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Dependencies:   mbed MotionSensor

Entity/Snake/Snake.cpp@27:a1b41626f57c, 2019-04-29 (annotated)

Committer:
el17sm
Date:
Mon Apr 29 10:39:09 2019 +0000
Revision:
27:a1b41626f57c
Parent:
23:5a8f75e93508
Child:
28:98848e6a77a2
Functional Room; Great Success;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17sm 16:ddb203a74dfc 1 #include "Snake.h"
el17sm 16:ddb203a74dfc 2 #include "math.h"
el17sm 16:ddb203a74dfc 3 #include <complex>
el17sm 16:ddb203a74dfc 4
el17sm 17:99e533f7f2fb 5 // Constructor
el17sm 22:7abf4581bc9b 6 Snake::Snake(float pos_x, float pos_y)
el17sm 22:7abf4581bc9b 7 {
el17sm 16:ddb203a74dfc 8 moving = true;
el17sm 17:99e533f7f2fb 9 _prev_face = 0;
el17sm 16:ddb203a74dfc 10 face = 0;
el17sm 16:ddb203a74dfc 11 hp = 4;
el17sm 23:5a8f75e93508 12 attack = 1;
el17sm 16:ddb203a74dfc 13 hitbox.width = 6;
el17sm 16:ddb203a74dfc 14 hitbox.height = 5;
el17sm 16:ddb203a74dfc 15 position.x = pos_x;
el17sm 16:ddb203a74dfc 16 position.y = pos_y;
el17sm 16:ddb203a74dfc 17 sprite_size.width = 6;
el17sm 16:ddb203a74dfc 18 sprite_size.height = 9;
el17sm 16:ddb203a74dfc 19 sprite_size.offset_x = 0;
el17sm 16:ddb203a74dfc 20 sprite_size.offset_y = 4;
el17sm 16:ddb203a74dfc 21 frame.count = 0;
el17sm 16:ddb203a74dfc 22 frame.number = 0;
el17sm 16:ddb203a74dfc 23 frame.max = 6;
el17sm 17:99e533f7f2fb 24 velocity = 0;
el17sm 17:99e533f7f2fb 25 _velocity_index = 0;
el17sm 17:99e533f7f2fb 26 }
el17sm 17:99e533f7f2fb 27 // Member Function
el17sm 22:7abf4581bc9b 28 void Snake::update_prev_face()
el17sm 22:7abf4581bc9b 29 {
el17sm 22:7abf4581bc9b 30 _prev_face = face;
el17sm 22:7abf4581bc9b 31 }
el17sm 17:99e533f7f2fb 32
el17sm 17:99e533f7f2fb 33 // Member Mutator
el17sm 23:5a8f75e93508 34 void Snake::update_hitbox(int hitbox_width, int hitbox_height, int sprite_size_width, int sprite_size_height, int sprite_size_offset_x, int sprite_size_offset_y, int max_frame) // Offset, Hitbox and Frame Count update
el17sm 22:7abf4581bc9b 35 {
el17sm 22:7abf4581bc9b 36 if (_prev_face != face) {
el17sm 18:3c030560e31d 37 frame.number = 0;
el17sm 17:99e533f7f2fb 38 hitbox.width = sprite_size.offset_y;
el17sm 17:99e533f7f2fb 39 hitbox.height = hitbox_height;
el17sm 17:99e533f7f2fb 40 sprite_size.width = sprite_size_width;
el17sm 17:99e533f7f2fb 41 sprite_size.height = sprite_size_height;
el17sm 17:99e533f7f2fb 42 sprite_size.offset_x = sprite_size_offset_x;
el17sm 17:99e533f7f2fb 43 sprite_size.offset_y = sprite_size_offset_y;
el17sm 18:3c030560e31d 44 frame.max = max_frame;
el17sm 17:99e533f7f2fb 45 }
el17sm 16:ddb203a74dfc 46 }
el17sm 16:ddb203a74dfc 47
el17sm 17:99e533f7f2fb 48 // Functions
el17sm 27:a1b41626f57c 49 void Snake::move(float player_x, float player_y, int * map)
el17sm 22:7abf4581bc9b 50 {
el17sm 16:ddb203a74dfc 51 std::complex<double> pos_diff(player_x - position.x, player_y - position.y); // defining difference in position as a vector
el17sm 17:99e533f7f2fb 52 velocity = velocity_pattern[_velocity_index]; // Creating slithering effect, changing velocity of movement
