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Index: trunk/examples/nucleusAnimation.cpp
===================================================================
--- trunk/examples/nucleusAnimation.cpp (revision 155)
+++ trunk/examples/nucleusAnimation.cpp (revision 156)
@@ -1,273 +1,304 @@
//==============================================================================
// nucleusAnimation.cpp
//
// Copyright (C) 2010-2013 Tobias Toll and Thomas Ullrich
//
// This file is part of Sartre version: 1.1
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation.
// This program is distributed in the hope that it will be useful,
// but without any warranty; without even the implied warranty of
// merchantability or fitness for a particular purpose. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// Author: Tobias Toll
// Last update:
// $Date$
// $Author$
//==============================================================================
#include <iostream>
#include <cmath>
#include <vector>
#include "TVector3.h"
#include <algorithm>
+#include <unistd.h>
+#include <cstdlib>
#include "Nucleus.h"
#include "TableGeneratorNucleus.h"
#if defined(__APPLE__)
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif
#define PR(x) cout << #x << " = " << (x) << endl;
using namespace std;
// actual vector representing the camera's direction
float lx=0.0f,lz=-1.0f;
// XZ position of the camera
float x=0.0f, y=40.0f, z=5.0f;
// the key states. These variables will be zero
// when no key is being presses
float deltalr=0.0f, deltaud=0.0f;
bool newNucleus=0;
float deltazoom=0.0f;
TableGeneratorNucleus* myNucleus;// = new TableGeneratorNucleus;
void changeSize(int w, int h) {
// Prevent a divide by zero, when window is too short
// (you cant make a window of zero width).
if (h == 0)
h = 1;
float ratio = w * 1.0 / h;
// Use the Projection Matrix
glMatrixMode(GL_PROJECTION);
// Reset Matrix
glLoadIdentity();
// Set the viewport to be the entire window
glViewport(0, 0, w, h);
// Set the correct perspective.
gluPerspective(45.0f, ratio, 0.1f, 100.0f);
// Get Back to the Modelview
glMatrixMode(GL_MODELVIEW);
}
void drawNucleon() {
// glColor3f(1.0f, .0f, .0f);
glTranslatef(0.0f ,0.75f, 0.0f);
glutSolidSphere(0.7f,20,20);
}
void computeDir(){
double sud=sin(deltaud), cud=cos(deltaud),
slr=sin(deltalr), clr=cos(deltalr);
double zoom=1.+deltazoom;
// theta=lr, phi=ud, psi=0;
x= (clr*x + sud*slr*y + cud*slr*z)*zoom;
y= ( cud*y + (-sud)*z)*zoom;
z=(-slr*x + sud*clr*y + cud*clr*z)*zoom;
}
// Position the light at the origin.
const GLfloat light_pos[] = { 0.0, 50.0, 0.0, 1.0 };
// Attenuation factors for light.
GLfloat const_att = 1.0;
void renderScene(void) {
if (deltalr or deltaud or deltazoom)
computeDir();
if( newNucleus )
while(!myNucleus->generate()){};
// Clear Color and Depth Buffers
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Reset transformations
glLoadIdentity();
// Set the camera
gluLookAt(x, y, z, // camera position
0., 0., 0., //camera focus
0.0f, 1., 0.0f); //Vector pointing up
for(unsigned int i=0; i<myNucleus->configuration.size(); i++){
TVector3 pos=myNucleus->configuration.at(i).position();
glPushMatrix();
glLightf(GL_LIGHT0, GL_CONSTANT_ATTENUATION, const_att);
glLightfv(GL_LIGHT0, GL_POSITION, light_pos);
glTranslatef(pos.X(),pos.Y(),pos.Z());
drawNucleon();
glPopMatrix();
}
glutSwapBuffers();
}
void idle(void){
glutPostRedisplay();
}
void pressKey(int key, int xx, int yy) {
xx=yy;
switch (key) {
case GLUT_KEY_LEFT : deltalr = -0.01; break;
case GLUT_KEY_RIGHT : deltalr = 0.01; break;
case GLUT_KEY_UP : deltaud = 0.01; break;
