Robbie Huey / Mbed 2 deprecated baseline

baseline features - a little buggy

Dependencies:   mbed wave_player 4DGL-uLCD-SE MMA8452

fruit.cpp@2:cf4e61c051a4, 2021-04-10 (annotated)

Committer:
robbiehuey
Date:
Sat Apr 10 02:08:02 2021 +0000
Revision:
2:cf4e61c051a4
Parent:
1:4421c1e849e9 
hi

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DCchico 0:95264f964374 1 //=================================================================
DCchico 0:95264f964374 2 // Implementation of fruit module.
DCchico 0:95264f964374 3 //
DCchico 0:95264f964374 4 // Copyright 2020 Georgia Tech. All rights reserved.
DCchico 0:95264f964374 5 // The materials provided by the instructor in this course are for
DCchico 0:95264f964374 6 // the use of the students currently enrolled in the course.
DCchico 0:95264f964374 7 // Copyrighted course materials may not be further disseminated.
DCchico 0:95264f964374 8 // This file must not be made publicly available anywhere.
DCchico 0:95264f964374 9 //==================================================================
DCchico 0:95264f964374 10
DCchico 0:95264f964374 11 #include "fruit_private.h"
DCchico 0:95264f964374 12 #include "doubly_linked_list.h"
DCchico 0:95264f964374 13
DCchico 0:95264f964374 14 int fruit_tick=0;
DCchico 0:95264f964374 15
DCchico 0:95264f964374 16 //Create a DLL for fruits
DCchico 0:95264f964374 17 DLinkedList* fruitDLL = NULL;
DCchico 0:95264f964374 18
DCchico 0:95264f964374 19 void fruit_init(void)
DCchico 0:95264f964374 20 {
DCchico 0:95264f964374 21 //Create a new doubly linked list of fruits
DCchico 0:95264f964374 22 fruitDLL = create_dlinkedlist();
DCchico 0:95264f964374 23 }
DCchico 0:95264f964374 24
DCchico 0:95264f964374 25 void fruit_generator(void){
DCchico 0:95264f964374 26 fruit_tick++;
DCchico 0:95264f964374 27 // only fire the fruit at certain ticks
robbiehuey 1:4421c1e849e9 28 if((fruit_tick % 5)==0 || fruit_tick==0){
DCchico 0:95264f964374 29 //printf("fruit_create()");
DCchico 0:95264f964374 30 fruit_create();
DCchico 0:95264f964374 31 }
DCchico 0:95264f964374 32 // update the fruits and draw them
DCchico 0:95264f964374 33 fruit_update_position();
DCchico 0:95264f964374 34 }
DCchico 0:95264f964374 35
DCchico 0:95264f964374 36 void fruit_create(void){
DCchico 0:95264f964374 37 FRUIT* M = (FRUIT*)malloc(sizeof(FRUIT));
DCchico 0:95264f964374 38 // M->y = 0;
DCchico 0:95264f964374 39 //each fruit has its own tick
DCchico 0:95264f964374 40 M->type = rand() % 3;
DCchico 0:95264f964374 41 switch (M->type)
DCchico 0:95264f964374 42 {
DCchico 0:95264f964374 43 case 0:
DCchico 0:95264f964374 44 M->draw = draw_bomb;
DCchico 0:95264f964374 45 break;
DCchico 0:95264f964374 46 case 1:
DCchico 0:95264f964374 47 M->draw = draw_orange;
DCchico 0:95264f964374 48 break;
DCchico 0:95264f964374 49 case 2:
DCchico 0:95264f964374 50 M->draw = draw_banana;
DCchico 0:95264f964374 51 break;
DCchico 0:95264f964374 52 default:
DCchico 0:95264f964374 53 break;
DCchico 0:95264f964374 54 }
DCchico 0:95264f964374 55 M->tick = 0;
DCchico 0:95264f964374 56 //set a random source for the fruit
robbiehuey 1:4421c1e849e9 57 M->direction = 0;//rand() % 3;
