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| #define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <windows.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <glut.h>
const float light0_position[4] = { 0,0,1,0 };
GLdouble xRotated, yRotated, zRotated;
float shlapka = 0, noga = -0.4;
GLdouble radius = 1;
float x = 0.0;
float y = 0.0;
float z = 0.0;
double rotate_y = 0;
double rotate_x = 0;
int width, height;
GLUquadric* obj = gluNewQuadric();
void specialKeys(int key, int x, int y) {
// Right arrow - increase rotation by 5 degree
if (key == GLUT_KEY_RIGHT)
rotate_y += 5;
// Left arrow - decrease rotation by 5 degree
else if (key == GLUT_KEY_LEFT)
rotate_y -= 5;
else if (key == GLUT_KEY_UP)
rotate_x += 5;
else if (key == GLUT_KEY_DOWN)
rotate_x -= 5;
// Request display update
glutPostRedisplay();
}
void Anima(unsigned char key, int x, int y)
{
if (key == 'q') {
noga += .02;
shlapka += .02;
}
else if (key == 'e')
{
noga -= .02;
shlapka -= .02;
}
glutPostRedisplay();
}
void reshapeFunc(int x, int y)
{
if (y == 0 || x == 0) return;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//возле плоскости отсечения расстояние: 0,5
//дальний отсечения плоскости расстояние: 20,0
gluPerspective(30.0, (GLdouble)x / (GLdouble)y, 0.5, 20.0);
glMatrixMode(GL_MODELVIEW);
glViewport(0, 0, x, y);
}
GLuint groundTex;
GLuint vagonTex;
GLuint LoadTexture(const char* filename)
{//Функция считывания текстуры из файла
GLuint texture;
int width, height;
unsigned char* data;
FILE* file;
file = fopen(filename, "rb");
if (file == NULL) return 0; //Не считывать несуществующий файл
width = 1024; //Размер изображения в пикселях
height = 512;
data = (unsigned char*)malloc(width * height * 3);
fread(data, width * height * 3, 1, file);
fclose(file);
for (int i = 0; i < width * height; ++i)
{
int index = i * 3;
unsigned char B, R;
B = data[index];
R = data[index + 2];
data[index] = R;
data[index + 2] = B;
}
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
gluBuild2DMipmaps(GL_TEXTURE_2D, 3, width, height, GL_RGB, GL_UNSIGNED_BYTE, data);
free(data);
return texture;
}
void Ground() {//Отображение поверхности с текстурой
groundTex = LoadTexture("Relsi.bmp");
vagonTex = LoadTexture("Vagon.bmp");
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, groundTex);
glEnable(GL_POLYGON_OFFSET_FILL);
glColor3d(0.0f, 1.0f, 0.0f);
glBegin(GL_QUADS);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, groundTex);
glEnable(GL_POLYGON_OFFSET_FILL);
glColor3f(0.0f, 1.0f, 0.0f);
glBegin(GL_QUADS);
glNormal3f(-4.0f, 0.0f, 0.0f);
glTexCoord2f(0.0f, 0.1f);
glVertex3f(x + 3, y - 0.5, z - 3);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(x + 3, y - 0.5, z + 3);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(x - 3, y - 0.5, z + 3);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(x - 3, y - 0.5, z - 3);
glEnd();
glDisable(GL_POLYGON_OFFSET_FILL);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
}
void Circle() {
int i, x, y;
double radius = 0.30;
//glColor3ub(253, 184, 19);
glColor3ub(255, 0, 0);
double twicePi = 2.0 * 3.142;
x = 0, y = 0;
glBegin(GL_TRIANGLE_FAN); //BEGIN CIRCLE
glVertex2f(x, y); // center of circle
