Jonne Valola / Mbed 2 deprecated ST7735_Pong

ST7735 Pong by Jonne Valola, derived work from William Johnston\'s mbed Pong for NokiaLCD / PS2 keyboard This pong uses a rotary encoder hooked to pins 21 and 22, ST7735_TFT library by me, RotaryEncoder library by Shinichiro Nakamura. All copyrights of respective owners. Use on your own risk and discretion.

Dependencies:   mbed ST7735_TFT RotaryEncoder TFT_fonts_old

ball.cpp@0:2353da390056, 2011-12-12 (annotated)

Committer:
smultron1977
Date:
Mon Dec 12 21:35:42 2011 +0000
Revision:
0:2353da390056
Original 2 hour hack

Who changed what in which revision?

UserRevisionLine numberNew contents of line
smultron1977 0:2353da390056 1 #include "mbed.h"
smultron1977 0:2353da390056 2 #include "ball.h"
smultron1977 0:2353da390056 3
smultron1977 0:2353da390056 4 Ball::Ball() {
smultron1977 0:2353da390056 5 int x=y=width=height=color=xInc=yInc=0;
smultron1977 0:2353da390056 6 }
smultron1977 0:2353da390056 7
smultron1977 0:2353da390056 8 Ball::Ball(int x, int y, int w, int h, int c, int xi, int yi)
smultron1977 0:2353da390056 9 : x(x), y(y), width(w), height(h), color(c), xInc(xi), yInc(yi) {}
smultron1977 0:2353da390056 10
smultron1977 0:2353da390056 11
smultron1977 0:2353da390056 12 /*
smultron1977 0:2353da390056 13 * Member Function move:
smultron1977 0:2353da390056 14 * Description: Colors in the previous ball black
smultron1977 0:2353da390056 15 * and moves ball to new position.
smultron1977 0:2353da390056 16 */
smultron1977 0:2353da390056 17 void Ball::move(ST7735_TFT &lcd) {
smultron1977 0:2353da390056 18 draw(lcd, true);
smultron1977 0:2353da390056 19 x += xInc; y += yInc;
smultron1977 0:2353da390056 20 }
smultron1977 0:2353da390056 21
smultron1977 0:2353da390056 22 /*
smultron1977 0:2353da390056 23 * Member Function draw:
smultron1977 0:2353da390056 24 * Description: Draws object on screen
smultron1977 0:2353da390056 25 * if isBlack, color in black.
smultron1977 0:2353da390056 26 */
smultron1977 0:2353da390056 27 void Ball::draw(ST7735_TFT &lcd, bool isBlack) const {
smultron1977 0:2353da390056 28 lcd.fillrect(x, y, x+width, y+height, (isBlack) ? 0x000000 : color);
smultron1977 0:2353da390056 29 }
smultron1977 0:2353da390056 30
smultron1977 0:2353da390056 31 int Ball::size() const {
smultron1977 0:2353da390056 32 return width*height;
smultron1977 0:2353da390056 33 }
smultron1977 0:2353da390056 34
smultron1977 0:2353da390056 35 int Ball::getX() const {
smultron1977 0:2353da390056 36 return x;
smultron1977 0:2353da390056 37 }
smultron1977 0:2353da390056 38
smultron1977 0:2353da390056 39 int Ball::getY() const {
smultron1977 0:2353da390056 40 return y;
smultron1977 0:2353da390056 41 }
smultron1977 0:2353da390056 42
smultron1977 0:2353da390056 43 bool Ball::hitX() {
smultron1977 0:2353da390056 44 return (x+width<=width) || (x+width>=160);
smultron1977 0:2353da390056 45 }
smultron1977 0:2353da390056 46
smultron1977 0:2353da390056 47 bool Ball::hitY() {
smultron1977 0:2353da390056 48 return (y<=0) || (y+height>=128);
smultron1977 0:2353da390056 49 }
smultron1977 0:2353da390056 50
smultron1977 0:2353da390056 51 /*
smultron1977 0:2353da390056 52 * Member Function hitP1:
smultron1977 0:2353da390056 53 * Description: Checks to see if there is
smultron1977 0:2353da390056 54 * a collision between paddle1 and the ball.
smultron1977 0:2353da390056 55 * Has special functionality for changing
smultron1977 0:2353da390056 56 * y-incline based on collision point.
smultron1977 0:2353da390056 57 */
smultron1977 0:2353da390056 58 bool Ball::hitP1(int _x, int _y, int _height) {
smultron1977 0:2353da390056 59 bool hit = ((_x>=x) && (xInc<0)) &&
smultron1977 0:2353da390056 60 (((_y<=y) && (_y+_height>=y+height)) ||
smultron1977 0:2353da390056 61 ((_y>=y) && (_y<=y+height)) ||
smultron1977 0:2353da390056 62 ((_y+_height>=y) && (_y+_height<=y+height))
smultron1977 0:2353da390056 63 );
smultron1977 0:2353da390056 64 if(hit) {
smultron1977 0:2353da390056 65 if(_y+_height-y < 4 && yInc>0) yInc = 2;
smultron1977 0:2353da390056 66 if(y-_y < 4 && yInc<0) yInc = -2;
smultron1977 0:2353da390056 67 else yInc = (yInc>0) ? 1 : -1;
smultron1977 0:2353da390056 68 }
smultron1977 0:2353da390056 69 return hit;
smultron1977 0:2353da390056 70 }
smultron1977 0:2353da390056 71
smultron1977 0:2353da390056 72
smultron1977 0:2353da390056 73 /*
smultron1977 0:2353da390056 74 * Member Function hitP2:
smultron1977 0:2353da390056 75 * Description: Checks to see if there is
smultron1977 0:2353da390056 76 * a collision between paddle2 and the ball.
smultron1977 0:2353da390056 77 * Has special functionality for changing
smultron1977 0:2353da390056 78 * y-incline based on collision point.
smultron1977 0:2353da390056 79 */
smultron1977 0:2353da390056 80 bool Ball::hitP2(int _x, int _y, int _height) {
smultron1977 0:2353da390056 81 bool hit = ((_x<=x+width) && (xInc>0)) &&
smultron1977 0:2353da390056 82 (((_y<=y) && (_y+_height>=y+height)) ||
smultron1977 0:2353da390056 83 ((_y>=y) && (_y<=y+height)) ||
smultron1977 0:2353da390056 84 ((_y+_height>=y) && (_y+_height<=y+height))
smultron1977 0:2353da390056 85 );
smultron1977 0:2353da390056 86 if(hit) {
smultron1977 0:2353da390056 87 if(_y+_height-y < 4 && yInc>0) yInc = 2;
smultron1977 0:2353da390056 88 if(y-_y < 4 && yInc<0) yInc = -2;
smultron1977 0:2353da390056 89 else yInc = (yInc>0) ? 1 : -1;
smultron1977 0:2353da390056 90 }
smultron1977 0:2353da390056 91 return hit;
smultron1977 0:2353da390056 92 }
smultron1977 0:2353da390056 93
smultron1977 0:2353da390056 94 void Ball::reverseX() {
smultron1977 0:2353da390056 95 xInc *= -1;
smultron1977 0:2353da390056 96 }
smultron1977 0:2353da390056 97
smultron1977 0:2353da390056 98 void Ball::reverseY() {
smultron1977 0:2353da390056 99 yInc *= -1;
smultron1977 0:2353da390056 100 }