Bubble-Bobble/Enemy.cpp at main · penguinman12/Bubble-Bobble · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
#include "Enemy.h"
#include "Constants.h"

#include <GL/freeglut.h>


void Enemy::initialize() {
	enemyL.initializeTexture("enemyL.png");
	enemyR.initializeTexture("enemyR.png");
}

Enemy::Enemy(float x, float y, float z, float s)
{
	center[0] = x;
	center[1] = y;
	center[2] = z;

	velocity[0] = velocity[1] = velocity[2] = 0.0f;

	size = s;

	face = FACE::LEFT;
	horizontalState = HORIZONTAL_STATE::STOP;
	initialize();
}

void Enemy::setFace(FACE f) {
	face = f;

	switch (face)
	{
	case Enemy::LEFT:
		setVelocity(Vector3f(-2.0f, velocity[1], velocity[2]));
		break;
	case Enemy::RIGHT:
		setVelocity(Vector3f(2.0f, velocity[1], velocity[2]));
		break;
	default:
		break;
	}
}

void Enemy::setHorizontalState(HORIZONTAL_STATE hState) {
	horizontalState = hState;
}

bool Enemy::isMoving() const {
	return horizontalState == HORIZONTAL_STATE::MOVE;
}

float Enemy::getSize() const {
	return size;
}
void Enemy::draw() const {
	glPushMatrix();
	glBegin(GL_QUADS);
	glVertex3f(center[0] - size / 2, center[1] - size / 2, 0);
	glVertex3f(center[0] - size / 2, center[1] + size / 2, 0);
	glVertex3f(center[0] + size / 2, center[1] + size / 2, 0);
	glVertex3f(center[0] + size / 2, center[1] - size / 2, 0);
	glEnd();
	glPopMatrix();
	switch (face)
	{
	case Enemy::LEFT:
		glPushMatrix();
		glEnable(GL_TEXTURE_2D);
		glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
		glBindTexture(GL_TEXTURE_2D, enemyL.getTextureID());
		glBegin(GL_QUADS);
		glTexCoord2f(0.0f, 0.0f);
		glVertex2f(getCenter()[0] - PLAYER_SIZE / 2.0f, getCenter()[1] - PLAYER_SIZE / 2.0f);
		glTexCoord2f(0.0f, 1.0f);
		glVertex2f(getCenter()[0] - PLAYER_SIZE / 2.0f, getCenter()[1] + PLAYER_SIZE / 2.0f);
		glTexCoord2f(1.0f, 1.0f);
		glVertex2f(getCenter()[0] + PLAYER_SIZE / 2.0f, getCenter()[1] + PLAYER_SIZE / 2.0f);
		glTexCoord2f(1.0f, 0.0f);
		glVertex2f(getCenter()[0] + PLAYER_SIZE / 2.0f, getCenter()[1] - PLAYER_SIZE / 2.0f);
		glEnd();
		glDisable(GL_TEXTURE_2D);
		glPopMatrix();
		break;
	case Enemy::RIGHT:
		glPushMatrix();
		glEnable(GL_TEXTURE_2D);
		glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
		glBindTexture(GL_TEXTURE_2D, enemyR.getTextureID());
		glBegin(GL_QUADS);
		glTexCoord2f(0.0f, 0.0f);
		glVertex2f(getCenter()[0] - PLAYER_SIZE / 2.0f, getCenter()[1] - PLAYER_SIZE / 2.0f);
		glTexCoord2f(0.0f, 1.0f);
		glVertex2f(getCenter()[0] - PLAYER_SIZE / 2.0f, getCenter()[1] + PLAYER_SIZE / 2.0f);
		glTexCoord2f(1.0f, 1.0f);
		glVertex2f(getCenter()[0] + PLAYER_SIZE / 2.0f, getCenter()[1] + PLAYER_SIZE / 2.0f);
		glTexCoord2f(1.0f, 0.0f);
		glVertex2f(getCenter()[0] + PLAYER_SIZE / 2.0f, getCenter()[1] - PLAYER_SIZE / 2.0f);
		glEnd();
		glDisable(GL_TEXTURE_2D);
		glPopMatrix();
		break;
	default:
		break;
	}
	glEnd();

	//glPopMatrix();
}