DCchico 0:95264f964374 58 if (M->direction == 0){
DCchico 0:95264f964374 59 M->source = rand() % (SIZE_X - FRUIT_SIZE - PLAYER_SPACE);
DCchico 0:95264f964374 60 //set a random target for the fruit
DCchico 0:95264f964374 61 M->target = rand() % (SIZE_X - FRUIT_SIZE - PLAYER_SPACE);
DCchico 0:95264f964374 62 //the fruit starts at its source
DCchico 0:95264f964374 63 M->box.topLeft.x = M->source + PLAYER_SPACE;
robbiehuey 1:4421c1e849e9 64 M->box.topLeft.y = 10; // = {M->source + PLAYER_SPACE, 0};
DCchico 0:95264f964374 65 M->box.bottomRight.x = M->source + FRUIT_SIZE + PLAYER_SPACE;
robbiehuey 1:4421c1e849e9 66 M->box.bottomRight.y = FRUIT_SIZE+10;
DCchico 0:95264f964374 67 //M->box.bottomRight = {M->source + FRUIT_SIZE + PLAYER_SPACE, FRUIT_SIZE};
DCchico 0:95264f964374 68 double diagnal = sqrt((M->source - M->target)*(M->source - M->target) + SIZE_Y*SIZE_Y);
DCchico 0:95264f964374 69 M->delta_x = (M->target - M->source) / diagnal;
DCchico 0:95264f964374 70 M->delta_y = fabs(SIZE_Y / diagnal);
DCchico 0:95264f964374 71 }
DCchico 0:95264f964374 72 else if(M->direction == 1){
DCchico 0:95264f964374 73 M->source = rand() % (SIZE_Y - FRUIT_SIZE);
DCchico 0:95264f964374 74 //set a random target for the fruit
DCchico 0:95264f964374 75 M->target = rand() % (SIZE_Y - FRUIT_SIZE);
DCchico 0:95264f964374 76 M->box.topLeft.x = PLAYER_SPACE;
DCchico 0:95264f964374 77 M->box.topLeft.y = M->source;
DCchico 0:95264f964374 78 //M->box.topLeft = {PLAYER_SPACE, M->source};
DCchico 0:95264f964374 79 M->box.bottomRight.x = PLAYER_SPACE + FRUIT_SIZE;
DCchico 0:95264f964374 80 M->box.bottomRight.y = M->source + FRUIT_SIZE;
DCchico 0:95264f964374 81 //M->box.bottomRight = {PLAYER_SPACE + FRUIT_SIZE, M->source + FRUIT_SIZE};
DCchico 0:95264f964374 82 double diagnal = sqrt((M->source - M->target)*(M->source - M->target) + (SIZE_X - PLAYER_SPACE)*(SIZE_X - PLAYER_SPACE));
DCchico 0:95264f964374 83 M->delta_x = (SIZE_X - PLAYER_SPACE) / diagnal;
DCchico 0:95264f964374 84 M->delta_y = fabs((M->target - M->source) / diagnal);
DCchico 0:95264f964374 85 }else{
DCchico 0:95264f964374 86 M->source = rand() % (SIZE_Y - FRUIT_SIZE);
DCchico 0:95264f964374 87 //set a random target for the fruit
DCchico 0:95264f964374 88 M->target = rand() % (SIZE_Y - FRUIT_SIZE);
DCchico 0:95264f964374 89 M->box.topLeft.x = PLAYER_SPACE + SIZE_X - FRUIT_SIZE;
DCchico 0:95264f964374 90 M->box.topLeft.y = M->source;
DCchico 0:95264f964374 91 //M->box.topLeft = {PLAYER_SPACE + SIZE_X - FRUIT_SIZE, M->source};
DCchico 0:95264f964374 92 M->box.bottomRight.x = PLAYER_SPACE + SIZE_X;
DCchico 0:95264f964374 93 M->box.bottomRight.y = M->source + FRUIT_SIZE;
DCchico 0:95264f964374 94 //M->box.bottomRight = {PLAYER_SPACE + SIZE_X, M->source + FRUIT_SIZE};
DCchico 0:95264f964374 95 double diagnal = sqrt((M->source - M->target)*(M->source - M->target) + (SIZE_X - PLAYER_SPACE)*(SIZE_X - PLAYER_SPACE));
DCchico 0:95264f964374 96 M->delta_x = (PLAYER_SPACE - SIZE_X) / diagnal;
DCchico 0:95264f964374 97 M->delta_y = fabs((M->target - M->source) / diagnal);
DCchico 0:95264f964374 98 }
DCchico 0:95264f964374 99
