Beth Noake
First game
Diff: main.cpp
- Revision:
- 0:a4158fb0ba8a
diff -r 000000000000 -r a4158fb0ba8a main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Feb 11 12:40:14 2019 +0000
@@ -0,0 +1,195 @@
+//Including the microbit library
+#include "MicroBit.h"
+
+//defining points for the game to set how long runs for
+int points = 0;
+//defining co-ordinates for pixels
+int obsy = 0;
+int x = 4;
+int y = 4;
+//sets whether game is running or not
+bool gamerunning = true;
+//users lives before game ends
+int lives = 3;
+
+//
+MicroBit uBit;
+//creates random x co-ordinate
+int x2 = uBit.random(5);
+
+//collision test function
+void pointscollide()
+{
+ //if two x co-ordinates of the bottom pixels are the same
+ if (x == x2)
+ {
+ /*if points is equal to 8 then this ends the game,
+ sets game running to be false and scrolls across the screen game over
+ you win and then their points */
+ if (points == 8)
+ {
+ gamerunning = false;
+ uBit.display.scroll("Game Over, you win");
+ uBit.display.scroll(points);
+ }
+ /* if points isn't 8 then points just adds by 1 then a new pixel is
+ created in a new random location again */
+ else
+ {
+ points = points + 1;
+ x2 = uBit.random(5);
+ uBit.display.image.setPixelValue(x2, 4, 255);
+ }
+
+ }
+
+
+
+}
+//function for button pressing
+void onButton(MicroBitEvent e)
+{
+ //if button A is pressed
+ if (e.source == MICROBIT_ID_BUTTON_A)
+ {
+ /* shifts over pixel one place to the left whilst
+ getting rid of pixels original place */
+ uBit.display.image.setPixelValue(x = x - 1, y, 255);
+ if (x < 4)
+ {
+ uBit.display.image.setPixelValue(x + 1, y, 0);
+ }
+ //calls collide function to check whether collides with other pixel
+ pointscollide();
+
+
+ }
+ //if button B is pressed
+ if (e.source == MICROBIT_ID_BUTTON_B)
+ {
+ /* shifts over pixel one place to the right whilst
+ getting rid of pixels original place */
+ uBit.display.image.setPixelValue(x = x + 1, y, 255);
+ if (x > 0 )
+ {
+ uBit.display.image.setPixelValue(x - 1, y, 0);
+ }
+ //calls collide function to check whether collides with other pixel
+ pointscollide();
+
+
+ }
+}
+
+
+
+
+//running game function - for pixels moving down screen
+void play()
+{
+ //creating random x co-ordinate
+ int obsx = uBit.random(5);
+ /* loop for the size of the y axis on led
+ matrix adding one each time so that the pixel
+ can move down the screen one line at a time */
+ for (obsy = 0; obsy < 5; obsy++){
+ /* sets pixels on the screen for each y co-ordinate as it
+ increases by 1, sets pixels with x co-ordinates and then
+ deletes pixels above */
+ uBit.display.image.setPixelValue(obsx, obsy, 255);
+ if (obsx > 0)
+ {
+ uBit.display.image.setPixelValue(obsx - 1, obsy, 255);
+ }
+ if (obsy > 0)
+ {
+ uBit.display.image.setPixelValue(obsx, obsy - 1, 0);
+ }
+ if (obsx > 0 && obsy > 0)
+ {
+ uBit.display.image.setPixelValue(obsx - 1, obsy - 1, 0);
+ }
+ /* sets the speed depending on the points that
+ the user holds to show the pixels going down each line */
+ if (points > 4)
+ {
+ uBit.sleep(300);
+ }
+ else if (points > 6)
+ {
+ uBit.sleep(200);
+ }
+ else
+ {
+ uBit.sleep(600);
+ }
+
+
+ }
+ /*tests whether this pixel moving down the screen hits
+ another so it doesn't delete the points receiving pixel */
+ if (obsx == x2 || obsx - 1 == x2)
+ {
+ uBit.display.image.setPixelValue(obsx, 4, 255);
+ }
+ else
+ {
+ uBit.display.image.setPixelValue(obsx, 4, 0);
+ }
+ if (obsx < 4){
+ uBit.display.image.setPixelValue(obsx - 1, 4, 0);
+ }
+ /* If the pixel hits the pixel manually moved by the
+ buttons then lives will be decreased by 1 but if they're at 0
+ then game running set at false and displayed on screen that user
+ loses and displays points */
+ if (obsx == x || obsx - 1 == x)
+ {
+ if (lives == 0)
+ {
+ gamerunning = false;
+ uBit.display.scroll("Game over, you lose");
+ uBit.display.scroll(points);
+ }
+ else
+ {
+ lives--;
+ }
+ }
+
+ //sets obsy back to 0 so can go through the loop again setting back to start
+ obsy = 0;
+ /* recalls the function again to go through the system
+ again with pixel starting at top and moving down again */
+ play();
+}
+
+//Main function
+int main()
+{
+ // Initialise the micro:bit runtime.
+ uBit.init();
+ //sets two bottom pixels, one to be manually moved by buttons and one for the points system
+ uBit.display.image.setPixelValue(x, y, 255);
+ uBit.display.image.setPixelValue(x2, 4, 255);
+ //To connect with the buttons so it's acknowledged when one is pressed
+ uBit.messageBus.listen(MICROBIT_ID_BUTTON_A, MICROBIT_BUTTON_EVT_CLICK, onButton);
+ uBit.messageBus.listen(MICROBIT_ID_BUTTON_B, MICROBIT_BUTTON_EVT_CLICK, onButton);
+ //plays game when game running set as true but if not displays game over
+ if (gamerunning == true)
+ {
+ play();
+ }
+ else if (gamerunning == false)
+ {
+ uBit.display.scroll("Game Over");
+ uBit.display.scroll(points);
+
+ }
+ // If main exits, there may still be other fibers running or
+ // registered event handlers etc.
+ // Simply release this fiber, which will mean we enter the
+ // scheduler. Worse case, we then
+ // sit in the idle task forever, in a power efficient sleep.
+ release_fiber();
+}