Index: android/core/src/processing/core/PMatrix2D.java
===================================================================
--- android/core/src/processing/core/PMatrix2D.java	(revision 6414)
+++ android/core/src/processing/core/PMatrix2D.java	(working copy)
@@ -190,12 +190,12 @@
 
 
   public void skewX(float angle) {
-    apply(1, 0, 1,  angle, 0, 0);
+    apply(1, (float)Math.tan(angle), 0,  0, 1, 0);
   }
 
 
   public void skewY(float angle) {
-    apply(1, 0, 1,  0, angle, 0);
+    apply(1, 0, 0, (float)Math.tan(angle), 1, 0);
   }
 
 
@@ -423,7 +423,7 @@
 
   // TODO make this more efficient, or move into PMatrix2D
   protected boolean isWarped() {
-    return ((m00 != 1) || (m01 != 0) && 
+    return ((m00 != 1) || (m01 != 0) || // was &&, but changed so skewX and skewY will work 
             (m10 != 0) || (m11 != 1));
   }
 
Index: core/src/processing/core/PApplet.java
===================================================================
--- core/src/processing/core/PApplet.java	(revision 6414)
+++ core/src/processing/core/PApplet.java	(working copy)
@@ -8840,6 +8840,24 @@
 
 
   /**
+   * Skew along X axis
+   */
+  public void skewX(float angle) {
+    if (recorder != null) recorder.skewX(angle);
+    g.skewX(angle);
+  }
+
+
+  /**
+   * Skew along Y axis
+   */
+  public void skewY(float angle) {
+    if (recorder != null) recorder.skewY(angle);
+    g.skewY(angle);
+  }
+
+
+  /**
    * Set the current transformation matrix to identity.
    */
   public void resetMatrix() {
Index: core/src/processing/core/PGraphics2D.java
===================================================================
--- core/src/processing/core/PGraphics2D.java	(revision 6414)
+++ core/src/processing/core/PGraphics2D.java	(working copy)
@@ -1886,8 +1886,16 @@
       showDepthWarningXYZ("scale");
     }
 
+    public void skewX(float angle) {
+        ctm.skewX(angle);
+    }
 
+    public void skewY(float angle) {
+        ctm.skewY(angle);
+    }
 
+
+
     //////////////////////////////////////////////////////////////
 
     // TRANSFORMATION MATRIX
Index: core/src/processing/core/PGraphicsJava2D.java
===================================================================
--- core/src/processing/core/PGraphicsJava2D.java	(revision 6414)
+++ core/src/processing/core/PGraphicsJava2D.java	(working copy)
@@ -1221,8 +1221,15 @@
     showDepthWarningXYZ("scale");
   }
 
+  public void skewX(float angle) {
+    g2.shear(Math.tan(angle), 0);
+  }
 
+  public void skewY(float angle) {
+    g2.shear(0, Math.tan(angle));
+  }
 
+
   //////////////////////////////////////////////////////////////
 
   // MATRIX MORE
Index: core/src/processing/core/PMatrix2D.java
===================================================================
--- core/src/processing/core/PMatrix2D.java	(revision 6414)
+++ core/src/processing/core/PMatrix2D.java	(working copy)
@@ -191,12 +191,12 @@
 
 
   public void skewX(float angle) {
-    apply(1, 0, 1,  angle, 0, 0);
+    apply(1, (float)Math.tan(angle), 0,  0, 1, 0);
   }
 
 
   public void skewY(float angle) {
-    apply(1, 0, 1,  0, angle, 0);
+    apply(1, 0, 0, (float)Math.tan(angle), 1, 0);
   }
 
 
@@ -424,7 +424,7 @@
 
   // TODO make this more efficient, or move into PMatrix2D
   protected boolean isWarped() {
-    return ((m00 != 1) || (m01 != 0) && 
+    return ((m00 != 1) || (m01 != 0) || // was &&, but changed so skewX and skewY work 
             (m10 != 0) || (m11 != 1));
   }
 
Index: core/src/processing/core/PGraphics.java
===================================================================
--- core/src/processing/core/PGraphics.java	(revision 6414)
+++ core/src/processing/core/PGraphics.java	(working copy)
@@ -3763,6 +3763,19 @@
     showMissingWarning("scale");
   }
 
+  /**
+   * Skew along X axis
+   */
+  public void skewX(float angle) {
+    showMissingWarning("skewX");
+  }
+	
+  /**
+   * Skew along Y axis
+   */
+  public void skewY(float angle) {
+    showMissingWarning("skewY");
+  }
 
   //////////////////////////////////////////////////////////////
 
Index: build/shared/lib/keywords.txt
===================================================================
--- build/shared/lib/keywords.txt	(revision 6414)
+++ build/shared/lib/keywords.txt	(working copy)
@@ -497,6 +497,8 @@
 rotateZ	KEYWORD2	PShape_rotateZ_
 scale	KEYWORD2	PShape_scale_
 setVisible	KEYWORD2	PShape_setVisible_
+skewX	KEYWORD2	PShape_skewX_
+skewY	KEYWORD2	PShape_skewY_
 translate	KEYWORD2	PShape_translate_
 public	KEYWORD1	public
 pushMatrix	KEYWORD2	pushMatrix_
@@ -559,6 +561,8 @@
 shorten	KEYWORD2	shorten_
 sin	KEYWORD2	sin_
 size	KEYWORD2	size_
+skewX	KEYWORD2	skewX_
+skewY	KEYWORD2	skewY_
 smooth	KEYWORD2	smooth_
 sort	KEYWORD2	sort_
 specular	KEYWORD2	specular_