DCchico 0:95264f964374 100
DCchico 0:95264f964374 101 M->status = FRUIT_ACTIVE;
DCchico 0:95264f964374 102
DCchico 0:95264f964374 103 insertHead(fruitDLL, M);
DCchico 0:95264f964374 104 }
DCchico 0:95264f964374 105
DCchico 0:95264f964374 106 void fruit_update_position(void){
DCchico 0:95264f964374 107
DCchico 0:95264f964374 108
DCchico 0:95264f964374 109 //controls how fast the fruit will move
DCchico 0:95264f964374 110 int rate = FRUIT_SPEED;
DCchico 0:95264f964374 111 //delta_x and delta_y account for the slope of the fruit
DCchico 0:95264f964374 112 DrawFunc draw = NULL;
DCchico 0:95264f964374 113 LLNode* current = fruitDLL->head;
DCchico 0:95264f964374 114 FRUIT* newFruit;
DCchico 0:95264f964374 115 //iterate over all fruits
DCchico 0:95264f964374 116 while(current)
DCchico 0:95264f964374 117 { newFruit = (FRUIT*) current->data;
DCchico 0:95264f964374 118 if(newFruit->status == FRUIT_SLICED ||
DCchico 0:95264f964374 119 newFruit->box.topLeft.x > 127 ||
DCchico 0:95264f964374 120 newFruit->box.bottomRight.x < 0 ||
DCchico 0:95264f964374 121 newFruit->box.bottomRight.y < 0)
DCchico 0:95264f964374 122 {
DCchico 0:95264f964374 123 //cover the last fruit location
DCchico 0:95264f964374 124 draw_nothing(newFruit->box);
DCchico 0:95264f964374 125 // clear the fruit on the screen
DCchico 0:95264f964374 126 draw = NULL;
DCchico 0:95264f964374 127 // Remove it from the list
DCchico 0:95264f964374 128 //pc.printf("deleting fruit node...\n");
DCchico 0:95264f964374 129 deleteNode(fruitDLL, current);
DCchico 0:95264f964374 130 //pc.printf("fruit node deleted.\n");
DCchico 0:95264f964374 131 }
DCchico 0:95264f964374 132 else
DCchico 0:95264f964374 133 {
DCchico 0:95264f964374 134 //cover the last fruit location
DCchico 0:95264f964374 135 draw_nothing(newFruit->box);
DCchico 0:95264f964374 136
DCchico 0:95264f964374 137 // update fruit position
DCchico 0:95264f964374 138
DCchico 0:95264f964374 139 //pc.printf("%f, %f\n", newFruit->delta_x, newFruit->delta_y);
DCchico 0:95264f964374 140 newFruit->box.topLeft.x += rate*newFruit->delta_x;
DCchico 0:95264f964374 141 newFruit->box.topLeft.y += rate*newFruit->delta_y;
DCchico 0:95264f964374 142 newFruit->box.bottomRight.x += rate*newFruit->delta_x;
DCchico 0:95264f964374 143 newFruit->box.bottomRight.y += rate*newFruit->delta_y;
DCchico 0:95264f964374 144 //pc.printf(" %f, %f", newFruit->delta_x, newFruit->delta_y);
DCchico 0:95264f964374 145 // draw fruit
DCchico 0:95264f964374 146 draw = newFruit->draw;
DCchico 0:95264f964374 147 //update fruit's internal tick
DCchico 0:95264f964374 148 newFruit->tick++;
DCchico 0:95264f964374 149 //current->data = (void*) newFruit;
DCchico 0:95264f964374 150 }
DCchico 0:95264f964374 151 // Advance the loop
DCchico 0:95264f964374 152 if(draw) draw(newFruit->box);
DCchico 0:95264f964374 153 current = current->next;
DCchico 0:95264f964374 154 }
DCchico 0:95264f964374 155 }
DCchico 0:95264f964374 156
DCchico 0:95264f964374 157 DLinkedList* get_fruit_list() {
robbiehuey 1:4421c1e849e9 158 fruit_update_position();
robbiehuey 1:4421c1e849e9 159 return fruitDLL;
DCchico 0:95264f964374 160 }