0x126-6-12y126-6-12
Grid:
Tics Lines:
Width px
Hash Lines:
Width px
Labels:
Font px
Trace Lines:
Robot 1:
Width px
Robot 2:
Width px
Robot 3:
Width px
Robot 4:
Width px
Axes: x-axis y-axis Show Grid
Grid: 24x24 inches 36x36 inches 72x72 inches
96x96 inches 192x192 inches
Quad: 4 quadrants 1 quadrant
Units: US Customary Metric
Background:

Robot 1

Initial Position:
( in, in)
Initial Angle:
deg
Current Position: (0 in, 0 in)
Current Angle: 90 deg
Wheel Radius:
Track Width:
in

Robot 2

Initial Position:
( in, in)
Initial Angle:
deg
Current Position: (4 in, 0 in)
Current Angle: 90 deg
Wheel Radius:
Track Width:
in

Robot 3

Initial Position:
( in, in)
Initial Angle:
deg
Current Position: (8 in, 0 in)
Current Angle: 90 deg
Wheel Radius:
Track Width:
in

Robot 4

Initial Position:
( in, in)
Initial Angle:
deg
Current Position: (12 in, 0 in)
Current Angle: 90 deg
Wheel Radius:
Track Width:
in

Count the Number of Passing Cars
Problem Statement:
The program animates a random number of cars passing. Click run and count how many cars pass and input the number when prompted.
/* Code generated by RoboBlockly v2.0 */
/* Problem Statement: 
    The program animates a random number of cars passing. Click
    run and count how many cars pass and input the number when
    prompted.*/
#include <chplot.h>

CPlot plot;
int count;

// Describe this function...
void start() {
  double randomnum;
  double d;
  randomnum = 5;
  count = 0;
  while(count < randomnum) {
    for(d = -12; d <= 12; d += 0.6) {
      //plot.backgroundImage("rainbow.png");
      plot.noStrokeColor();
      plot.fillColor("#33cc00");
      plot.rectangle(-12, -12, 24, 11);
      plot.fillColor("#999999");
      plot.rectangle(-12, -9, 24, 6);
      plot.strokeColor("white");
      plot.strokeWidth(4);
      plot.line(-12, -6, 12, -6);
      plot.noStrokeColor();
      plot.strokeWidth(2);
      plot.fillColor("cyan");
      plot.rectangle(d, -7, 7, 3);
      plot.fillColor("#3333ff");
      plot.circle(d + 2, -7, 1);
      plot.circle(d + 5, -7, 1);
      delaySeconds(0.03);
    }
    count = count + 1;
  }
}

randint(2, 10);

// sample solution
printf("Please count the number of cars passed by.");
start();
printf("There should be 5");

plot.label(PLOT_AXIS_XY, "");
plot.grid(PLOT_OFF);
plot.tics(PLOT_AXIS_XY, PLOT_OFF);
plot.axis(PLOT_AXIS_XY, PLOT_OFF);
plot.axisRange(PLOT_AXIS_XY, -12, 12);
plot.ticsRange(PLOT_AXIS_XY, 2);
plot.sizeRatio(1);
plot.plotting();
Blocks Save Blocks Load Blocks Show Ch Save Ch Workspace
Problem Statement:
The program animates a random number of cars passing. Click run and count how many cars pass and input the number when prompted.

		
Time