case GLUT_KEY_DOWN : deltaud = -0.01; break;
case 27 :
case 81 :
case 113: exit(0); break;
case 110:
case 78: newNucleus=true; break;
case 122:
case 90: deltazoom = 0.01; break;
case 65:
case 97: deltazoom = -0.01; break;
}
}
void releaseKey(int key, int x, int y) {
x=y;
switch (key) {
case GLUT_KEY_LEFT :
case GLUT_KEY_RIGHT : deltalr = 0.0; break;
case GLUT_KEY_UP :
case GLUT_KEY_DOWN : deltaud = 0; break;
case 110:
case 78: newNucleus=false; break;
case 122:
case 90:
case 65:
case 97: deltazoom = 0; break;
}
}
void exitFunction(){
delete myNucleus;
}
+void usage(const char* prog)
+{
+ cout << "Usage: " << prog << "[-w] A" << endl;
+ cout << " Valid A are: 208, 197, 110, 63, 40, 27, 16, 1" << endl;
+ cout << " -w White instead of black background" << endl;
+}
+
int main(int argc, char **argv) {
atexit(exitFunction);
- if (argc != 2) {
- cout << "Usage: " << argv[0] << " A" << endl;
- cout << " Valid A are: 208, 197, 110, 63, 40, 27, 16, 1" <<endl;
+
+ if (argc < 2) {
+ usage(argv[0]);
+ return 2;
+ }
+
+ bool hasWhiteBackground = false;
+
+ int ch;
+ while ((ch = getopt(argc, argv, "w")) != -1) {
+ switch (ch) {
+ case 'w':
+ hasWhiteBackground = true;
+ break;
+ default:
+ usage(argv[0]);
+ return 2;
+ break;
+ }
+ }
+
+ if (optind == argc) {
+ usage(argv[0]);
return 2;
}
- string str(argv[1]);
+
+ string str(argv[optind]);
for (unsigned int i=0; i<str.length(); i++) {
if(!isdigit(str[i])) {
cout << "Error, argument must be a digit." << endl;
return 2;
}
}
- unsigned int A = atoi(argv[1]);
+
+ unsigned int A = atoi(argv[optind]);
myNucleus = new TableGeneratorNucleus(A);
while(!myNucleus->generate()){};
cout<<"List of Commands:"<<endl;
cout<<"\trotate view: left/right up/down arrow keys"<<endl;
cout<<"\tzoom in/out: a/z"<<endl;
cout<<"\tregenerate nucleus: n"<<endl;
cout<<"\tquit: q/esc"<<endl;
// init GLUT and create window
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGBA);
glutInitWindowPosition(100,100);
glutInitWindowSize(320,320);
glutCreateWindow("Sartre Nucleus");
glClearColor(.0f, .0f, .0f, 0.0f);
//define colours:
//light
const GLfloat white[]= { 1.0, 1.0, 1.0, 1.0 };
const GLfloat magenta[]= { 1.0, 0.0, 1.0, 1.0 };
const GLfloat gold[] = { 1.0, 1.0, 0.0, 1.0 };
const GLfloat red[] = { 1.0, 0.0, 0.0, 1.0 };
const GLfloat green[] = { 0.0, 1.0, 0.0, 1.0 };
const GLfloat blue[] = { 0.0, 0.0, 1.0, 1.0 };
// const GLfloat color[];
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
switch(A){
case 208:
case 16:
glLightfv(GL_LIGHT0, GL_DIFFUSE, blue);
glLightfv(GL_LIGHT0, GL_SPECULAR, blue);
break;
case 197:
glLightfv(GL_LIGHT0, GL_DIFFUSE, gold);
glLightfv(GL_LIGHT0, GL_SPECULAR, gold);
break;
case 63:
glLightfv(GL_LIGHT0, GL_DIFFUSE, red);
glLightfv(GL_LIGHT0, GL_SPECULAR, red);
break;
case 27:
case 40:
glLightfv(GL_LIGHT0, GL_DIFFUSE, white);
glLightfv(GL_LIGHT0, GL_SPECULAR, white);
break;
case 110:
glLightfv(GL_LIGHT0, GL_DIFFUSE, magenta);
glLightfv(GL_LIGHT0, GL_SPECULAR, magenta);
break;
case 1:
glLightfv(GL_LIGHT0, GL_DIFFUSE, green);
glLightfv(GL_LIGHT0, GL_SPECULAR, green);
break;
}
- // uncomment to make background white
- // glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
+ if (hasWhiteBackground)
+ glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
// register callbacks
glutDisplayFunc(renderScene);
glutReshapeFunc(changeSize);
glutIdleFunc(idle);
glutSpecialFunc(pressKey);
// here are the new entries
glutIgnoreKeyRepeat(1);
glutSpecialUpFunc(releaseKey);
// OpenGL init
glEnable(GL_DEPTH_TEST);
// enter GLUT event processing cycle
glutMainLoop();
return 0;
}

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