opengl.cpp

#include "windows.h"
#include "gl\gl.h"
#include "gl\glaux.h"
#include "math.h"

GLUquadricObj *obj;

float camx=0,camy=400,camz=400;
float alpha=0;

void DrawClaw(void)
{
	glPushMatrix();
		glTranslatef(0.0f,0.3f,28.5f);
		glRotatef(30.0f, 1.0, 0.0, 0.0);
		gluCylinder(obj, 2.0, 2.0, 5.0, 20, 3);
		glTranslatef(0.0f,0.0f,5.0f);
		gluCylinder(obj, 2.0, 0.0, 2.0, 20, 3);
	glPopMatrix();	
}

void CALLBACK RenderScene(void)
{
	gluQuadricDrawStyle(obj, GLU_FILL);
	gluQuadricOrientation(obj, GLU_OUTSIDE);
	gluQuadricNormals(obj, GLU_FLAT);
	glClearColor(0.7f,0.7f,1.0f,1.0f);
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);	
	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();
	gluPerspective(45.0, 1, 10.0, 1000.0);
	glEnable(GL_LIGHTING);
	GLfloat ambientLight[] = {0.4f, 0.4f, 0.4f, 1.0f};
	GLfloat diffuseLight[] = {0.8f, 0.8f, 0.8f, 1.0f};
	glLightfv(GL_LIGHT0,GL_AMBIENT,ambientLight);
	glLightfv(GL_LIGHT0,GL_DIFFUSE,diffuseLight);
	GLfloat light0pos[] = { -200.0f, 200.0f, 200.0f, 1.0f };
	glLightfv(GL_LIGHT0,GL_POSITION,light0pos);
	glEnable(GL_LIGHT0);
	GLfloat wood[] = {0.39f,0.285f,0.192f,1.0f};
	//glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambientLight);
	glEnable(GL_COLOR_MATERIAL);
	glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
	glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE,wood);

	glEnable(GL_DEPTH_TEST);
	//glEnable(GL_TEXTURE_2D);
	//glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL) ;
	//glMatrixMode(GL_MODELVIEW);

	glColor3f(0.39f,0.285f,0.192f);
	gluLookAt(camx,camy,camz,0,0,0,0,1,0);
	//gluLookAt(300,300,0,0,0,0,0,1,0);
	