for (i = 0; i <= 20; i++) {
glVertex2f(
(x + (radius * cos(i * twicePi / 20))), (y + (radius * sin(i * twicePi / 20)))
);
}
glEnd(); //END
}
void Line(float a, float b, float c) {
glLineWidth(5);
glBegin(GL_LINES);
glVertex3f(x + a, y, z + c);
glVertex3f(x + b, y, z + c);
glEnd();
}
void redisplayFunc(void)
{
glMatrixMode(GL_MODELVIEW); //отчистить буфер рисования
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
glTranslatef(0.0, 0.0, -4.5);
glRotatef(xRotated, 1.0, 0.0, 0.0);
glRotatef(yRotated, 0.0, 1.0, 0.0);
glRotatef(zRotated, 0.0, 0.0, 1.0);
glScalef(0.25, 0.25, 0.25);
//Поворачивать, когда пользователь изменяет rotate_x и rotate_your
glRotatef(rotate_x, 1.0, 0.0, 0.0);
glRotatef(rotate_y, 0.0, 1.0, 0.0);
//
//земля
Ground();
//в2
glPushMatrix();
glTranslatef(x - 1.25, y + 0.3, z);
glutSolidCube(1);
glScaled(1, 3, 3);
glTexCoord3f(1.4, 1, 3);
glPopMatrix();
//в1
glPushMatrix();
glTranslatef(x - 2.5, y + 0.3, z);
glutSolidCube(1);
glScaled(1, 3, 3);
glTexCoord3f(1.4, 1, 3);
glPopMatrix();
//в3
glPushMatrix();
glTranslatef(x, y + 0.3, z);
glutSolidCube(1);
glScaled(1, 1, 1);
glTexCoord3f(1.4, 1, 3);
glPopMatrix();
//в - глав
glPushMatrix();
glTranslatef(x + 1.25, y + 0.3, z);
glutSolidCube(1);
glScaled(1, 1, 1);
glTexCoord3f(1.4, 1, 3);
glPopMatrix();
glPushMatrix();
glTranslatef(x + 2.1, y + 0.3, z);
glutSolidCube(1);
glScaled(1, 1, 1);
glTexCoord3f(1.4, 1, 3);
glPopMatrix();
// колеса
glPushMatrix();
glTranslatef(x - 2.5, y - 0.2, z + 0.3);
Circle();
glPopMatrix();
glPushMatrix();
glTranslatef(x - 2.5, y - 0.2, z - 0.3);
Circle();
glPopMatrix();
glPushMatrix();
glTranslatef(x - 1.25, y - 0.2, z + 0.3);
Circle();
glPopMatrix();
glPushMatrix();
glTranslatef(x - 1.25, y - 0.2, z - 0.3);
Circle();
glPopMatrix();
glPushMatrix();
glTranslatef(x, y - 0.2, z + 0.3);
Circle();
glPopMatrix();
glPushMatrix();
glTranslatef(x, y - 0.2, z - 0.3);
Circle();
glPopMatrix();
glPushMatrix();
glTranslatef(x + 1.25, y - 0.2, z + 0.3);
Circle();
glPopMatrix();
glPushMatrix();
glTranslatef(x + 1.25, y - 0.2, z - 0.3);
Circle();
glPopMatrix();
glPushMatrix();
glTranslatef(x + 2, y - 0.2, z + 0.3);
Circle();
glPopMatrix();
glPushMatrix();
glTranslatef(x + 2, y - 0.2, z - 0.3);
Circle();
glPopMatrix();
//
glPushMatrix();
//mid lines
Line(-2.25, -1.75, 0);
Line(-1.25, 0, 0);
Line(0, 1.25, 0);
//up lines
Line(-2.25, -1.75, -0.3);
Line(-1.25, 0, -0.3);
Line(0, 1.25, -0.3);
//down lines
Line(-2.25, -1.75, 0.3);
Line(-1.25, 0, 0.3);
Line(0, 1.25, 0.3);
glPopMatrix();
glFlush();
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glDisable(GL_TEXTURE_2D);
}
int main(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glutInitWindowSize(800, 800);
glutInitWindowPosition(100, 100);
glutCreateWindow("Ель");
glClearColor(0.8, 0.8, 0.8, 0.0);
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glLightfv(GL_LIGHT0, GL_POSITION, light0_position);
float ambient[4] = { 0.5, 0.5, 0.7, 1 };
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
glutSpecialFunc(specialKeys);
glutDisplayFunc(redisplayFunc);
glutReshapeFunc(reshapeFunc);
glutKeyboardFunc(Anima);
glutMainLoop();
return 0;
} |
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