//  
  // GeoScript-Datei vectoraddition.script
  //  


  // Systemvariablen 
  // ===============
  //  
  snapToGrid = true
  showGrid = true
  gridSize = 10

  // Figurenbeschreibung 
  // =================== 
  //  
e[1] = O;	point;	fixed;		0.0, 0.0;	"hidden" 
e[2] = _xe;	point;	fixed;		1.0, 0.0;	"hidden"
e[3] = _ye;	point;	fixed;		0.0, 1.0;	"hidden"
e[4] = _KO;	point;	coordSystem;	O, O, _xe, O, _ye, 1000, 1000, 1000, 1000;	"hidden" 
e[5] = xa;	line;	straightLine;	O, _xe;	"hidden" 
e[6] = ya;	line;	straightLine;	O, _ye;	"hidden" 
e[7] = C1;	point;	dragable;	-5.0, -1.0;	"hideLabel" 
e[8] = C2;	point;	dragable;	-8.0, -1.0;	"hideLabel" 
e[9] = c;	line;	vector;		C1, C2;	
e[10] = A1;	point;	dragable;	6.0, -1.0;		"hideLabel" 
e[11] = A2;	point;	functionDepend;	"coordinateX(A1)+4", "coordinateY(A1)+3";		"hideLabel" 
e[12] = u;	measure;controller;	2.0, 0.05, -5.0, 5.0, 150, "u = ", "";	
e[13] = ua;	point;	functionDepend;	"coordinateX(A1)+calculate(u)*(coordinateX(A2)-coordinateX(A1))", "coordinateY(A1)+calculate(u)*(coordinateY(A2)-coordinateY(A1))";	
e[14] = v1;	line;	vector;		A1, ua;		0;0;gray;0;
e[15] = a;	line;	vector;		A1, A2;	
e[16] = v;	measure;controller;	1.0, 0.05, -5.0, 5.0, 150, "v = ", "";	
e[17] = B1;	point;	dragable;	3.0, 1.0;		"hideLabel" 
e[18] = B2;	point;	functionDepend;	"coordinateX(B1)-2", "coordinateY(B1)+3";		"hideLabel" 
e[19] = vb;	point;	functionDepend;	"coordinateX(B1)+calculate(v)*(coordinateX(B2)-coordinateX(B1))", "coordinateY(B1)+calculate(v)*(coordinateY(B2)-coordinateY(B1))";	
e[20] = v2;	line;	vector;		B1, vb;		0;0;gray;0;
e[21] = b;	line;	vector;		B1, B2;		
// Einheitslänge zeichnen
e[22] = P1;	point;	fixed;		3.0, -8.0;	"hidden" 
e[23] = P2;	point;	fixed;		2.0, -8.0;	"hidden" 
e[24] = 1;	line;	connect;		P1, P2;		
e[25] = P3;	point;	fixed;		2.0, -7.8;	"hidden" 
e[26] = P4;	point;	fixed;		2.0, -8.2;	"hidden" 
e[27] = l1;	line;	connect;	P3, P4;		"hideLabel"
e[28] = P5;	point;	fixed;		3.0, -7.8;	"hidden" 
e[29] = P6;	point;	fixed;		3.0, -8.2;	"hidden" 
e[30] = l2;	line;	connect;	P5, P6;		"hideLabel"
// Auswertungsbutton
e[31] = b1;	measure;button;		"Evaluation","evaluate";



  //      
  // Antwortanalyse
  // ==============
  //

<Problem>
 MAX_ANSWER = 0
 condition[1] = "calculate(u) = -1"
 condition[2] = "calculate(v) = 2"
 condition[3] = "XVector(C1,C2) = -8"
 condition[4] = "YVector(C1,C2) = 3"
 condition[5] = "XVector(C1,C2) = 8"
 condition[6] = "YVector(C1,C2) = -3"
</Problem>

<Answer 1>
 key = "condition[1] AND condition[2] AND condition[3] AND condition[4]"
 comment[1] = " Right. /n"
</Answer 1>

<Answer 2>
 key = "NOT(condition[1]) AND NOT(condition[2])"
 comment[1] = " Your answer is not right. /n The values u and v are wrong. /n Just try again. "
</Answer 2>

<Answer 3>
 key = "NOT(condition[1]) AND condition[2]"
 comment[1] = " Your answer is partly right. /n The value v is right, but u is wrong. /n Just try again. "
</Answer 3>

<Answer 4>
 key = "NOT(condition[2]) AND condition[1]"
 comment[1] = " Your answer is partly right. /n The value u is right, but v is wrong. /n Just try again. "
</Answer 4>

<Answer 5>
 key = "condition[5] AND condition[6]"
 comment[1] = " Your answer is partly right. /n The length of vector c is right, /n but the direction is wrong. /n Just try again. "
</Answer 5>
      
<Answer 6>
 key = "condition[1] AND condition[2] AND NOT(condition[3] AND condition[4])"
 comment[1] = " Your answer is partly right. /n The values u and v are right, /n but vector c is wrong. /n Just try again. "
</Answer 6>

<Answer 7>
 key = "1"
 comment[1] = " Your answer is not right. /n Just try again. "
</Answer 7>