ -103,3 +110,4 @@ Updates the contents of the vertex array object using the same syntax and conventions as the constructor.
 
+
 ## Credits
 (c) 2013 Mikola Lysenko. MIT License

No alert changes

Improved metrics

Total package byte prevSize

10687

increased by8.38%

Lines of code

167

increased by13.61%

Number of lines in readme file

111

increased by7.77%

No dependency changes