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cube.h
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//
// cube.h
// CG_Projeto
//
// Created by Dylan Perdigão on 27/10/2020.
//
#include "textures.h"
#ifndef cube_h
#define cube_h
void drawCube(GLfloat size,GLuint texture,GLfloat scaleX,GLfloat scaleY,GLfloat scaleZ,GLdouble r,GLdouble g,GLdouble b, GLdouble a){
///vertices
GLfloat vertices[] = {
//left
0, 0, size, // 0
0, size, size, // 1
0, size, 0, // 2
0, 0, 0, // 3
//right
size, 0, size, // 4
size, size, size, // 5
size, size, 0, // 6
size, 0, 0, // 7
//up
0, size, size, // 8
0, size, 0, // 9
size, size, 0, // 10
size, size, size, // 11
//down
0, 0, size, // 12
0, 0, 0, // 13
size, 0, 0, // 14
size, 0, size, // 15
//front
0, size, 0, // 16
0, 0, 0, // 17
size, 0, 0, // 18
size, size, 0, // 19
//back
0, size, size, // 20
0, 0, size, // 21
size, 0, size, // 22
size, size, size, // 23
};
///vetores normais
GLfloat normals[] = {
///left
-1.0, 0.0, 0.0,
-1.0, 0.0, 0.0,
-1.0, 0.0, 0.0,
-1.0, 0.0, 0.0,
///right
1.0, 0.0, 0.0,
1.0, 0.0, 0.0,
1.0, 0.0, 0.0,
1.0, 0.0, 0.0,
///up
0.0, 1.0, 0.0,
0.0, 1.0, 0.0,
0.0, 1.0, 0.0,
0.0, 1.0, 0.0,
///down
0.0, -1.0, 0.0,
0.0, -1.0, 0.0,
0.0, -1.0, 0.0,
0.0, -1.0, 0.0,
///front
0.0, 0.0, -1.0,
0.0, 0.0, -1.0,
0.0, 0.0, -1.0,
0.0, 0.0, -1.0,
///back
0.0, 0.0, 1.0,
0.0, 0.0, 1.0,
0.0, 0.0, 1.0,
0.0, 0.0, 1.0,
};
GLfloat textures[] = {
///left
0, 0, //0
0, scaleY, //1
scaleZ, scaleY, //2
scaleZ, 0, //4
///right
scaleZ, 0, //5
scaleZ, scaleY, //6
0, scaleY, //7
0, 0, //8
///up
0, scaleZ, //9
0, 0, //10
scaleX, 0, //11
scaleX, scaleZ, //12
///down
0, 0, //13
0, scaleZ, //14
scaleX, scaleZ, //15
scaleX, 0, //16
///front
0, scaleY, //17
0, 0, //18
scaleX, 0, //19
scaleX, scaleY, //20
///back
0, scaleY, //21
0, 0, //22
scaleX, 0, //23
scaleX, scaleY, //24
};
///faces visiveis
GLuint left[] = {0, 1, 2, 3};
GLuint right[] = {4, 7, 6, 5};
GLuint up[] = {8, 11, 10, 9};
GLuint down[] = {12, 13, 14, 15};
GLuint front[] = {16, 19, 18, 17};
GLuint back[] = {20, 21, 22, 23};
///init
glVertexPointer(3, GL_FLOAT, 0, vertices);
glEnableClientState(GL_VERTEX_ARRAY);
glNormalPointer(GL_FLOAT, 0, normals);
glEnableClientState(GL_NORMAL_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, textures);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
///desenho
glEnable(GL_TEXTURE_2D);
glColor4f(r,g,b,a);
glBindTexture(GL_TEXTURE_2D, texture);
glPushMatrix();
glDrawElements(GL_POLYGON, 4, GL_UNSIGNED_INT, up);
glDrawElements(GL_POLYGON, 4, GL_UNSIGNED_INT, down);
glDrawElements(GL_POLYGON, 4, GL_UNSIGNED_INT, left);
glDrawElements(GL_POLYGON, 4, GL_UNSIGNED_INT, right);
glDrawElements(GL_POLYGON, 4, GL_UNSIGNED_INT, front);
glDrawElements(GL_POLYGON, 4, GL_UNSIGNED_INT, back);
glPopMatrix();
glDisable(GL_TEXTURE_2D);
}
#endif /* cube_h */