Page 101 - Trackpad_V2.1_Class4
P. 101

Step  2    Drag a         set pen color to         block into the scripts area.

                 Step  3    Drag a         set pen size to 5   block into the scripts area and change

                           the size to 5.

                 Step  4    Drag a         pen down       block.
                 Step  5    Drag on move 10 steps block and change it to  move 50             steps .

                 Step  6    Now, drag       Change pen color         by 10   block to change the pen colour.

                 Step  7    Then again, move 50 steps by dragging the move 10 steps block and change it to
                            move 50      steps .

                 Step  8    Change the pen colour again by using the           Change pen color         by 10
                           block.

                 Step  9    At last, move 50 steps by dragging the move 10 steps block and changing

                           the steps to  move 50       steps .

                 Step 10   Click the green flag at the top right corner of the stage to run your program.

                               when  clicked
                                   set pen color to
                                   set pen size to 5
                                   pen down
                               move 50   steps
                                 Change pen color    by 10
                               move 50   steps
                                 Change pen color    by 10
                               move 50   steps




                         uiz   Bee        Which block erases everything drawn by the pen?

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                           DRAWING SHAPES USING CONTROL BLOCKS

                 The shapes can also be drawn using different Control blocks.


                 REPEAT BLOCK
                 If you want to repeat a block of code a fixed number of times, the Repeat block is used.

                 With the Repeat block, you can draw Polygons. Examples of polygons are triangle, square,
                 pentagon, hexagon, heptagon, octagon, nonagon, decagon, etc.


                                                                                         Drawing Shapes in Scratch  99
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