el17sm 17:99e533f7f2fb 53 update_prev_face();
el17sm 22:7abf4581bc9b 54
el17sm 16:ddb203a74dfc 55 // Setting Face
el17sm 17:99e533f7f2fb 56 if (_velocity_index == 0) {
el17sm 16:ddb203a74dfc 57 if (abs(pos_diff.real()) > abs(pos_diff.imag())) {
el17sm 16:ddb203a74dfc 58 if (pos_diff.real() > 0) {
el17sm 16:ddb203a74dfc 59 face = 1;
el17sm 22:7abf4581bc9b 60 } else {
el17sm 16:ddb203a74dfc 61 face = 3;
el17sm 16:ddb203a74dfc 62 }
el17sm 22:7abf4581bc9b 63 } else {
el17sm 16:ddb203a74dfc 64 if (pos_diff.imag() > 0) {
el17sm 16:ddb203a74dfc 65 face = 0;
el17sm 22:7abf4581bc9b 66 } else {
el17sm 16:ddb203a74dfc 67 face = 2;
el17sm 16:ddb203a74dfc 68 }
el17sm 16:ddb203a74dfc 69 }
el17sm 16:ddb203a74dfc 70 }
el17sm 22:7abf4581bc9b 71
el17sm 17:99e533f7f2fb 72 // Movement
el17sm 22:7abf4581bc9b 73 if (face == 0) {
el17sm 16:ddb203a74dfc 74 position.y += velocity;
el17sm 23:5a8f75e93508 75 update_hitbox(4, 7, 6, 12, 1, 6, 6);
el17sm 22:7abf4581bc9b 76 } else if (face == 1) {
el17sm 16:ddb203a74dfc 77 position.x += velocity;
el17sm 23:5a8f75e93508 78 update_hitbox(7, 4, 12, 7, 6, 4, 4);
el17sm 22:7abf4581bc9b 79 } else if (face == 2) {
el17sm 16:ddb203a74dfc 80 position.y -= velocity;
el17sm 23:5a8f75e93508 81 update_hitbox(4, 7, 6, 12, 1, 5, 6);
el17sm 22:7abf4581bc9b 82 } else if (face == 3) {
el17sm 16:ddb203a74dfc 83 position.x -= velocity;
el17sm 23:5a8f75e93508 84 update_hitbox(7, 4, 12, 7, 0, 4, 4);
el17sm 16:ddb203a74dfc 85 }
el17sm 22:7abf4581bc9b 86
el17sm 27:a1b41626f57c 87 undo_move_x(matrix_collision_test(position.x, prev_pos.y, map));
el17sm 27:a1b41626f57c 88 undo_move_y(matrix_collision_test(prev_pos.x, position.y, map));
el17sm 22:7abf4581bc9b 89
el17sm 22:7abf4581bc9b 90 frame.count++;
el17sm 23:5a8f75e93508 91 if (frame.count >= 10) {
el17sm 16:ddb203a74dfc 92 frame.count = 0;
el17sm 22:7abf4581bc9b 93 _velocity_index++;
el17sm 22:7abf4581bc9b 94 frame.number++;
el17sm 22:7abf4581bc9b 95 if (_velocity_index >= 6) {
el17sm 17:99e533f7f2fb 96 _velocity_index = 0;
el17sm 17:99e533f7f2fb 97 }
el17sm 22:7abf4581bc9b 98 if (frame.number >= frame.max) {
el17sm 17:99e533f7f2fb 99 frame.number = 0;
el17sm 17:99e533f7f2fb 100 }
el17sm 16:ddb203a74dfc 101 }
el17sm 16:ddb203a74dfc 102 }
el17sm 16:ddb203a74dfc 103
el17sm 23:5a8f75e93508 104 void Snake::take_damage(int damage)
el17sm 23:5a8f75e93508 105 {
el17sm 23:5a8f75e93508 106 hp -= damage;
el17sm 23:5a8f75e93508 107 }
el17sm 23:5a8f75e93508 108
el17sm 22:7abf4581bc9b 109 int * Snake::get_frame()
el17sm 22:7abf4581bc9b 110 {
el17sm 17:99e533f7f2fb 111 if(face == 0) {
el17sm 17:99e533f7f2fb 112 return (int *) sprite_snake_y[1][frame.number];
el17sm 22:7abf4581bc9b 113 } else if(face == 1) {
el17sm 17:99e533f7f2fb 114 return (int *) sprite_snake_x[0][frame.number];
el17sm 22:7abf4581bc9b 115 } else if(face == 2) {
el17sm 17:99e533f7f2fb 116 return (int *) sprite_snake_y[0][frame.number];
el17sm 22:7abf4581bc9b 117 } else if(face == 3) {
el17sm 17:99e533f7f2fb 118 return (int *) sprite_snake_x[1][frame.number];
el17sm 17:99e533f7f2fb 119 }
el17sm 17:99e533f7f2fb 120 return 0;
el17sm 16:ddb203a74dfc 121 }