Canvas Origin Top-Left Settings

To enable set chesterGL.settings['canvasOriginTopLeft'] = true;

.gitignore

@@ -16,3 +16,6 @@ iOS/
 .svn
 closure-library/
 *.flags
+
+# remove build script
+build.bat

chesterGL/block.js

@@ -794,6 +794,7 @@ chesterGL.Block.prototype.transform = function () {
 		this.isTransformDirty = true;
 		_px = this.position[0];
 		_py = this.position[1];
+		if(chesterGL.canvasOriginTopLeft) _py = (chesterGL.gl.viewportHeight / 2) - _py;
 		goog.vec.Mat4.makeIdentity(this.mvMatrix);
 		goog.vec.Mat4.translate(this.mvMatrix, _px, _py, this.position[2]);
 		goog.vec.Mat4.rotate(this.mvMatrix, this.rotation * -1, 0, 0, 1);
@@ -982,7 +983,7 @@ chesterGL.Block.prototype.render = function () {
 		gl.globalAlpha = this.color[3];
 		gl.setTransform(m[0], m[4], m[1], m[5],
 			m[12] + (0.5 - this.anchorPoint.x) * w,
-			gl.viewportHeight - (m[13] + (0.5 - this.anchorPoint.y) * h));
+			(chesterGL.canvasOriginTopLeft ? 0 : -gl.viewportHeight)  + (m[13] + (0.5 - this.anchorPoint.y) * h));
 		if (this.program == chesterGL.Block.PROGRAM.TEXTURE) {
 			texture = chesterGL.getAsset('texture', this.texture);
 			var frame = this.frame;

chesterGL/core.js

@@ -147,6 +147,7 @@ chesterGL.onFakeWebGL = false;
  * <li>useGoogleAnalytics: whether or not to track fps and send analytics. Will send every 5 seconds</li>
  * <li>projection: "3d" or "2d" (ortho)</li>
  * <li>webglMode: true to try for webGL, false to force canvas mode</li>
+ * <li>canvasOriginTopLeft: If true makes 0,0 the Top-Left corner. If false makes 0,0 the Bottom-Left</li>
  * </ul>
  * @type {Object.<string,string|boolean>}
  * @example
@@ -160,7 +161,8 @@ chesterGL.settings = {
 	'projection': '3d',
 	'webglMode': true,
 	'usesOffscreenBuffer': false,
-	'basePath': ''
+	'basePath': '',
+	'canvasOriginTopLeft': false
 };
 
 /**
@@ -193,6 +195,12 @@ chesterGL.useGoogleAnalytics = false;
  */
 chesterGL.basePath = "";
 
+/**
+ * @type {boolean}
+ * @ignore
+ */
+chesterGL.canvasOriginTopLeft = false;
+
 /**
  * This is the WebGL context
  *
@@ -353,6 +361,7 @@ chesterGL.setup = function (canvasId) {
 	chesterGL.useGoogleAnalytics = /** @type {boolean} */(settings['useGoogleAnalytics']);
 	chesterGL.usesOffscreenBuffer = /** @type {boolean} */(settings['usesOffscreenBuffer']);
 	chesterGL.basePath = /** @type {string} */(settings['basePath']);
+	chesterGL.canvasOriginTopLeft = /** @type {boolean} */(settings['canvasOriginTopLeft']);
 
 	chesterGL.initGraphics(canvas);
 	if (chesterGL.webglMode) {

chesterGL/docs.js

@@ -0,0 +1,5 @@
+// Strictly for generating documents.
+// Place in chesterGL/
+
+/** @namespace */
+var chesterGL = {};

