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In this example we create a Christmas Tree, with Christmas balls that will change randomly colors. We use the EasyLogo program, which uses a simplified version of Logo programming language.
The basic steps that students should follow are:
Split the tree in simpler parts
In the 1st procedure draw Christmas ball with random color
Create different procedures for each part of the crown of the tree that have Christmas balls (3 procedures of green triangles with colored balls on their edges)
Create a 5th procedure that will combine all parts into a Christmas tree (with random colored balls)
In the last procedure (6 th ) we must use a repeat loop that clears the canvas and calls the Christma tree of the previous procedure, with a small delay.
To establish a reference point for their tree, e.g. the bottom left of the tree trunk