Diff: classRigidScafold.cpp

Revision:

0:df6fdd9b99f0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/classRigidScafold.cpp	Tue Dec 02 04:39:15 2014 +0000
@@ -0,0 +1,56 @@
+#include "classRigidScafold.h"
+ 
+ RigidScafold::RigidScafold() {
+ }
+ 
+ RigidScafold::~RigidScafold() {
+ }
+ 
+
+ void  RigidScafold::buildCircularScafold(float _radius, vector2Dd _pos, int _numScafoldPoints) {
+    sizeScafold=_radius;
+    centerScafold=_pos;
+    scafold.resize(_numScafoldPoints);
+    float angInc= 2.0 * PI / _numScafoldPoints;
+    float ang=0;
+    for (int i = 0; i < scafold.size(); i++) {
+        scafold[i]= vector2Dd( cos(ang)* _radius, sin(ang)* sizeScafold )   + centerScafold; 
+        // note: I cannot do vector2Dd( cos(ang), sin(ang) ) * _radius because vector2Dd would give (0,0)
+        ang+=angInc;
+    }
+}
+
+// Modifying the scafold (resizing, rotating): 
+// Note: in case of elastic loop, the mass-loop may be reinitialized or not (if the rigid loop is used as "attractor" only):
+
+ void  RigidScafold::resizeDimensionScafold(float _newSize) {
+    resizeFactorDimensionScafold(_newSize/sizeScafold);
+    sizeScafold=_newSize;
+ }
+
+ void  RigidScafold::resizeFactorDimensionScafold(float _factor) {
+    for (int i = 0; i < scafold.size(); i++) {
+        scafold[i] = ( scafold[i]-centerScafold)*_factor+centerScafold; 
+    }
+    sizeScafold*=_factor;
+}
+
+void RigidScafold::rotateScafold(float alphadeg) { 
+// note: rotate around the centerScafold:
+    for (int i = 0; i < scafold.size(); i++) {
+        scafold[i]=(scafold[i]-centerScafold).getRotatedRad(alphadeg)+centerScafold;
+    }
+}
+  
+ void  RigidScafold::buildLine(float _length, float _angleDeg, vector2Dd _pos, int _numScafoldPoints) {
+   scafold.resize(_numScafoldPoints);
+   vector2Dd auxStep = vector2Dd(_length * cos(_angleDeg/180.0 * PI)/_numScafoldPoints, sin(_length * _angleDeg/180.0 * PI)/_numScafoldPoints ) ;
+    for (int i = 0; i < scafold.size(); i++) {
+        scafold[i]= auxStep * i + _pos;
+    }
+}
+
+  // Other functions to create letters, text, etc. 
+  // ... TO DO ....
+  
+ 
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