note.cpp

00001 #include "mbed.h"
00002 #include "note.h"
00003 #include "TFT_4DGL.h"
00004 
00005 #define RATIO   0.66
00006 #define minY    130
00007 #define maxY    430
00008 
00009 // extern Serial pc;
00010 extern TFT_4DGL screen;
00011 
00012 // Initate an empty note
00013 Note::Note() {
00014     // Do nothing
00015 }
00016 
00017 // Initiate the note object with a certain type
00018 Note::Note(int t) {
00019     type = t;
00020     if (t == 1) {
00021         x = 276.0;
00022         color = 0xFF0000;
00023     } else if (t == 2) {
00024         x = 314.0;
00025         color = 0x00FF00;
00026     } else if (t == 3) {
00027         x = 358.0;
00028         color = 0x0000FF;
00029     }
00030     y = 130.0;
00031     w = 12.0;
00032     h = w * RATIO;
00033     speed = 38.0;
00034     consumed = 0;
00035 }
00036 
00037 Note::~Note() {
00038     // deletes the node  
00039 }
00040 
00041 void Note::updatePosition() {
00042     y += speed;
00043     if (type == 1) {
00044         x += -0.14 * speed;
00045     } else if (type == 3) {
00046         x += 0.14 * speed;
00047     }
00048     w = 12.0 * (1 + (y - 130.0) / 300.0);
00049     h = w * RATIO;
00050 }
00051 
00052 void Note::drawNote() {
00053     float oldX = x;
00054     float oldY = y;
00055     float oldW = w;
00056     float oldH = h;
00057     updatePosition();
00058     screen.ellipse((int)oldX, (int)oldY, (int)oldW, (int)oldH, 0xD38A41);
00059     if (y > 420) {
00060         consumed = 1;
00061 //      delete this;
00062         return;  
00063     }
00064     screen.ellipse((int)x, (int)y, (int)w, (int)h, color);
00065 }