### Learning Math and Coding with Robots

 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 Hardware 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: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 2

 Initial Position: ( in, in) Initial Angle: deg Current Position: (6 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 3

 Initial Position: ( in, in) Initial Angle: deg Current Position: (12 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 4

 Initial Position: ( in, in) Initial Angle: deg Current Position: (18 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

Draw the Half Moon
Problem Statement:

The pre-placed block will draw 15 stars. Create a half moon using circle blocks from drawing menu. Also, edit the loop to draw 30 stars.

/* Code generated by RoboBlockly v2.0 */
#include <chplot.h>
double x;
double y;
CPlot plot;
int count;

plot.noStrokeColor();
plot.fillColor("white");
plot.circle(28, 28, 4);
plot.fillColor(rgb2hex(0X00, 0X00, 0X66));
plot.circle(25, 27, 4);
plot.strokeColor("white");
plot.fillColor("white");
count = 0;
while(count < 30) {
x = randint(1, 35);
y = randint(1, 35);
plot.star(x, y, 0.05, 0);
count = count + 1;
}
plot.grid(PLOT_OFF);

plot.axisRange(PLOT_AXIS_XY, 0, 36);
plot.ticsRange(PLOT_AXIS_XY, 6);
plot.sizeRatio(1);
plot.plotting();
 Blocks Save Blocks Load Blocks Show Ch Save Ch Workspace
Problem Statement:

The pre-placed block will draw 15 stars. Create a half moon using circle blocks from drawing menu. Also, edit the loop to draw 30 stars.

Time