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RoboBlockly for Learning Math and Coding

Piano
Linkbot Image Mindstorm Image Cursor Image
0x36302418126y36302418126
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
Labels: x-axis y-axis Show Grid
Grid: 12x12 inches 24x24 inches 36x36 inches
72x72 inches 96x96 inches 192x192 inches
Quad: 4 Quadrants 1 Quadrant 1&4 Quadrants
Units: US Customary Metric
Background: Background Image

Robot 1

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

Robot 2

Linkbot
Mindstorm
Initial Position:
( in, in)
Initial Angle:
deg
Current Position: (6 in, 0 in)
Current Angle: 90 deg
Wheel Radius:
Track Width:
in

Robot 3

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

Robot 4

Linkbot
Mindstorm
Initial Position:
( in, in)
Initial Angle:
deg
Current Position: (18 in, 0 in)
Current Angle: 90 deg
Wheel Radius:
Track Width:
in
Animate a Ring
/* Code generated by RoboBlockly v2.0 */
#include <chplot.h>
double i;
double j;
CPlot plot;

plot.grid(PLOT_OFF);
plot.backgroundColor("white");
// we use the loop to create the animation
// the i loop is responsible for the first half
// the radius of the white circle decreases
// every time it loops
// change the "count i by 3"
// to change the speed of the animation
for(i = 1; i <= 16; i++) {
  plot.strokeColor("red");
  plot.fillColor("red");
  plot.circle(18, 18, 16);
  plot.strokeColor("white");
  plot.fillColor("white");
  plot.circle(18, 18, 16 - i);
  // without delay, you can't see the animation
  delaySeconds(0.03);
}
// the j loop decreases the size of the red ring
// by increasing the radius of the white circle
for(j = 1; j <= 16; j++) {
  plot.strokeColor("red");
  plot.fillColor("red");
  plot.circle(18, 18, 16);
  plot.strokeColor("white");
  plot.fillColor("white");
  plot.circle(18, 18, j);
  delaySeconds(0.03);
}
plot.backgroundColor("white");

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, 0, 36);
plot.ticsRange(PLOT_AXIS_XY, 6);
plot.sizeRatio(1);
plot.plotting();
Load Blocks
Hardware
LArduino
Workspace Show Ch Save File
Problem Statement:
The pre-placed blocks animate the ring increasing and decreasing in size. Experiment with the code blocks and see what each part of the code does. Try slowing down the animation.

		
Rubbish bin
Time