Max Houghton / Ball

Class containing methods to draw a ball within the maze game with the specified position, size and fill style parameters.

Ball.cpp@1:ba8bb10ebd5a, 2017-04-07 (annotated)

Committer:
el15mh
Date:
Fri Apr 07 10:29:08 2017 +0000
Revision:
1:ba8bb10ebd5a
Parent:
0:4c58ed26b6ea
Child:
2:bcb96ab2848b
whole program basic with menu interface

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el15mh 0:4c58ed26b6ea 1 //
el15mh 0:4c58ed26b6ea 2 // ball.cpp
el15mh 0:4c58ed26b6ea 3 //
el15mh 0:4c58ed26b6ea 4 //
el15mh 0:4c58ed26b6ea 5 // Created by Max Houghton on 19/03/2017.
el15mh 0:4c58ed26b6ea 6 //
el15mh 0:4c58ed26b6ea 7 //
el15mh 0:4c58ed26b6ea 8
el15mh 0:4c58ed26b6ea 9 #include "Ball.h"
el15mh 0:4c58ed26b6ea 10
el15mh 0:4c58ed26b6ea 11 Ball::Ball()
el15mh 0:4c58ed26b6ea 12 {
el15mh 0:4c58ed26b6ea 13
el15mh 0:4c58ed26b6ea 14 }
el15mh 0:4c58ed26b6ea 15
el15mh 0:4c58ed26b6ea 16 Ball::~Ball()
el15mh 0:4c58ed26b6ea 17 {
el15mh 0:4c58ed26b6ea 18
el15mh 0:4c58ed26b6ea 19 }
el15mh 0:4c58ed26b6ea 20
el15mh 1:ba8bb10ebd5a 21 void Ball::init(int x, int y, int radius)
el15mh 1:ba8bb10ebd5a 22 {
el15mh 1:ba8bb10ebd5a 23 // properties of ball are set with values passed down from engine
el15mh 1:ba8bb10ebd5a 24 _x = x;
el15mh 1:ba8bb10ebd5a 25 _y = y;
el15mh 1:ba8bb10ebd5a 26 _radius = radius;
el15mh 0:4c58ed26b6ea 27
el15mh 1:ba8bb10ebd5a 28 velocity.x = SPEED; // arbitrary speed of moving 1 pixel per update
el15mh 1:ba8bb10ebd5a 29 velocity.y = SPEED;
el15mh 0:4c58ed26b6ea 30
el15mh 1:ba8bb10ebd5a 31 // printf("INPUT: x = %i, y = %i, radius = %i \n", x, y, radius);
el15mh 1:ba8bb10ebd5a 32 // printf("DRAW FUNCTION: x = %f, y = %f, radius = %f \n", _x, _y, _radius);
el15mh 0:4c58ed26b6ea 33 }
el15mh 0:4c58ed26b6ea 34
el15mh 1:ba8bb10ebd5a 35 void Ball::update()
el15mh 1:ba8bb10ebd5a 36 {
el15mh 1:ba8bb10ebd5a 37 // new coordinates for the centre of the ball
el15mh 1:ba8bb10ebd5a 38 _x += velocity.x;
el15mh 1:ba8bb10ebd5a 39 _y += velocity.y;
el15mh 1:ba8bb10ebd5a 40
el15mh 1:ba8bb10ebd5a 41 }
el15mh 0:4c58ed26b6ea 42
el15mh 1:ba8bb10ebd5a 43 void Ball::draw(N5110 &lcd)
el15mh 1:ba8bb10ebd5a 44 {
el15mh 1:ba8bb10ebd5a 45 lcd.drawCircle(_x, _y, _radius, FILL_BLACK);
el15mh 1:ba8bb10ebd5a 46 }