ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_Project_el17sdl_v2

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

SnakeTail/SnakeTail.cpp@14:4356797fd16e, 2020-05-24 (annotated)

Committer:
sdlashmar
Date:
Sun May 24 15:27:53 2020 +0000
Revision:
14:4356797fd16e
Parent:
11:c4b740a970f8 
FINISHED VERSION BEFORE TRYING TO IMPLEMENT TAIL COLLISION FUNCTION

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sdlashmar 5:256e5e0b6cd7 1 #include "SnakeTail.h"
sdlashmar 5:256e5e0b6cd7 2
sdlashmar 5:256e5e0b6cd7 3 SnakeTail::SnakeTail()
sdlashmar 5:256e5e0b6cd7 4 {
sdlashmar 5:256e5e0b6cd7 5
sdlashmar 5:256e5e0b6cd7 6 }
sdlashmar 5:256e5e0b6cd7 7
sdlashmar 5:256e5e0b6cd7 8 SnakeTail::~SnakeTail()
sdlashmar 5:256e5e0b6cd7 9 {
sdlashmar 5:256e5e0b6cd7 10
sdlashmar 5:256e5e0b6cd7 11 }
sdlashmar 14:4356797fd16e 12 /* The snake tail is drawn as individual segments
sdlashmar 14:4356797fd16e 13 coordinates for each segment are stored in two arrays
sdlashmar 14:4356797fd16e 14 this update function iterates through the segments and changes
sdlashmar 14:4356797fd16e 15 the coordinates to the previous segments
sdlashmar 14:4356797fd16e 16 */
sdlashmar 11:c4b740a970f8 17 void SnakeTail::update(Vector2D prevHead, int length)
sdlashmar 5:256e5e0b6cd7 18 {
sdlashmar 11:c4b740a970f8 19 _length = length;
sdlashmar 11:c4b740a970f8 20 _x_init = prevHead.x;
sdlashmar 11:c4b740a970f8 21 _y_init = prevHead.y;
sdlashmar 11:c4b740a970f8 22 //printf("x_init = %i\n", _x_init);
sdlashmar 11:c4b740a970f8 23 //printf("y_init = %i\n", _y_init);
sdlashmar 11:c4b740a970f8 24 prevX = tailX[0];
sdlashmar 11:c4b740a970f8 25 prevY = tailY[0];
sdlashmar 11:c4b740a970f8 26 tailX[0] = _x_init;
sdlashmar 11:c4b740a970f8 27 tailY[0] = _y_init;
sdlashmar 14:4356797fd16e 28
sdlashmar 11:c4b740a970f8 29 for(int i = 1; i < _length; i++) {
sdlashmar 14:4356797fd16e 30 //stores the current x and y coordinates
sdlashmar 11:c4b740a970f8 31 prev2X = tailX[i];
sdlashmar 11:c4b740a970f8 32 prev2Y = tailY[i];
sdlashmar 14:4356797fd16e 33 //updtes the current coordinates so the are the same as i-1
sdlashmar 7:c67a5c6a874f 34 tailX[i] = prevX;
sdlashmar 7:c67a5c6a874f 35 tailY[i] = prevY;
sdlashmar 14:4356797fd16e 36 //sets previous x and y to the original coordinates for this i
sdlashmar 11:c4b740a970f8 37 prevX = prev2X;
sdlashmar 11:c4b740a970f8 38 prevY = prev2Y;
sdlashmar 7:c67a5c6a874f 39 }
sdlashmar 14:4356797fd16e 40
sdlashmar 14:4356797fd16e 41 /*debugging print statements to make sure the array is being updated correctly
sdlashmar 14:4356797fd16e 42 for (int l = 0; l < _length; l++) {
sdlashmar 11:c4b740a970f8 43 printf("i = %i\n", l);
sdlashmar 11:c4b740a970f8 44 printf("tailX[i] = %i\n", tailX[l]);
sdlashmar 11:c4b740a970f8 45 printf("tailY[i] = %i\n", tailY[l]);
sdlashmar 11:c4b740a970f8 46 }*/
sdlashmar 5:256e5e0b6cd7 47 }
sdlashmar 11:c4b740a970f8 48
sdlashmar 11:c4b740a970f8 49
sdlashmar 11:c4b740a970f8 50
sdlashmar 7:c67a5c6a874f 51 void SnakeTail::draw(N5110 &lcd, int length) {
sdlashmar 7:c67a5c6a874f 52 int _length = length;
sdlashmar 11:c4b740a970f8 53 for(int j = 0; j < _length; j++) {
sdlashmar 7:c67a5c6a874f 54 lcd.drawRect(tailX[j], tailY[j], 2, 2, FILL_BLACK);
sdlashmar 7:c67a5c6a874f 55 }
sdlashmar 7:c67a5c6a874f 56 }
sdlashmar 7:c67a5c6a874f 57
sdlashmar 7:c67a5c6a874f 58
sdlashmar 5:256e5e0b6cd7 59
sdlashmar 5:256e5e0b6cd7 60
sdlashmar 5:256e5e0b6cd7 61
sdlashmar 5:256e5e0b6cd7 62
sdlashmar 5:256e5e0b6cd7 63
sdlashmar 5:256e5e0b6cd7 64