#define _CRT_SECURE_NO_DEPRECATE
#include <stdio.h>
#include <math.h>
#include <GL/glut.h>
float z = 7.0f, y = 0, x = 0;
float v0 = 0.2;
float alfa = 5;
float fi = 5;
float r = 1;
float dt = 0.01;
float g = 9.80665f;
float t = 0;
float omega = 0;
float vY = 0, vX = 0, vZ = 0, Y = 0, X = 0, Z = 0;
float ymax = 0, xmax = 0, zmax = 0, tD = 0, tm = 0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(xmax + 10, zmax, ymax+10,
0.0, 0.0, 0.0,
0.0, 2, 0.0);
glPushMatrix();
glColor3f(0.0f, 0.0f, 1.0f);
glBegin(GL_LINES);
glVertex2f(0.0f, 0.0f);
glVertex2f(333, 0.0f);
glEnd();
glBegin(GL_LINES);
glColor3f(0.0f, 1.0f, 0.0f);
glVertex2f(0.001f, 0.0f);
glVertex2f(0.001f, 333);
glEnd();
glBegin(GL_LINES);
glColor3f(0.0f, 1.0f, 1.0f);
glVertex3f(0.001f, 0.001f, 0.0f);
glVertex3f(0.001f, 0.001f, 333);
glEnd();
glPopMatrix();
glPushMatrix();
static float angle = 0.0f;
angle += omega;
// glTranslatef(X-xmax-r, Z-zmax, Y-(xmax+ymax+zmax));
glTranslatef(X, Z, Y);
glRotatef(angle, 0.0f, 1.0f, 0.0f);
glScalef(r, r, r);
glBegin(GL_QUADS);
glColor3f(1.0f, 0.0f, 0.0f);
glVertex3f(-0.5f, -0.5f, 0.5f);
glVertex3f(0.5f, -0.5f, 0.5f);
glVertex3f(0.5f, 0.5f, 0.5f);
glVertex3f(-0.5f, 0.5f, 0.5f);
glColor3f(0.5f, 1.0f, 0.5f);
glVertex3f(-0.5f, -0.5f, -0.5f);
glVertex3f(-0.5f, -0.5f, 0.5f);
glVertex3f(-0.5f, 0.5f, 0.5f);
glVertex3f(-0.5f, 0.5f, -0.5f);
glColor3f(0.0f, 0.0f, 1.0f);
glVertex3f(0.5f, -0.5f, -0.5f);
glVertex3f(-0.5f, -0.5f, -0.5f);
glVertex3f(-0.5f, 0.5f, -0.5f);
glVertex3f(0.5f, 0.5f, -0.5f);
glColor3f(1.0f, 1.0f, 0.0f);
glVertex3f(-0.5f, 0.5f, 0.5f);
glVertex3f(0.5f, 0.5f, 0.5f);
glVertex3f(0.5f, 0.5f, -0.5f);
glVertex3f(-0.5f, 0.5f, -0.5f);
glColor3f(1.0f, 0.0f, 1.0f);
glVertex3f(-0.5f, -0.5f, -0.5f);
glVertex3f(0.5f, -0.5f, -0.5f);
glVertex3f(0.5f, -0.5f, 0.5f);
glVertex3f(-0.5f, -0.5f, 0.5f);
glColor3f(0.0f, 1.0f, 0.0f);
glVertex3f(0.5f, -0.5f, 0.5f);
glVertex3f(0.5f, -0.5f, -0.5f);
glVertex3f(0.5f, 0.5f, -0.5f);
glVertex3f(0.5f, 0.5f, 0.5f);
glEnd();
glPopMatrix();
glutSwapBuffers();
}
void timer(int value)
{
glutPostRedisplay();
glutTimerFunc(15, timer, 0);
if (Z >= 0) {
vX = v0 * cos(alfa * (3.14 / 180)) * cos(fi * (3.14 / 180));
vY = v0 * cos(alfa * (3.14 / 180)) * sin(fi * (3.14 / 180));
vZ = v0 * sin(alfa * (3.14 / 180))- g * t;
Z = z + (v0 * sin(alfa * (3.14 / 180))) * t - 1 / 2.0 * g * t * t;
X = t * vX;
Y = t * vY;
}
t += dt;
}
void obsluhaReshape(int width, int height) {
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (width == 0) width++;
const float aspect_ratio = (float)(width) / (height);
gluPerspective(100, aspect_ratio, 0, zmax + 10);
}
int main(int argc, char** argv)
{
z = atof(argv[1]);
v0 = atof(argv[2]);
alfa = atof(argv[3]);
fi = atof(argv[4]);
r = atof(argv[5]);
omega = atof(argv[6]);
tD = (v0 * sin(alfa * (3.14 / 180)) + sqrt(pow(v0 * sin(alfa * (3.14 / 180)), 2) + 2 * g * z)) / g;
vX = v0 * cos(alfa * (3.14 / 180)) * cos(fi * (3.14 / 180));
vY = v0 * cos(alfa * (3.14 / 180)) * sin(fi * (3.14 / 180));
zmax = z + (v0* v0* sin(alfa * (3.141592 / 180))* sin(alfa * (3.141592 / 180))) / (2 * g);
xmax = tD*vX;
ymax = tD * vY;
printf("tD = %.2fs\nxmax = %.2fm\nymax = %.2fm\nzmax = %.2fm\n", tD, xmax, zmax, ymax);
glEnable(GL_CULL_FACE);
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
glutInitWindowSize(640, 640);
glutCreateWindow("DU6");
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glutDisplayFunc(display);
glutTimerFunc(0, timer, 0);
glutReshapeFunc(obsluhaReshape);
glutMainLoop();
return 0;
}
Есть код который моделирует бросок куба. Куб при этом плохо отображается (Салатовая и желтая сторона прозрачная). В чем тут может быть проблема?
Средний
