John Pinion / Mbed 2 deprecated Mbed_Note_Game

A note hitting game for the mbed LPC 1768. User uses a joystick to hit notes as they come down the screen in 3 different lanes.

Dependencies:   4DGL-uLCD-SE SDFileSystem mbed-rtos mbed wave_player

note.cpp@1:94b1ec213686, 2016-03-17 (annotated)

Committer:
jmpin
Date:
Thu Mar 17 21:12:59 2016 +0000
Revision:
1:94b1ec213686
Game is pretty much finished, minus the sound coming from .wav files from the SD card

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jmpin 1:94b1ec213686 1 #include "note_private.h"
jmpin 1:94b1ec213686 2 extern Serial pc;
jmpin 1:94b1ec213686 3
jmpin 1:94b1ec213686 4 NOTE note_record[MAX_NUM_NOTE];
jmpin 1:94b1ec213686 5 int note_tick=0; // Internal note tick, used to make the note move at the appropriate speed
jmpin 1:94b1ec213686 6 int note_interval = 25; // The interval on which notes are created. Higher number is more frequent
jmpin 1:94b1ec213686 7 int note_speed = 4; // The speed at which the notes travel
jmpin 1:94b1ec213686 8
jmpin 1:94b1ec213686 9 // See the comments in note_public.h
jmpin 1:94b1ec213686 10 void note_generator(void){
jmpin 1:94b1ec213686 11 note_tick++;
jmpin 1:94b1ec213686 12 // only create the notes at certain ticks
jmpin 1:94b1ec213686 13 if((note_tick % note_interval)==0 || note_tick==0){
jmpin 1:94b1ec213686 14 note_create();
jmpin 1:94b1ec213686 15 }
jmpin 1:94b1ec213686 16
jmpin 1:94b1ec213686 17 // update the notes and draw them
jmpin 1:94b1ec213686 18 note_update_position();
jmpin 1:94b1ec213686 19 }
jmpin 1:94b1ec213686 20
jmpin 1:94b1ec213686 21 // set note speed (default speed is 4)
jmpin 1:94b1ec213686 22 void set_note_speed(int speed){
jmpin 1:94b1ec213686 23 if(speed>=1 && speed<=8){
jmpin 1:94b1ec213686 24 note_speed = speed;
jmpin 1:94b1ec213686 25 }
jmpin 1:94b1ec213686 26 }
jmpin 1:94b1ec213686 27
jmpin 1:94b1ec213686 28 // set note interval (default interval is 25)
jmpin 1:94b1ec213686 29 void set_note_interval(int interval){
jmpin 1:94b1ec213686 30 if(interval>=1 && interval<=100){
jmpin 1:94b1ec213686 31 note_interval = interval;
jmpin 1:94b1ec213686 32 }
jmpin 1:94b1ec213686 33 }
jmpin 1:94b1ec213686 34
jmpin 1:94b1ec213686 35 // See the comments in note_public.h
jmpin 1:94b1ec213686 36 NOTE note_get_info(int index){
jmpin 1:94b1ec213686 37 return note_record[index];
jmpin 1:94b1ec213686 38 }
jmpin 1:94b1ec213686 39
jmpin 1:94b1ec213686 40 // See the comments in note_public.h
jmpin 1:94b1ec213686 41 void note_set_played(int index){
jmpin 1:94b1ec213686 42 note_record[index].status = NOTE_PLAYED;
jmpin 1:94b1ec213686 43 //pc.printf("Note %i has been changed to played",index); FOR DEBUGGING PURPOSES
jmpin 1:94b1ec213686 44 }
jmpin 1:94b1ec213686 45
jmpin 1:94b1ec213686 46 // See the comments in note_public.h
jmpin 1:94b1ec213686 47 void note_set_missed(int index){
jmpin 1:94b1ec213686 48 note_record[index].status = NOTE_MISSED;
jmpin 1:94b1ec213686 49 //pc.printf("Note %i has been changed to missed",index); FOR DEBUGGING PURPOSES
jmpin 1:94b1ec213686 50 }
jmpin 1:94b1ec213686 51
jmpin 1:94b1ec213686 52 // See the comments in hote_public.h
jmpin 1:94b1ec213686 53 void set_note_color(int index, int color){
jmpin 1:94b1ec213686 54 note_record[index].color = color;
jmpin 1:94b1ec213686 55 }
jmpin 1:94b1ec213686 56
jmpin 1:94b1ec213686 57 /** This function finds an empty slot of note_record, and actives it.
jmpin 1:94b1ec213686 58 */
jmpin 1:94b1ec213686 59 void note_create(void){
jmpin 1:94b1ec213686 60 int i,laneIndex;
jmpin 1:94b1ec213686 61 int startingPoints[3] = {22,65,108}; // The three possibilities for the X coordinate of the center of the note
jmpin 1:94b1ec213686 62 int colors[3] = {0xFFFF00,RED,GREEN}; // The three possibilities for the color of the note
jmpin 1:94b1ec213686 63 for(i=0;i<MAX_NUM_NOTE;i++){
jmpin 1:94b1ec213686 64 if(note_record[i].status == NOTE_DEACTIVE){ // Only create new notes in a space where there is a deactive note
jmpin 1:94b1ec213686 65 laneIndex = (rand() % 3); // Randomly choose which lane to put the note in
