Position in Scratch.

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Presentation transcript:

Position in Scratch

Position on the Stage! In Scratch, the sprites perform the commands you give them on the stage. You can control the position of the sprites on the stage.

Position on the Stage! X-Axis Y-Axis In Scratch, the stage is actually a big X/Y coordinate plane. Like a graph! The position of the sprite is a combination of its position on the X-axis and its position on the Y-axis.

180 240 -240 -180 Position on the Stage! The x-axis (side to side) goes from -240 to 240. The y-axis (up and down) goes from -180 to 180. To describe a position on the stage, give its position on the x-axis followed by its position on the y-axis, in parentheses. Example: (120, -90)

Position on the Stage! 180 -240 240 -180 In Scratch, the sprite usually begins at the center of the stage. Its position is (0,0).

180 -240 240 -180 1) Where will the sprite be on the stage if its position is (240,180)?

180 -240 240 -180 2) Where will the sprite be on the stage if its position is (-60,90)?

180 -240 240 -180 3) Where will the sprite be on the stage if its position is (120,180)?

180 -240 240 -180 Estimate the sprite’s position: (0,75)

180 -240 240 -180 Estimate the sprite’s position: (150,-90)

With the time that’s left… Begin the Position in Scratch worksheet.