working circle and rectangle, incomplete point

SelectTest/Menu.pde

@@ -0,0 +1,50 @@
+class Menu{
+  Selector selector;
+  PShape rectButton, circleButton, neighborButton, rectIcon, circleIcon, neighborIcon;
+
+  Menu(){
+    rectButton = createShape(RECT,0,0,60,25,0,7,7,0);
+    rectIcon = createShape(RECT,20,15,40,20);
+    circleButton = createShape(RECT,0,26,60,25,0,7,7,0);
+    circleIcon = createShape(ELLIPSE,0,52,60,25,0,7,7,0);
+    neighborButton = createShape(RECT,0,52,60,25,0,7,7,0);
+    neighborIcon = createShape(RECT,0,52,60,25,0,7,7,0);
+    selector = new Selector();
+  }
+
+  void activate(int button){
+    selector.setSelectMode(button);
+  }
+
+  int onaButton(int x, int y){
+    if( 0<x && x<=60 && y>0  && y<=25){ return 1; }
+    else if( 0<x && x<=60 && y>25 && y<=51){ return 2; }
+    else if( 0<x && x<=60 && y>51 && y<=77){ return 3; }
+    else { return 0; }  
+  }
+
+  void draw(){
+    shape(rectButton);
+    shape(rectIcon);
+    shape(circleButton);
+    shape(circleIcon);
+    shape(neighborButton);
+    shape(neighborIcon);
+    selector.draw();
+  }
+
+  void mousePressed(MouseEvent e){
+    int button = onaButton(mouseX,mouseY);
+    if( button != 0 ){ activate(button); }
+    //else{ selector.startSelection(); }
+    selector.startSelection();
+  }
+
+  void mouseReleased(MouseEvent e){
+    selector.resetSelection();
+  }
+
+  void mouseDragged(MouseEvent e){
+    selector.stretchSelection();
+  }
+}

SelectTest/SelectTest.pde

@@ -0,0 +1,26 @@
+
+Menu menu;
+
+void setup(){
+
+  menu = new Menu();
+  size(800,800);
+  background(240);
+}
+
+void draw(){
+  background(240);
+  menu.draw();
+}
+
+void mousePressed(MouseEvent e){
+  menu.mousePressed(e);
+}
+
+void mouseReleased(MouseEvent e){
+  menu.mouseReleased(e);
+}
+
+void mouseDragged(MouseEvent e){
+  menu.mouseDragged(e);
+}

SelectTest/Selector.pde

@@ -0,0 +1,89 @@
+class Selector{
+  PShape selection;
+  float startX,startY, endX, endY;
+  boolean selecting, animating;
+  int select_mode;
+  float a,b,radius;
+
+  Selector(){
+    selecting = false;
+    animating = false;
+    a = 0;
+    b = 0;
+    select_mode = 1;
+    endX = -1;
+    endY = -1;     
+    selection = createShape(RECT,-1,-1,-1,-1);
+  }
+
+  void setSelectMode(int mode){
+    select_mode = mode;
+  }
+
+  void startSelection(){
+    selecting = true;
+    startX = mouseX;
+    startY = mouseY;
+    if(select_mode == 3){
+      animating = true;
+    }
+}
+
+  void resetSelection(){
+    selecting = false;
+    startX = -1;
+    startY = -1;
+    endX = -1;
+    endY = -1;    
+    a = 0;
+    b = 0;
+
+  }
+
+  void stretchSelection(){
+    if(selecting){
+      endX = mouseX-startX;
+      endY = mouseY-startY;
+    }
+  }
+
+  void draw(){
+    if(selecting){
+      switch(select_mode){
+        case 1:  selection = createShape(RECT,startX,startY,endX,endY);
+                 break;
+        case 2:  a = mouseX-startX;
+                 b = mouseY-startY;
+                 radius = sqrt(a*a+b*b);
+                 ellipseMode(RADIUS);
+                 selection = createShape(ELLIPSE,startX,startY,radius,radius);
+                 line(startX,startY,mouseX,mouseY);
+                 break;
+        case 3:  if(animating){neighborAnimation();}
+      }
+      selection.setStroke(true);
+      selection.setFill(color(251, 255, 20, 100));
+      shape(selection);
+    }
+  }
+
+  void neighborAnimation(){
+    int i;
+    int t = millis();
+    int pointRadius = 5;
+    for(i=0;i<5;i++){
+        background(240);
+        //println("done\n");
+        ellipseMode(RADIUS);
+        selection = createShape(ELLIPSE,startX,startY,pointRadius,pointRadius);
+        selection.setStroke(true);
+        selection.setFill(color(251, 255, 20, 100));
+        shape(selection);
+        pointRadius += 10;
+        while(millis()-t < 1000){
+        }
+        t = millis();
+    }
+    animating = false;
+  }  
+}