I am going to make program small Scratch maze.

Y'all will be able to move the true cat around past using the arrow keys on your keyboard. You will not be able to go through the maze walls even if yous tried. The objective of the game is to get to the very end of the maze. So, lets get into how to create this program step by step. Get ahead and start upward the scratch editor by clicking on create. The fist affair yous volition do is download this maze image. Only right-click on it, and save information technology on your computer. You could depict it yourself past painting a new sprite.

Use this maze image.

Scratch maze.Back in the Scratch editor you can upload this image from your calculator past clicking on the upload sprite icon from the file. Move the cat out of the way, and arrange the maze imagine to be in the center of the stage. The true cat is way too big for this image. Y'all will have to grab the compress tool and then click several times on the cat to shrink it downward. It should look like this. Nosotros want the Scratch maze program to movement the true cat effectually whenever the player presses on the arrow keys on the keyboard. And so, in the chocolate-brown events category grab "when light-green flag clicked" block. Then from the yellow Controls category grab the forever block. This will run through the code that is within its rima oris forever. Nosotros want it to check if a arrow key is being held down. Catch the if-then block and from the low-cal blue sensing category grab the key pressed cake, and fit it inside the condition socket for that if block. In the driblet-down menu choose left arrow central. To actually move the cat sprite, go to the dark blue motion category and grab the "change x past" block. And since we are changing the x coordinate to go left, we need to have this be a negative number. I say, -4. Nosotros could go dorsum and add all those cake for other arrow directions, but I am going to make a pocket-size shortcut for this Scratch maze. Right click on the "if-and so" block and select duplicate. That will give u.s.a. a nice duplicate prepare of all the blocks already. And all y'all have to practice now is change it to "right arrow" and since we are moving the right management, change the 10 past 4, instead of -4. Duplicate the "if-then" cake all over again, and modify the final to "if-and then" cake to command the upwardly pointer and the down arrow. Besides, delete the "change ten past" blocks to "modify them to "change y past" blocks. They are responsible for the y coordinate movement. For the up arrow direction change it by four, and for the downwards direction modify it by -4.

Test the maze game oftentimes.

Scratch maze.

Examination the program out.

  • You should be able to move the cat to all management, but nosotros don't the cat to be able to move around right through the walls.
  • Also, the cat looks for stiff simply gliding around. Nosotros are going to add walking animation too.
  • Click on the red cease button to stop the program. Lets besides take the true cat to always start at the beginning of the maze when the program first starts upward.
  • Motility the true cat at the showtime of the maze, and so go to the night blue Motion category. Add one "become to x y" block correct earlier the "forever" loop. The coordinates for this block will be already set.

How to Animate the Scratch Maze Cat

Now to animate the Scratch maze true cat, the sprite comes with ii unlike costumes. Click on the costumes tab in the center to see them.

how-to-animate-the-scratch-maze-cat

  • When you lot switch between these two costumes to get a walking animation.
  • There are programming blocks that can switch costumes. They will be under the purple Looks category.
  • Grab the "adjacent costume" block and put one of this block within each "if-and so" block.
  • Now when you click on the green flag, the true cat has a overnice walking animation.
  • At present nosotros desire to make a programme that volition not let the true cat laissez passer right through the walls. In a way nosotros will do that is by checking if the cat is touching the black color of the walls. And if so, nosotros volition cancel out whatever motion it makes that allows it to laissez passer through.
  • Within the first "if-and then" block add a new control "if-and then" block from the Control section. This will check if the true cat sprite is touching the black maze wall. In the sensing category, grab the "touching colour" cake and insert information technology. Nosotros desire to gear up it that – if the cat is touching the black color. To do so, click on the color box and then click on the black of the maze walls, right 1 the stage.
  • To undo the leftward movement that true cat makes, because the user pressed the left arrow key, add one "change x by" block. Except this block will change x by iv. So, when the user presses the left arrow, the cat moves to the left, but if the cat ends up touching the black maze wall, because of moving to the left, we will accept it annul that by just moving back iv pixels to the correct. Practise this for each direction.
  • Awesome, you have created a Scratch maze!

Video Walkthrough Tutorial created by a Smart Immature Scratch Coding Kid

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