Diff: rigidLoop.cpp

Revision:

22:d87317d7ca91

Parent:

21:bc9b9383f4b6

Child:

24:4e52031a495b

--- a/rigidLoop.cpp	Sun May 06 14:40:19 2012 +0000
+++ b/rigidLoop.cpp	Sat Jun 02 06:38:12 2012 +0000
@@ -86,7 +86,7 @@
             createLoopFromScafold();
 
             slidingDirection=true; //  For contour following (will change direction when touching wall)
-            speedContourFollowing=1.3*saccadeRadius;
+            speedContourFollowing=1.1*saccadeRadius;
             justSearched=false;
 
             // per-blob mirror delay: ONLY USEFUL FOR ELASTIC BLOBS, because otherwise it can be corrected by "angleCorrection"
@@ -107,13 +107,13 @@
             //setColor(0x07);//0x04+0x02>>i);
             setColor(0x04);
 
-            saccadeRadius=85;
+            saccadeRadius=40+rand()%20;
             // default (initial) shape (the scafold belongs to the base class):
             bluePrint.buildCircularScafold(saccadeRadius, vector2Dd(0,0), 18); //(float _radius, vector2D _pos,vector2D _vel, int _numScafoldPoints);
 
             // Numeric parameters for the simulated mechanical system:
-            massCenter=0.0012;
-            dampMotionCenterMass=0.0005;//0.00015;//00003;
+            massCenter=0.0008+0.000005*(rand()%100);
+            dampMotionCenterMass=0.00045;//0.00015;//00003;
             factorBouncingForce=0.0018; // this is because we will use a force on the central mass
 
             // Finally, we can create the loop (not much to do in this case, only set the central position, and some other things):
@@ -284,8 +284,13 @@
              
             }
             
-            // Gravity?
-            centerMass.addForce(gravity*centerMass.mass);
+            // Gravity? - side or central attraction?
+           //  centerMass.addForce(gravity*centerMass.mass); 
+            // or central spring attraction;
+            vector2Df centerAttraction(CENTER_AD_MIRROR_X, CENTER_AD_MIRROR_X); 
+            vector2Df dist=centerMass.pos-centerAttraction;
+            centerMass.addForce(-dist*centerMass.mass*0.0007);
+          
 
             // update dynamics for the central mass::
 #ifndef VERLET_METHOD
@@ -299,10 +304,8 @@
             // do collision damping:
                centerMass.setSpeed(centerMass.getSpeed()*0.99);
              }
-
-
+             
             break;
-
     }
 
     // OTHER PARTICULAR THINGS: