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#Bouncing balls game source code code#
Add a when this sprite clicked block to the code area.Ĥ. Attach a switch costume to bounce-1 and a go to x,y block to the code.ģ. Add a when clicked block to the sprite’s code area.Ģ. To test the costumes, create a code for the bouncing animation:ġ. These costumes will mimic the look of a ball as it bounces up and down, and "squashes" as it makes impact with the ground. With the Select tool, click and drag on the sides of the circles to make them “squash” and “stretch.” Look at the images below for examples.
Right-click the costume and duplicate it 4 times until there are costumes named "bounce-1" through "bounce-5."Ħ. Have them drag their circle toward the crosshair, and when the selection's center lines up with the crosshair, then the circle will be exactly at the center of the canvas.ĥ.
#Bouncing balls game source code how to#
Tip: If your child isn't sure how to center an object on the canvas, when you move your circle around with the Select tool, you'll see a black crosshair that marks the exact center of your canvas. Select the circle and line it up with the center of the canvas. Draw a medium-sized circle with a dark color and no outline.Ĥ. Hover over “Choose a Sprite” and click “Paint.”ģ. So, you can add multiple costumes to any sprite and give the sprite a different look or pose when it turns a certain direction (say, left or right), etc.ġ. To create a bouncing ball in Scratch, we are going to create a custom sprite that has 5 costumes.Īs a reminder for your young coder, a Scratch sprite is any image kids can create and program in the Scratch interface.Īnd then, a costume in Scratch is a unique drawing or pose of a sprite.
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