steamtrain/train.cc at master · wuqingjun/steamtrain · GitHub

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#define GL_GLEXT_PROTOTYPES
#ifdef __APPLE__
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif

#include "cylinder.h"
#include "color.h"
#include "train.h"
#include "cube.h"
#include "pie.h"
#include "cover.h"
#include "wheel.h"
#include "pile.h"
#include "beam.h"
#include "smoke.h"

double angle = 0;
extern float black[4];
extern int ntexMetal;
extern int daytime;
extern float white[4];
extern Particle smokeparticles[2][1600];

//
// draw the cylinder.
//
void train(double x, double y, double z, double scaleX, double scaleY, double scaleZ, int lightnum, int smokeindex)
{
    int iTimeElapsed = glutGet(GLUT_ELAPSED_TIME);
    float fRevolveScale2 = 0.1f;
    angle = iTimeElapsed * fRevolveScale2;
	double moveDistX = -0.8 * angle / 360;

    glPushMatrix();
	glMaterialfv(GL_FRONT_AND_BACK,GL_EMISSION, black);
    Color colorBlack(0, 0, 0, 1);
	glColor3f(colorBlack.r, colorBlack.g, colorBlack.b);
    glTranslated(x, y, z);
	glScaled(scaleX, scaleY, scaleZ);
	glTranslated(moveDistX, 0, 0);
	if(!daytime)
	{
		beam(1, 0, 0, 45, -1, 0, 0, lightnum);
	}
	else
	{
		glDisable(lightnum);
	}

	glPushMatrix();
	glRotatef(-90, 0, 0, 1);
	cylinder(0.3333, 1.2, Color(0.02, 0.02, 0.02, 1));
	glTranslated(0, -0.1, 0);
	pie(0.3333 - 0.1 * Tan(60), Color(1,1,1,1));
	glRotated(180, 0, 0, 1);
	cover(0.3333 - 0.1 * Tan(60), 60, 0.1, Color(0.02, 0.02, 0.02, 1));
	glRotated(180, 0, 0, 1);
	glTranslated(0, 0.1, 0);
	glRotated(180, 0, 0, 1);
	glTranslated(0, -1.2, 0);
	cover(0.3333, 60, 0.1, Color(0.02, 0.02, 0.02, 1));
	glTranslated(0, -0.4, 0);
	cylinder(0.3333 + Tan(60) * 0.1, 0.3, Color(0.02, 0.02, 0.02, 1));
	glTranslated(0.1, -0.3, 0);
	cube(0.3333 + Tan(60) * 0.2, 0.6, 0.3333 + Tan(60) * 0.1, Color(0.02, 0.02, 0.02, 1), 0X3F, 1, ntexMetal);
	glTranslated(0.37, -0.6, 0);
	glRotated(60, 0,1, 0);
	pile(0.6, 1.2, 120, Color(1,0,0,1));

	glPopMatrix();

	glPushMatrix();
	glTranslated(0.2333, 0.3, 0);
	cylinder(0.1333, 0.2, colorBlack);
	glTranslated(0, 0.15, 0);
	glRotated(180, 0, 0, 1);
	cover(0.1333, 30, 0.44, colorBlack);
	glRotated(180, 0, 0, 1);
	glTranslated(0, 0.44, 0);
	cylinder(0.1333 + 0.44 * Tan(30), 0.1, colorBlack);
	glTranslated(0, 0.15, 0);
	cover(0.1333 + 0.44 * Tan(30) - 0.05 * Tan(60), 60, 0.05, colorBlack);
	glPopMatrix();

	glPushMatrix();
	glTranslated(0.4, -0.3, 0);
	cube(0.4, 0.1, 0.2, colorBlack, 0X3F, 1, ntexMetal);
	glPopMatrix();

	glPushMatrix();
	glRotated(-90, 0, 0, 1);
	glTranslated(0, 0, 0);
	pie(0.3333, colorBlack);
	glTranslated(0, 0.6667, 0);
	pie(0.3333, Color(0, 0, 0, 1));
	glPopMatrix();
	glPushMatrix();
	glTranslated(0.6, -0.4, 0);
	cube(0.65, 0.1, 0.6, colorBlack, 0X3F, 1, ntexMetal);
	glRotated(90, 1, 0, 0);

	glTranslated(-0.2, -0.6, 0.1);
	threewheels(0.20, 0.25, 0.35, 0.1, 0.05, 0.8, colorBlack, 1);
	glRotated(180, 1, 0, 0);
	glTranslated(0, -1.2, 0);
	threewheels(0.20, 0.25, 0.35, 0.1, 0.05, 0.8, colorBlack, -1);

    glPopMatrix();
    glPopMatrix();
//	glTranslated(x + scaleX * moveDistX, 10, 0);
//	drawsmoke(smokeparticles[smokeindex], 1600, 1);
}