cleaning up math api

core/PApplet.java

@@ -1065,6 +1065,14 @@ public class PApplet extends Applet
     return (float)Math.sqrt(a);
   }
 
+  static public final float log(float a) {
+    return (float)Math.log(a);
+  }
+
+  static public final float exp(float a) {
+    return (float)Math.exp(a);
+  }
+
   static public final float pow(float a, float b) {
     return (float)Math.pow(a, b);
   }
@@ -1086,6 +1094,11 @@ public class PApplet extends Applet
     return Math.min(a, Math.min(b, c));
   }
 
+
+  static public final float lerp(float a, float b, float amt) {
+    return a + (b-a) * amt;
+  }
+
   static public final float constrain(float amt, float low, float high) {
     return (amt < low) ? low : ((amt > high) ? high : amt);
   }
@@ -1124,6 +1137,18 @@ public class PApplet extends Applet
     return (float)Math.tan(angle);
   }
 
+  static public final float asin(float angle) {
+    return (float)Math.asin(angle);
+  }
+
+  static public final float acos(float angle) {
+    return (float)Math.acos(angle);
+  }
+
+  static public final float atan(float angle) {
+    return (float)Math.atan(angle);
+  }
+
   static public final float atan2(float a, float b) {
     return (float)Math.atan2(a, b);
   }
@@ -1151,12 +1176,21 @@ public class PApplet extends Applet
   }
 
 
+  static public final float mag(float a, float b) {
+    return (float)Math.sqrt(a*a + b*b);
+  }
+
+  static public final float mag(float a, float b, float c) {
+    return (float)Math.sqrt(a*a + b*b + c*c);
+  }
+
+
   static public final float dist(float x1, float y1, float x2, float y2) {
     return sqrt(sq(x2-x1) + sq(y2-y1));
   }
 
   static public final float dist(float x1, float y1, float z1,
-                          float x2, float y2, float z2) {
+                                 float x2, float y2, float z2) {
     return sqrt(sq(x2-x1) + sq(y2-y1) + sq(z2-z1));
   }
 

core/PGraphics.java

@@ -4142,6 +4142,8 @@ public class PGraphics extends PImage implements PConstants {
       }
 
     } else {
+      //System.out.println(getClass().getName());
+      //System.out.println(getClass().getResource(filename));
       awtimage = gimmeImage(getClass().getResource(filename), force);
       if (awtimage == null) {
         awtimage = 

core/todo.txt

@@ -60,8 +60,13 @@ X do applets know when they're stopped? stop? dispose?
 X   would be good to set a param in p5 so that the thread dies
 X   if people have other threads they've spawned, impossible to stop
 
+X include a lerp()? is there one in flash?
+_   http://processing.org/discourse/yabb/YaBB.cgi?board=Programs;action=display;num=1083289030
+_   should it be called lerp or mix?
+X acos, asin, log, exp, ceil/floor, pow, mag(x,y,z)
 
 MEGABUCKET (api)
+
 _ color issues
 _   add color(gray) and color(gray, alpha)
 _     http://processing.org/discourse/yabb/YaBB.cgi?board=Proce55ing_Software;action=display;num=1074180764
@@ -78,9 +83,6 @@ _ include in the docs: don't override stop()
 _   or handle this some more intelligent way, super.stop() is needed.
 _   http://processing.org/discourse/yabb/YaBB.cgi?board=Syntax;action=display;num=1083574943
 _   http://processing.org/discourse/yabb/YaBB.cgi?board=Syntax;action=display;num=1067383998
-_ include a lerp()? is there one in flash?
-_   http://processing.org/discourse/yabb/YaBB.cgi?board=Programs;action=display;num=1083289030
-_ acos/asin/etc? 
 _ angleMode(DEGREES) and angleMode(RADIANS)
 _   http://processing.org/discourse/yabb/YaBB.cgi?board=Proce55ing_Software;action=display;num=1075507381;start=0
 _ figure out how to handle cached images, multiple images
@@ -100,7 +102,9 @@ _   append/unappend (no push/pop), shift/unshift,
 _   slice, splice, reverse, concat, split
 _ more blend() modes? (the five listed on the thread below?)
 _   http://processing.org/discourse/yabb/YaBB.cgi?board=Proce55ing_Software;action=display;num=1082056702
+_   seems like semi-standard modes
 _ update() mode needs to be hacked in (?)
+_ make 'online' a boolean
 
 
 _ illustrator export / rendering mode
@@ -215,6 +219,7 @@ CORE / PGraphics
    1 _     http://processing.org/discourse/yabb/YaBB.cgi?board=Proce55ing_software_bugs;action=display;num=1083221401;start=0
    1 _   scaled ellipse showing up as a hexagon
    1 _     http://processing.org/discourse/yabb/YaBB.cgi?board=Proce55ing_software_bugs;action=display;num=1083674213
+   1 _     http://processing.org/discourse/yabb/YaBB.cgi?board=Syntax;action=display;num=1084652597;start=0
    1 _   problem with the fill
    1 _     http://processing.org/discourse/yabb/YaBB.cgi?board=Proce55ing_software_bugs;action=display;num=1077834735
    1 _   z values not set properly on ellipses?

todo.txt

@@ -4,8 +4,10 @@ X   http://processing.org/discourse/yabb/YaBB.cgi?board=Proce55ing_software_bugs
 X fixed one bug in PdeRuntime error message stuff 
 X   was this the big one? a big one?
 
+040713
+X fixes to line and curve code
 
-_ line fade out gradient bug.. is this an easy fix?
+_ terrible loadImage bug.. does it affect loadStrings?
 
 _ "save as" needs to update the editorheader