fix for bug #444

core/src/processing/core/PGraphics.java

@@ -281,10 +281,10 @@ public abstract class PGraphics extends PImage implements PConstants {
   // [toxi 031031]
   // changed table's precision to 0.5 degree steps
   // introduced new vars for more flexible code
-  static final float sinLUT[];
-  static final float cosLUT[];
-  static final float SINCOS_PRECISION = 0.5f;
-  static final int SINCOS_LENGTH = (int) (360f / SINCOS_PRECISION);
+  static final protected float sinLUT[];
+  static final protected float cosLUT[];
+  static final protected float SINCOS_PRECISION = 0.5f;
+  static final protected int SINCOS_LENGTH = (int) (360f / SINCOS_PRECISION);
   static {
     sinLUT = new float[SINCOS_LENGTH];
     cosLUT = new float[SINCOS_LENGTH];
@@ -1108,10 +1108,10 @@ public abstract class PGraphics extends PImage implements PConstants {
 
 
   /** This feature is in testing, do not use or rely upon its implementation */
-  public void breakShape() {    
+  public void breakShape() {
   }
-  
-  
+
+
   public final void endShape() {
     endShape(OPEN);
   }

core/src/processing/core/PGraphics3D.java

@@ -565,15 +565,20 @@ public class PGraphics3D extends PGraphics {
     }
     float vertex[] = vertices[vertexCount];
 
-    //if (polygon.redundantVertex(x, y, z)) return;
-    if (vertexCount > 0) {
-      float pvertex[] = vertices[vertexCount-1];
-      if ((abs(pvertex[MX] - x) < EPSILON) &&
-          (abs(pvertex[MY] - y) < EPSILON) &&
-          (abs(pvertex[MZ] - z) < EPSILON)) {
-        // this vertex is identical, don't add it,
-        // because it will anger the triangulator
-        return;
+    // only do this if we're using an irregular (POLYGON) shape that
+    // will go through the triangulator. otherwise it'll do thinks like
+    // disappear in mathematically odd ways
+    // http://dev.processing.org/bugs/show_bug.cgi?id=444
+    if (shape == POLYGON) {
+      if (vertexCount > 0) {
+        float pvertex[] = vertices[vertexCount-1];
+        if ((abs(pvertex[MX] - x) < EPSILON) &&
+            (abs(pvertex[MY] - y) < EPSILON) &&
+            (abs(pvertex[MZ] - z) < EPSILON)) {
+          // this vertex is identical, don't add it,
+          // because it will anger the triangulator
+          return;
+        }
       }
     }
 

core/todo.txt

@@ -6,6 +6,9 @@ X   lerpColor(c1, c2, amt, RGB/HSB/???)
 _   test this out for a bit
 _   though that's awkward b/c colors always RGB
 _   http://processing.org/discourse/yabb_beta/YaBB.cgi?board=Suggestions;action=display;num=1160096087
+X regression in P3D that prevents point() from drawing
+X   problem is with setup_vertex() not adding similar points
+X   http://dev.processing.org/bugs/show_bug.cgi?id=444
 
 fixed earlier, bug cleaning
 X gray background in pdf (using both gl and p3d)