jmpin 1:94b1ec213686 66 note_record[i].y = 0; // Initialize the note's Y value
jmpin 1:94b1ec213686 67 //each note has its own tick
jmpin 1:94b1ec213686 68 note_record[i].tick = 0;
jmpin 1:94b1ec213686 69 //set a random source for the note
jmpin 1:94b1ec213686 70 note_record[i].source_x = startingPoints[laneIndex];
jmpin 1:94b1ec213686 71 note_record[i].lane = laneIndex;
jmpin 1:94b1ec213686 72 //pc.printf("Note %i is in lane %i \n\r",i,laneIndex); FOR DEBUGGING PURPOSES
jmpin 1:94b1ec213686 73 //set appropriate color for note
jmpin 1:94b1ec213686 74 note_record[i].color = colors[laneIndex];
jmpin 1:94b1ec213686 75 //the note starts at its source
jmpin 1:94b1ec213686 76 note_record[i].x = note_record[i].source_x;
jmpin 1:94b1ec213686 77 //the note must be set to active
jmpin 1:94b1ec213686 78 note_record[i].status = NOTE_ACTIVE;
jmpin 1:94b1ec213686 79 break;
jmpin 1:94b1ec213686 80 }
jmpin 1:94b1ec213686 81 }
jmpin 1:94b1ec213686 82 }
jmpin 1:94b1ec213686 83
jmpin 1:94b1ec213686 84 /** This function update the position of all notes and draws them
jmpin 1:94b1ec213686 85 */
jmpin 1:94b1ec213686 86 void note_update_position(void){
jmpin 1:94b1ec213686 87 int i;
jmpin 1:94b1ec213686 88 double delta_y;
jmpin 1:94b1ec213686 89 //controls how fast the note will move
jmpin 1:94b1ec213686 90 int rate = note_speed * 25;
jmpin 1:94b1ec213686 91 for(i=0;i<MAX_NUM_NOTE;i++){
jmpin 1:94b1ec213686 92 if(note_record[i].status == NOTE_ACTIVE){
jmpin 1:94b1ec213686 93 // update note position
jmpin 1:94b1ec213686 94 delta_y = 200/rate;
jmpin 1:94b1ec213686 95 note_draw(note_record[i], BLACK); // Draw over old location of note
jmpin 1:94b1ec213686 96 note_record[i].y = (int)((delta_y*(note_record[i].tick%rate))); // Update the Y value of the note
jmpin 1:94b1ec213686 97 //pc.printf("Note %i has a y value of %i \n\r",i,note_record[i].y); FOR DEBUGGING PURPOSES
jmpin 1:94b1ec213686 98 note_draw(note_record[i], note_record[i].color); // Draw note in its new location
jmpin 1:94b1ec213686 99 //update note's internal tick
jmpin 1:94b1ec213686 100 note_record[i].tick++;
jmpin 1:94b1ec213686 101 }
jmpin 1:94b1ec213686 102 else if((note_record[i].status == NOTE_PLAYED) || (note_record[i].status == NOTE_MISSED)){ // If the status of the note is not active
jmpin 1:94b1ec213686 103 // clear the note off the screen
jmpin 1:94b1ec213686 104 note_draw(note_record[i], BLACK);
jmpin 1:94b1ec213686 105 // we are done with this note, mark as deactive
jmpin 1:94b1ec213686 106 note_record[i].status = NOTE_DEACTIVE;
jmpin 1:94b1ec213686 107 //resets the note's internal tick
jmpin 1:94b1ec213686 108 note_record[i].tick = 0;
jmpin 1:94b1ec213686 109 //resets the note's y position
jmpin 1:94b1ec213686 110 note_record[i].y = 128;
jmpin 1:94b1ec213686 111 }
jmpin 1:94b1ec213686 112
jmpin 1:94b1ec213686 113 }
jmpin 1:94b1ec213686 114 }
jmpin 1:94b1ec213686 115
jmpin 1:94b1ec213686 116 /** This function draws a note.
jmpin 1:94b1ec213686 117 @param note The note to be drawn
jmpin 1:94b1ec213686 118 @param color The color of the note
jmpin 1:94b1ec213686 119 */
jmpin 1:94b1ec213686 120 void note_draw(NOTE note, int color){
jmpin 1:94b1ec213686 121 int current_x,current_y;
jmpin 1:94b1ec213686 122 current_x = note.x;
jmpin 1:94b1ec213686 123 current_y = note.y;
jmpin 1:94b1ec213686 124 if(color != BLACK) // If we arent erasing a note
jmpin 1:94b1ec213686 125 {
jmpin 1:94b1ec213686 126 uLCD.filled_circle(current_x, current_y,4, WHITE);
jmpin 1:94b1ec213686 127 uLCD.circle(current_x, current_y,10,WHITE);
jmpin 1:94b1ec213686 128 for(int i = 5;i<10;i++)
jmpin 1:94b1ec213686 129 {
jmpin 1:94b1ec213686 130 uLCD.circle(current_x,current_y,i,color);
jmpin 1:94b1ec213686 131 }
jmpin 1:94b1ec213686 132 }
jmpin 1:94b1ec213686 133 else
jmpin 1:94b1ec213686 134 {
jmpin 1:94b1ec213686 135 uLCD.filled_circle(current_x,current_y,10,BLACK);
jmpin 1:94b1ec213686 136
jmpin 1:94b1ec213686 137 }
jmpin 1:94b1ec213686 138 }
jmpin 1:94b1ec213686 139
jmpin 1:94b1ec213686 140
jmpin 1:94b1ec213686 141