compile.py

@@ -0,0 +1,109 @@
+# compile.py
+# - Version: 1.0
+# - Replacement for the Makefile. This is cross-platform.
+# - Requires Python 2.7+
+import sys, argparse, subprocess, urllib2
+
+externs = ['jquery-1.7.js', 'webkit_console.js', 'google_analytics_api.js', 'json.js']
+src = ['chesterGL/core.js', 'chesterGL/block.js', 'chesterGL/blockFrames.js', 'chesterGL/blockGroup.js', 'chesterGL/actions.js', 'chesterGL/tmxBlock.js', 'chesterGL/GPUParticleSystem.js', 'chesterGL/primitivesBlock.js', 'chesterGL/labelBlock.js', 'chesterGL/bmFontLabelBlock.js']
+
+parser = argparse.ArgumentParser(description='Compiler for ChesterGL')
+
+group1 = parser.add_argument_group('Compile Options')
+group1.add_argument('-mode', action='store', choices=['debug', 'release'], default='release', help='Set the flags for debug or release.')
+group1.add_argument('-fetch', '-f', action='store_true', default=True, help='Fetch externs.')
+group1.add_argument('-docs', action='store_true', help='Build documents using JSDoc.')
+group1.add_argument('-output', '-o', action='store', default='./html', help='Output directory.')
+
+
+group2 = parser.add_argument_group('Dependency Options')
+group2.add_argument('-python', action='store', default='python', help='Location of python executable.')
+group2.add_argument('-java', action='store', default='java', help='Location of java.')
+group2.add_argument('-jsdoc', action='store', default='/Applications/jsdoc-toolkit', help='Location of JSDoc root directory.')
+group2.add_argument('-ccompiler', action='store', default='/Applications/closure-compiler', help='Path to closure compiler folder.')
+group2.add_argument('-clib', action='store', default='/Applications/closure-library', help='Path to closure library folder.')
+group2.add_argument('-cjar', action='store', default='compiler.jar', help='Filename to closure compiler jar.')
+
+args = parser.parse_args()
+
+externsTmp = ''
+for ext in externs:
+    externsTmp += '--externs ' + args.ccompiler +'/' + ext + ' '
+compilerArgs = externsTmp + '--language_in=ECMASCRIPT5_STRICT --warning_level=VERBOSE --jscomp_warning=checkTypes --summary_detail_level=3 '
+
+def dload(file, output):
+    response = urllib2.urlopen(file)
+    html = response.read()
+    o = open(output, 'w+')
+    o.write(html)
+    o.close()
+    return
+
+# Fetch externs?
+if args.fetch:
+    for file in externs:
+        dload('http://closure-compiler.googlecode.com/svn/trunk/contrib/externs/' + file, args.ccompiler + '/' + file)
+        print 'Downloaded: ' + file
+
+# Write the flag files for compiling
+flags = ''
+flagFile = open(args.mode + '.flags', 'w+')
+if args.mode == 'release': # Release flags
+    flags += compilerArgs
+    flags += '--externs deps.js '
+    flags += '--compilation_level ADVANCED_OPTIMIZATIONS '
+    flags += '--create_source_map=' + args.output +'/chester.js.map '
+else: # Debug flags
+    flags += compilerArgs
+    flags += '--externs deps.js '
+    flags += '--compilation_level ADVANCED_OPTIMIZATIONS '
+    flags += '--formatting PRETTY_PRINT '
+    flags += '-D ENABLE_DEBUG=1 '
+    flags += '--create_source_map=' + args.output +'/chester.js.map '
+    flags += '--source_map_format=V3'
+flagFile.write(flags)
+flagFile.close()
+
+# Compile 
+compileArgs = args.python + ' '
+compileArgs += args.clib + '/closure/bin/build/closurebuilder.py '
+compileArgs += '--root ' + args.clib + ' '
+compileArgs += '--output_mode=compiled '
+compileArgs += '--output_file=' + args.output + '/chester.js '
+compileArgs += '--compiler_jar=' + args.ccompiler + '/' + args.cjar + ' '
+compileArgs += '--root=chesterGL/ '
+if args.mode == 'release':
+    compileArgs += '--compiler_flags="--flagfile=release.flags" '
+else:
+    compileArgs += '--compiler_flags="--flagfile=debug.flags" '
+
+for file in src:
+    compileArgs += '-i ' + file + ' '
+
+if subprocess.call(compileArgs, shell=True) != 0:
+    print '================================'
+    print 'We had an error during the compile process.'
+    sys.exit()
+
+# If debug, add source mapping comment to compiled file.
+if args.mode == 'debug':
+    jsFile = open(args.output + '/chester.js', 'a+')
+    jsFile.write('//@ sourceMappingURL=chester.js.map');
+    jsFile.close()
+
+# Generate doc?
+if args.docs:
+    docs = args.java + ' '
+    docs += '-jar ' + args.jsdoc + '/jsrun.jar ' + args.jsdoc + '/app/run.js -w -version 170 -v -a '
+    docs += '-t=' + args.jsdoc + '/templates/jsdoc ' 
+    src.insert(0, 'chesterGL/docs.js')
+    for file in src:
+        docs += file + ' '
+    docs += '-d=' + args.output + '/docs'
+    if subprocess.call(docs, shell=True) != 0:
+        print '================================'
+        print 'We had an error during the compile process.'
+        sys.exit()
+
+print '================================'
+print 'Completed.'