	gluQuadricNormals(obj, GLU_FLAT);
	glPushMatrix();
		glTranslatef(-60.0f,-50.0f,50.0f);
		glRotatef(90.0f, 0.0, 1.0, 0.0);
		//glRectf(-10.0f,-10.0f,10.0f,10.0f);
        for(int i=0;i<=10;++i)
		{
			glTranslatef(0.0f, 10.0f, 0.0f);
			gluCylinder(obj, 5.0, 5.0, 120.0, 20, 30);
			gluCylinder(obj, 5.0, 0.0, 0.0, 20, 2);
			glTranslatef(0.0f, 0.0f, 120.0f);
			gluCylinder(obj, 5.0, 0.0, 0.0, 20, 2);
			glTranslatef(0.0f, 0.0f, -120.0f);
		}		
	glPopMatrix();
	glPushMatrix();
		glTranslatef(-50.0f,-45.0f,60.0f);
		glRotatef(180.0f, 0.0, 1.0, 0.0);
		//glRectf(-10.0f,-10.0f,10.0f,10.0f);
        for(int i=0;i<10;++i)
		{
			glTranslatef(0.0f, 10.0f, 0.0f);
			gluCylinder(obj, 5.0, 5.0, 120.0, 20, 30);
			gluCylinder(obj, 5.0, 0.0, 0.0, 20, 2);
			glTranslatef(0.0f, 0.0f, 120.0f);
			gluCylinder(obj, 5.0, 0.0, 0.0, 20, 2);
			glTranslatef(0.0f, 0.0f, -120.0f);
		}		
	glPopMatrix();	
	glPushMatrix();
		glTranslatef(-60.0f,-50.0f,-50.0f);
		glRotatef(90.0f, 0.0, 1.0, 0.0);
		//glRectf(-10.0f,-10.0f,10.0f,10.0f);
        for(int i=0;i<=10;++i)
		{
			glTranslatef(0.0f, 10.0f, 0.0f);
			gluCylinder(obj, 5.0, 5.0, 120.0, 20, 30);
			gluCylinder(obj, 5.0, 0.0, 0.0, 20, 2);
			glTranslatef(0.0f, 0.0f, 120.0f);
			gluCylinder(obj, 5.0, 0.0, 0.0, 20, 2);
			glTranslatef(0.0f, 0.0f, -120.0f);
		}		
	glPopMatrix();
	glPushMatrix();
		glTranslatef(50.0f,-45.0f,60.0f);
		glRotatef(180.0f, 0.0, 1.0, 0.0);
		//glRectf(-10.0f,-10.0f,10.0f,10.0f);
        for(int i=0;i<10;++i)
		{
			glTranslatef(0.0f, 10.0f, 0.0f);
			gluCylinder(obj, 5.0, 5.0, 120.0, 20, 30);
			gluCylinder(obj, 5.0, 0.0, 0.0, 20, 2);
			glTranslatef(0.0f, 0.0f, 120.0f);
			gluCylinder(obj, 5.0, 0.0, 0.0, 20, 2);
			glTranslatef(0.0f, 0.0f, -120.0f);
		}		
	glPopMatrix();
	glBegin(GL_TRIANGLES);
		glVertex3f(-60.0f,65.0f,50.0f);
		glVertex3f(60.0f,65.0f,50.0f);
		glVertex3f(0.0f,125.0f,50.0f);
	glEnd();
	glBegin(GL_TRIANGLES);
		glVertex3f(-60.0f,65.0f,-50.0f);
		glVertex3f(60.0f,65.0f,-50.0f);
		glVertex3f(0.0f,125.0f,-50.0f);
	glEnd();
	glBegin(GL_QUADS);
		glVertex3f(60.0f,65.0f,-50.0f);
		glVertex3f(0.0f,125.0f,-50.0f);
		glVertex3f(0.0f,125.0f,50.0f);
		glVertex3f(60.0f,65.0f,50.0f);
	glEnd();
	glBegin(GL_QUADS);
		glVertex3f(-60.0f,65.0f,50.0f);
		glVertex3f(0.0f,125.0f,50.0f);
		glVertex3f(0.0f,125.0f,-50.0f);
		glVertex3f(-60.0f,65.0f,-50.0f);
	glEnd();
	glBegin(GL_QUADS);
		glVertex3f(50.0f,-40.0f,50.0f);
		glVertex3f(50.0f,-40.0f,-50.0f);
		glVertex3f(-50.0f,-40.0f,-50.0f);
		glVertex3f(-50.0f,-40.0f,50.0f);
	glEnd();
	glColor3f(0.79f,0.644f,0.45f);
	glPushMatrix();
		glTranslatef(35.0f, 90.0f, 50.0f);
		glRotatef(90.0f, 0.0, 1.0, 0.0);
		glRotatef(135.0f, 1.0, 0.0, 0.0);
        for(int i=0;i<10;++i)
		{
			auxSolidBox(10,120,2);
			glTranslatef(11.25f, 0.0f, 0.0f);
		}
	glPopMatrix();
	glPushMatrix();
		glTranslatef(-35.0f, 90.0f, 50.0f);
		glRotatef(90.0f, 0.0, 1.0, 0.0);
		glRotatef(45.0f, 1.0, 0.0, 0.0);
        for(int i=0;i<10;++i)
		{
			auxSolidBox(10,120,2);
			glTranslatef(11.25f, 0.0f, 0.0f);
		}
	glPopMatrix();
	// окно
	glPushMatrix();
		glTranslatef(0.0f,90.0f,55.0f);
		glRotatef(180.0f, 0.0, 1.0, 0.0);
		gluCylinder(obj, 10.0, 10.0, 110.0, 20, 3);
		gluCylinder(obj, 8.0, 8.0, 110.0, 20, 3);
		gluDisk(obj,8.0,10.0,20,2);
		glTranslatef(0.0f,0.0f,55.0f);
		auxSolidBox(2,19.5,110);
		auxSolidBox(19.5,2,110);
		glTranslatef(0.0f,0.0f,55.0f);
		gluDisk(obj,8.0,10.0,20,2);
		glTranslatef(0.0f,0.0f,-108.0f);
		glColor3f(0.242f,0.18f,0.09f);
		gluDisk(obj,0.0,9.5,20,1);
		glTranslatef(0.0f,0.0f,106.0f);
		gluDisk(obj,0.0,9.5,20,1);
	glPopMatrix();
	//лапы
	glColor3f(0.79f,0.79f,0.0f);
	glPushMatrix();
		glTranslatef(-25.0f,-40.0f,0.0f);
		glRotatef(90.0f, 1.0, 0.0, 0.0);
		gluCylinder(obj, 2.0, 2.0, 30.0, 20, 10);
		glTranslatef(50.0f,0.0f,0.0f);
		gluCylinder(obj, 2.0, 2.0, 30.0, 20, 10);
		glRotatef(-90.0f, 1.0, 0.0, 0.0);
		glTranslatef(0.0f,-29.0f,0.0f);
		// lapa 2
		gluCylinder(obj, 2.0, 2.0, 30.0, 20, 10);
		gluSphere(obj,3,10,10);
		DrawClaw();
		glPushMatrix();
			glRotatef(-30.0f, 0.0, 1.0, 0.0);
			gluCylinder(obj, 2.0, 2.0, 30.0, 20, 10);
			DrawClaw();
			glRotatef(60.0f, 0.0, 1.0, 0.0);
			gluCylinder(obj, 2.0, 2.0, 30.0, 20, 10);
			DrawClaw();
		glPopMatrix();
		//lapa1
		glTranslatef(-50.0f,0.0f,0.0f);
		gluCylinder(obj, 2.0, 2.0, 30.0, 20, 10);
		gluSphere(obj,3,10,10);
		DrawClaw();
		glPushMatrix();
			glRotatef(-30.0f, 0.0, 1.0, 0.0);
			gluCylinder(obj, 2.0, 2.0, 30.0, 20, 10);
			DrawClaw();
			glRotatef(60.0f, 0.0, 1.0, 0.0);
			gluCylinder(obj, 2.0, 2.0, 30.0, 20, 10);
			DrawClaw();
		glPopMatrix();
	glPopMatrix();	
	
	glFlush();
	auxSwapBuffers();
}

void CALLBACK IdleFunction(void)
{
	alpha+=0.01;
	if (alpha>2*3.14159265) alpha=0;
    camz = 400 * cosf(alpha);
	camx = 400 * sinf(alpha);
	camy = 200 * cosf(2*alpha) + 62.5;
	//Sleep(100);

	RenderScene();	
}

int WINAPI WinMain(HINSTANCE hInstance,
                   HINSTANCE hPrevInstance,
                   LPTSTR    lpCmdLine,
                   int       nCmdShow)
{
	obj = gluNewQuadric();
	auxInitDisplayMode(AUX_DOUBLE | AUX_RGBA);
	auxInitPosition(100,100,500,500);
	auxInitWindow("OpenGL lab");

	auxIdleFunc(IdleFunction);

	auxMainLoop(RenderScene);
}