starting:examples:ponggp
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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starting:examples:ponggp [2017/10/02 05:27] simplesi |
starting:examples:ponggp [2017/10/02 05:47] (current) simplesi |
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| ====== PongGP ====== | ====== PongGP ====== | ||
| - | This is a copy of the original Scratch Pong game, re-written in GP to show some of the differences and simularities between Scratch code and GP code | + | This is a copy of the original Scratch Pong game, re-written in GP to show some of the differences and similarities between Scratch and GP |
| + | {{:starting:examples:ponggp:screen1.png|}} | ||
| There are 3 main differences between the two sets of code | There are 3 main differences between the two sets of code | ||
| - The stage has been replaced by a single instance consisting of a red line | - The stage has been replaced by a single instance consisting of a red line | ||
| - | - The costumes for the ball,padd and redline are drawn by GP itself | + | - The costumes for the ball,paddle and redline are drawn by GP itself |
| - The forever loops have been replaced by while loops with waits at the end of the loops | - The forever loops have been replaced by while loops with waits at the end of the loops | ||
| - The bouncing off the paddle code has been changed to reflect the difference in directions between Scratch and GP | - The bouncing off the paddle code has been changed to reflect the difference in directions between Scratch and GP | ||
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| ===== paddle ===== | ===== paddle ===== | ||
| {{:starting:examples:ponggp:paddle1.png |}} Creates the paddle image and moves it near bottom of screen | {{:starting:examples:ponggp:paddle1.png |}} Creates the paddle image and moves it near bottom of screen | ||
| - | {{:starting:examples:ponggp:paddle2.png |}}Make the paddle track the mouseX position in the equivalent of a forever loop | + | ---- |
| - | + | {{:starting:examples:ponggp:paddle2.png |}}Make the paddle track the mouseX position in the equivalent of a forever loop. Notice the need for a wait (for screen refresh) at the end of the loop | |
| + | ===== ball ===== | ||
| + | {{:starting:examples:ponggp:ball1.png |}}Create the ball image by first setting whole image to transparent and then filling a circle in the middle of it | ||
| + | ---- | ||
| + | {{:starting:examples:ponggp:ball2.png |}}Move the ball to the top of the screen, point it in a random downwards direction and just wait until it touches the redline | ||
| + | ---- | ||
| + | {{:starting:examples:ponggp:ball3.png |}}Loop moving the ball 4 steps, bouncing off the edges if needed | ||
| + | ---- | ||
| + | {{:starting:examples:ponggp:ball4.png |}}The main script in the program.\\ Loop and if the the ball touches the paddle, change its direction to bounce off it (and add a bit of randomness to it) | ||
starting/examples/ponggp.1506936440.txt.gz · Last modified: 2017/10/02 05:27 by simplesi
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