![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
baseline features - a little buggy
Dependencies: mbed wave_player 4DGL-uLCD-SE MMA8452
Diff: main.cpp
- Revision:
- 0:95264f964374
- Child:
- 1:4421c1e849e9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Mar 29 21:17:26 2021 -0400 @@ -0,0 +1,222 @@ +//================================================================= +// The main program file. +// +// Copyright 2020 Georgia Tech. All rights reserved. +// The materials provided by the instructor in this course are for +// the use of the students currently enrolled in the course. +// Copyrighted course materials may not be further disseminated. +// This file must not be made publicly available anywhere. +//================================================================== + +// External libs +#include <stdlib.h> + +// Project includes +#include "globals.h" +#include "hardware.h" +#include "compost_pile_public.h" +#include "fruit_public.h" +#include "player_public.h" + +//For sound components +////AnalogOut DACout(p18); +//PwmOut pwmout(p26); +////PwmOut speaker(p25); + +////wave_player waver(&DACout); +//SDFileSystem sd(p5, p6, p7, p8, "sd"); // mosi, miso, sck, cs + +DigitalOut myled1(LED1); +DigitalOut myled2(LED2); +DigitalOut myled3(LED3); +DigitalOut myled4(LED4); + +// ===User implementations start=== +int fruit_contact(void); // iterate through fruits and see if any collided +void compost_pile_update(void); + +void playSound(char * wav); +void playNotes(void); +void set_random_seed(Timer); + +int main() +{ + GameInputs inputs; + // First things first: initialize hardware + ASSERT_P(hardware_init() == ERROR_NONE, "Hardware init failed!"); + pc.printf("Program Starting\n"); + + // ===User implementations start=== + // Game state variables + + // Timer to measure game update speed (secondarily used to generate random seed) + Timer t; + int dt; // delta time + set_random_seed(t); + + //pwmout.period(1.0/4000.0); + //playSound("/sd/wavfiles/BUZZER.wav");//test the sound convert to thread + //wait(0.1); + //playNotes(); + + //initialize functions + compost_pile_init(); + fruit_init(); + player_init(); + pc.printf("Initialization complete\n"); + + while(1) + { + t.start(); + + // Draw fruits first + //pc.printf("fruit_generator\n"); + fruit_generator(); + + //Put score on screen + // NOTE: Text is 8 pixels tall + + //pc.printf("player_fruit_draw\n"); + player_draw(0x0000FF); + player_knife_draw(); + + + + //pc.printf("Reading inputs\n"); + inputs = read_inputs(); + + //pc.printf("player motions\n"); + if (inputs.b1 || inputs.ay>=0.3) player_moveUp(); + if (inputs.b2 || inputs.ay<= -0.3) player_moveDown(); + if (inputs.b3) player_throw(); + + //pc.printf("compost_pile_update\n"); + compost_pile_update(); + + //pc.printf("fruit_contact\n"); + int is_bomb = fruit_contact(); + + // TODO: Check end of the game + //pc.printf("check endgame\n"); + + // TODO: Check if game won + + // Compute update time + t.stop(); + dt = t.read_ms(); + + if (dt < 100) wait_ms(100 - dt); + } + pc.printf("out of main loop\n"); + destroyList(get_fruit_list()); + + return 0; + // ===User implementations end=== +} + +// ===User implementations start=== + +/* This function iterate through the fruit list, checking if anyone one of them is contacting +* with the player's knife. Don't forget to check if the "fruit" is the bomb, since we +* generated bombs using the fruit_generator. +*/ +int fruit_contact(void) { + +} + +/** Call compost_pile_update() repeatedly in your game-loop. ex: main() + This function iterate through the fruit list. Add fruits that reach the bottom of the screen + to the compost pile. + @return Number of remaining cities. You might end the game when all cities are demolished. +*/ +void compost_pile_update(void){ +} + +//fcn to play a wav +void playSound(char* wav) +{ + //open wav file + FILE *wave_file; + wave_file=fopen(wav,"r"); + + if(wave_file != NULL) + { + printf("File opened successfully\n"); + + //play wav file + printf("Sound playing...\n"); + waver.play(wave_file); + + //close wav file + printf("Sound stopped...\n"); + fclose(wave_file); + return; + } + + printf("Could not open file for reading - %s\n", wav); + return; +} + +/* Wanna hear some annoying sounds?*/ +void playNotes(void) +{ + int i; +// generate a 500Hz tone using PWM hardware output + speaker.period(1.0/500.0); // 500hz period + speaker =0.5; //50% duty cycle - max volume + wait(3); + speaker=0.0; // turn off audio + wait(2); +// generate a short 150Hz tone using PWM hardware output +// something like this can be used for a button click effect for feedback + for (i=0; i<10; i++) { + speaker.period(1.0/150.0); // 500hz period + speaker =0.25; //25% duty cycle - mid range volume + wait(.02); + speaker=0.0; // turn off audio + wait(0.5); + } + +// sweep up in frequency by changing the PWM period + for (i=0; i<8000; i=i+100) { + speaker.period(1.0/float(i)); + speaker=0.25; + wait(.1); + } + wait(2); + +// two tone police siren effect - two periods or two frequencies +// increase volume - by changing the PWM duty cycle + for (i=0; i<26; i=i+2) { + speaker.period(1.0/969.0); + speaker = float(i)/50.0; + wait(.5); + speaker.period(1.0/800.0); + wait(.5); + } + // decrease volume + for (i=25; i>=0; i=i-2) { + speaker.period(1.0/969.0); + speaker = float(i)/50.0; + wait(.5); + speaker.period(1.0/800.0); + wait(.5); + } + speaker =0.0; + wait(2); +} + +void set_random_seed(Timer t) { + GameInputs inputs; + t.start(); + uLCD.printf("Push any button to start.\n"); + while(1){ + inputs = read_inputs(); + if (inputs.b1 || inputs.b2 || inputs.b3) break; + } + uLCD.cls(); + t.stop(); + int seed = t.read_ms(); + srand(seed); + } +// ===User implementations end===