Diff: rigidLoop.cpp

Revision:

24:4e52031a495b

Parent:

22:d87317d7ca91

Child:

25:74cb85b85fd2

--- a/rigidLoop.cpp	Wed Jun 13 10:09:41 2012 +0000
+++ b/rigidLoop.cpp	Mon Jun 18 08:00:57 2012 +0000
@@ -75,7 +75,7 @@
             setColor(0x04);
 
             // default (initial) shape (the scafold belongs to the base class):
-            saccadeRadius=25;
+            saccadeRadius=40;
             bluePrint.buildCircularScafold(saccadeRadius, vector2Dd(0,0), 18); //(float _radius, vector2D _pos,vector2D _vel, int _numScafoldPoints);
 
             // Note: We may assume NO MASS for the center of the contour following loop. Adding mass may be interesting though (smooth motion).
@@ -107,12 +107,12 @@
             //setColor(0x07);//0x04+0x02>>i);
             setColor(0x04);
 
-            saccadeRadius=40+rand()%20;
+            saccadeRadius=65;//+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=0.0008+0.000005*(rand()%100);
+            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
 
@@ -164,6 +164,17 @@
    pointMass::setWallLimits(mmix+10, mmiy+10, mmax-10, mmay-10);
 }
 
+void rigidLoop::speedFactor(float speedfactor) {
+  // in case of spot following:
+  speedContourFollowing*=speedfactor; 
+  
+  // in case of bouncing, there are many ways to change the speed (play with the mass, damping or the bouncing force). 
+   //centerMass.mass/=speedfactor;//0.0008;//+0.000005*(rand()%100);
+   centerMass.dampMotion/=speedfactor;//0.00045;//0.00015;//00003;
+   //factorBouncingForce=0.0018; // this is because we will use a force on the central mass
+
+  
+}
 
 void rigidLoop::update() {
 
@@ -286,10 +297,16 @@
             
             // 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);
+            
+            // or "radial gravity":
             vector2Df centerAttraction(CENTER_AD_MIRROR_X, CENTER_AD_MIRROR_X); 
             vector2Df dist=centerMass.pos-centerAttraction;
-            centerMass.addForce(-dist*centerMass.mass*0.0007);
+            centerMass.addForce(dist.normalize()*centerMass.mass*0.5);
           
 
             // update dynamics for the central mass::